History of Services 150 - 159: Difference between revisions

Latest revision as of 23:53, 10 August 2025

Service 150

1^st Generation (1971 - 1990)

Operator	Route	Year	Date	Service changes
United Bus Company	Lor 1 Toa Payoh ↔ Crawford St	1971	11 April	Introduced between Lor 1 Toa Payoh Ter and Crawford St Ter under 1971 Bus Reorganisation.
United Bus Company	Toa Payoh ↔ Crawford St	1971	2 August	Amended to Toa Payoh Town Ctr Ter.
		1978	5 March	Amended to ply Keng Lee Rd with the partial conversion of Kg Java Rd to one-way traffic.
		1978	3 December	Amended to ply Mayne Rd and Bt Timah Rd with the partial conversion of Mackenzie Rd to two-way traffic.
		1979	28 October	Amended to ply Sungei Rd (towards Crawford St Ter) and Weld Rd, Jln Besar and Bt Timah Rd (towards Toa Payoh Town Ctr Ter) with the partial conversion of Bt Timah Rd to two-way traffic and Rochor Canal Rd to one-way traffic, skipping Mackenzie Rd and Mayne Rd.
		1980	3 February	Integrated with Service 149 and amended to ply Jln Sultan, Beach Rd, Middle Rd and Selegie Rd towards Toa Payoh Town Ctr Ter, skipping Arab St, Rochor Canal Rd, Weld Rd, Jln Besar and Rochor Canal Rd.
		1983	26 December	Amended to Toa Payoh Int.
		1990	2 September	Integrated with Service 56 and discontinued.

2^nd Generation (since 2016)

Operator	Route	Year	Date	Service changes
(Current)	Eunos ↺ Marine Terrace	2016	20 March	Introduced between Eunos Int and Marine Terr (Loop) under the LTA's Bus Service Enhancement Programme (BSEP), operating between 0600 hrs and 2330 hrs daily. Wheelchair-accessible bus service (WAB) at launch. ^[1]

Service 151

1^st Generation (1971 - 1989)

Operator	Route	Year	Date	Service changes
United Bus Company	Kim Keat Ave ↔ South Canal	1971	11 April	Introduced between Kim Keat Ave Ter and Sth Canal Ter under 1971 Bus Reorganisation.
	Toa Payoh ↔ South Canal	1971	2 August	Amended to Toa Payoh Town Ctr Ter.
		1972	11 June	Amended to ply Upp Cross St with the partial conversion of Havelock Rd to one-way traffic, skipping Upp Hokien St.
		1973	1 July	Operations transferred to Singapore Bus Services.
	Toa Payoh ↔ Outram Pk	1974	3 February	Integrated with Service 159 and extended to Outram Pk Ter under 1974 Bus Rationalisation.
	Toa Payoh ↔ Outram Pk	1975	2 February	Amended to ply Tiong Bahru Rd and the extended Zion Rd towards Toa Payoh Town Ctr Ter with the partial conversion of Kim Seng Rd and Outram Rd to one-way traffic.
	Toa Payoh ↺ New Bridge Rd	1976	1 January	Extended to loop at New Bridge Rd from Toa Payoh Town Ctr Ter.
		1983	26 December	Amended to Toa Payoh Int and converted to day service on weekdays & Saturdays.
		1986	16 November	Serves new staggered bus stop outside Thong Teck Bldg along Scotts Rd, skipping the bus stop outside Metro Orchard.
		1987	6 April	Skips removed bus stop before College Rd along Outram Rd.
		1987	1 November	Amended to ply Eu Tong Sen St towards Toa Payoh Int to facilitate the second stage of road expansion along New Bridge Rd.
		1989	28 May	Discontinued.

2^nd Generation (since 1993)

Operator	Route	Year	Date	Service changes
(Current) Known as prior to 1 November 2001	Hougang ↔ Kent Ridge	1993	4 April	Introduced between Hougang Int and Kent Ridge Ter under TransitLink Network Integration Exercise Phase 12.
		1994	23 January	Amended to ply Hougang Ave 3, skipping Defu Ave 1.
			TBC	First bus from Hougang Int revised to 0600 hrs on weekdays and Saturdays. Last bus from Hougang Int revised to 2300 hrs daily.
			TBC	First bus from Kent Ridge Ter revised to 0630 hrs daily. Last bus from Kent Ridge Ter revised to 2300 hrs on weekdays and Saturdays.
			11 September	Amended to ply Kent Ridge Cres.
	Hougang South ↔ Kent Ridge		17 December	Hougang Int renamed to Hougang Sth Int.
		1996	TBC	Last bus from Kent Ridge Ter brought forward to 2300 hrs on Sundays and Public Holidays.
		1999	TBC	First bus from Kent Ridge Ter brought forward to 0615 hrs on weekdays.
	151Hougang South ↔ Kent Ridge 151AKent Ridge → Dunearn Rd	2000	TBC	151AIntroduced from Kent Ridge Ter to Dunearn Rd (Aft Kheam Hock Rd) during evening peak hours on weekdays.
	151Hougang Ctrl ↔ Kent Ridge 151AKent Ridge → Dunearn Rd	2004	15 February	151Extended to Hougang Ctrl Int with the closure of Hougang Sth Int.
		2007	TBC	Skips removed bus stop before Paya Lebar Rd along Airport Rd to facilitate the construction of KPE.
		2010	2 December	Designated wheelchair-accessible bus service (WAB).
		2011	4 September	Amended to skip Bendemeer Rd, Whampoa Nth and Serangoon Rd towards Kent Ridge Ter with the permanent closure of Whampoa Nth.
		2011	4 September	Serves new bus stop outside Botanic Gdns Stn along Bt Timah Rd.
	Hougang Ctrl ↔ Kent Ridge	2012	23 July	151ADiscontinued.

Service 152

Operator	Route	Year	Date	Service changes
Associated Bus Services	Lor 1 Toa Payoh ↔ Telok Kurau Rd	1971	11 April	Introduced between Lor 1 Toa Payoh Ter and Telok Kurau Rd Ter under 1971 Bus Reorganisation.
Associated Bus Services	Toa Payoh ↔ Telok Kurau Rd	1971	2 August	Amended to Toa Payoh Town Ctr Ter.
	Toa Payoh ↔ Chai Chee	1973	1 July	Operations transferred to Singapore Bus Services.
		1973	1 July	Extended to Chai Chee Ter.
		1976	30 December	Amended to ply Sims Ave/Geylang Rd and the extended Tg Katong Rd, skipping Guillemard Rd.
	Toa Payoh ↔ Bedok South Rd	1977	15 August	Extended to Bedok Sth Rd Ter and amended to ply Sims Ave/Geylang Rd and Changi Rd, skipping Tg Katong Rd, Mountbatten Rd, East Coast Rd and Telok Kurau Rd.
	Toa Payoh ↔ Bedok	1979	8 April	Amended to Bedok Int.
		1979	14 October	Amended to ply Sims Ave East towards Bedok Int with the conversion of Changi Rd to one-way traffic.
		1983	26 December	Amended to Toa Payoh Int.
		1998	31 May	Amended to Toa Payoh Temp Int.
		1998	31 May	Serves new pair of bus stops outside and opposite Toa Payoh Swim Cplx along Lor 6 Toa Payoh.
		2000	29 October	Integrated with Service 28 and discontinued.

Service 153

Operator	Route	Year	Date	Service changes
United Bus Company	Lor 1 Toa Payoh ↔ Henderson Rd	1971	11 April	Introduced between Lor 1 Toa Payoh Ter and Jln Bt Merah Ter under 1971 Bus Reorganisation.
United Bus Company	Toa Payoh ↔ Henderson Rd	1971	2 August	Amended to Toa Payoh Town Ctr Ter.
(Current) Known as prior to 1 November 2001	Toa Payoh ↔ Henderson Rd	1973	1 July	Operations transferred to Singapore Bus Services.
	Toa Payoh ↔ Bukit Merah	1979	23 December	Amended to Bt Merah Ctrl Ter.
	Toa Payoh ↔ Bukit Merah	1980	28 September	Amended to Bt Merah Int.
	Upp Serangoon ↔ Bukit Merah	1983	26 December	Integrated with Service 156 and extended to Upp Serangoon Ter.
	Upp Serangoon ↔ Bukit Merah	1992	29 March	Amended to ply Bt Merah Ctrl.
	Bukit Merah ↔ Hougang Ctrl	1994	18 December	Amended to Hougang Ctrl Int.
		1998	24 May	Amended to Hougang Ctrl Temp Int.
		2001	20 May	Amended back to Hougang Ctrl Int.
		2002	TBC	Serves new pair of bus stops after Sommerville Rd and after Sunshine Lodge along Upp Serangoon Rd.
	153Bukit Merah ↔ Hougang Ctrl 153AHougang Ctrl Int → Lor 2 Toa Payoh	2002	TBC	153AIntroduced from Hougang Ctrl Int to Lor 2 Toa Payoh (Toa Payoh Stn) during morning peak hours on weekdays.
		2004	TBC	Skips removed bus stop outside Nanyang Pr Sch along Farrer Rd.
	Bukit Merah ↔ Hougang Ctrl	2006	TBC	153ADiscontinued.
		2011	4 September	Serves new bus stop outside Botanic Gdns Stn along Bt Timah Rd.
		2015	28 September	Designated wheelchair-accessible bus service (WAB). ^[2]

Service 153A

Operator	Route	Year	Date	Service changes
United Bus Company	Lor 1 Toa Payoh ↔ Henderson Rd	1971	19 July	Introduced between Lor 1 Toa Payoh Ter and Jln Bt Merah Ter.
United Bus Company	Toa Payoh ↔ Henderson Rd	1971	2 August	Amended to Toa Payoh Town Ctr Ter.
		1973	1 July	Operations transferred to Singapore Bus Services.
		1974	3 February	Integrated with Service 95 and discontinued under 1974 Bus Rationalisation.

Service 154

Operator	Route	Year	Date	Service changes
United Bus Company	MacPherson ↔ Intl Rd	1971	11 April	Introduced between MacPherson Ter and Intl Rd Ter under 1971 Bus Reorganisation.
(Current) Known as prior to 1 November 2001	MacPherson ↔ Intl Rd	1973	1 July	Operations transferred to Singapore Bus Services.
	MacPherson ↔ Jurong	1978	1 June	Amended to Jurong Int and amended to ply MacPherson Rd, Serangoon Rd and Jln Toa Payoh, skipping Upp Aljunied Rd, Upp Serangoon Rd, Braddell Rd, Lor 5 Toa Payoh, Lor 4 Toa Payoh, Toa Payoh Ctrl and Lor 2 Toa Payoh.
		1981	31 October	Amended to ply Clementi Rd, skipping Old Clementi Rd.
		1986	1 June	Skips removed bus stop before Ayer Rajah Rd along Clementi Rd.
		1988	23 October	Amended to ply Commonwealth Ave West and Clementi Ave 6.
	Boon Lay ↔ Eunos	1990	1 July	Extended to Eunos Int and amended to Boon Lay Int.
		1996	TBC	Skips a pair of removed bus stops outside and opposite MOE Water Works along Jln Ahmad Ibrahim.
		1999	TBC	First bus from Boon Lay Int revised to 0530 hrs on weekdays and Saturdays, and 0600 hrs on Sundays and Public Holidays.
	154Boon Lay ↔ Eunos 154ACommonwealth Ave West → Clementi Rd	2001	TBC	154AIntroduced from Commonwealth Ave West (Clementi Stn) to Clementi Rd (Ngee Ann Poly) during morning peak hours on weekdays.
	154Boon Lay ↔ Eunos 154ABoon Lay → Clementi Rd	2001	TBC	154AExtended to start from Boon Lay Int.
		2003	16 March	Amended to ply Eunos Ave 5 and Eunos Rd 8 with the partial closure of Paya Lebar Rd to facilitate the construction of Paya Lebar station on the Circle Line.
		2006	18 June	Amended to Boon Lay Temp Int.
		2008	26 October	Serves new bus stop along Jln Ubi.
		2009	23 August	Amended to ply the reinstated Paya Lebar Rd, skipping Eunos Ave 5 and Eunos Rd 8.
			22 November	Serves new bus stop opposite MacPherson Stn along Circuit Lk.
			27 December	Amended to Boon Lay Integrated Transport Hub.
	Boon Lay ↔ Eunos	2010	TBC	154ADiscontinued.
		2011	26 June	Amended to ply Lor Bengkok with the closure of Circuit Lk to facilitate the construction of MacPherson station on the Downtown Line.
			4 September	Amended to skip Bendemeer Rd, Whampoa Nth and Serangoon Rd towards Boon Lay Int with the permanent closure of Whampoa Nth.
			4 September	Serves new bus stop outside Botanic Gdns Stn along Bt Timah Rd.
			26 September	Designated wheelchair-accessible bus service (WAB).
	154Boon Lay ↔ Eunos 154AYung Ho Rd → Boon Lay Way	2012	19 November	154AIntroduced from Yung Ho Rd (Blk 151) to Boon Lay Way (Lakeside Stn) during morning peak hours on weekdays. Wheelchair-accessible bus service (WAB) at launch.
	154Boon Lay ↔ Eunos 154AYung Ho Rd → Boon Lay Way 154BCommonwealth Ave West → Clementi Rd	2014	6 January	154BIntroduced from Commonwealth Ave West (Clementi Stn) to Clementi Rd (Ngee Ann Poly) during morning peak hours on weekdays. Wheelchair-accessible bus service (WAB) at launch.
		2016	16 October	Amended to ply the reinstated Circuit Lk, skipping Lor Bengkok.
	154Boon Lay ↔ Eunos 154AYung Ho Rd → Boon Lay Way 154BBoon Lay → Clementi Rd	2018	15 October	154BExtended to start from Boon Lay Int.

Service 154A

Operator	Route	Year	Date	Service changes
United Bus Company	New Bridge Rd ↔ Jln Besi	1971	11 April	Introduced between New Bridge Rd Ter and Jln Besi Ter under 1971 Bus Reorganisation.
	Crawford St ↔ Jln Besi		1 September	Extended to Crawford St Ter.
	Crawford St ↔ Benoi Rd		TBC	Extended to Benoi Rd Ter.
		1973	1 July	Operations transferred to Singapore Bus Services.
		1974	3 February	Re-numbered Service 209 under 1974 Bus Rationalisation.

Service 155

Operator	Route	Year	Date	Service changes
Associated Bus Services	Kim Keat Ave ↔ Bedok Rd	1971	11 April	Introduced between Kim Keat Ave Ter and Bedok Rd Ter under 1971 Bus Reorganisation.
Associated Bus Services	Toa Payoh ↔ Bedok Rd	1971	2 August	Amended to Toa Payoh Town Ctr Ter.
(Current) Known as prior to 1 November 2001	Toa Payoh ↔ Bedok Rd	1973	1 July	Operations transferred to Singapore Bus Services.
	Toa Payoh ↔ Chai Chee	1974	3 February	Amended to Chai Chee Ter under 1974 Bus Rationalisation.
	Toa Payoh ↔ Upp Changi Rd 8¼ ms	1974	1 December	Amended to Upp Changi Rd 13.3 km Ter.
		1975	2 March	Amended to ply Sims Ave towards Upp Changi Rd 13.3 km Ter with the conversion of Geylang Rd to one-way traffic.
		1979	TBC	Relocated to Upp Changi Rd 15.5km Ter.
		1979	14 October	Amended to ply Still Rd and Joo Chiat Pl towards Upp Changi Rd 15.5 km Ter with the conversion of Changi Rd to one-way traffic.
	Toa Payoh ↔ Somapah Depot	1980	16 June	Amended to Somapah Depot.
			13 July	Amended to ply Toa Payoh East, Kim Keat Ave, Toa Payoh East, Lor 7 Toa Payoh, Lor 6 Toa Payoh, Toa Payoh East, Lor 5 Toa Payoh and Lor 4 Toa Payoh.
			28 December	Amended to ply Upp Changi Rd East, skipping Upp Changi Rd.
	Toa Payoh ↔ Somapah	1981	28 June	Amended to Somapah Int.
		1983	26 December	Amended to Toa Payoh Int.
		1986	7 December	Serves new bus stop before Bedok Sth Ave 3 along Upp East Coast Rd.
	Toa Payoh ↔ Marine Parade	1989	27 August	Shortened to Marine Parade Ter.
		1992	3 May	Amended to ply Geylang East Ctrl and Paya Lebar Rd under TransitLink Network Integration Exercise Phase 7.
		1993	TBC	Serves bus stop outside Eunos Stn along Sims Ave with the abolition of the bus stop after Eunos Cres.
		1998	31 May	Amended to Toa Payoh Temp Int.
		1998	31 May	Serves new pair of bus stops outside and opposite Toa Payoh Swim Cplx along Lor 6 Toa Payoh.
	155Toa Payoh ↺ Siglap Rd 155AToa Payoh → Siglap Rd	2001	16 September	Amended to loop at Siglap Rd from Toa Payoh Temp Int with the closure of Marine Parade Ter.
		2001	16 September	155AIntroduced from Toa Payoh Int to Siglap Rd (Opp Mandarin Gdns) as terminating trips after the last bus of Service 155 daily.
		2002	19 May	Amended to Toa Payoh Integrated Transport Hub.
		2003	16 March	Amended to ply Eunos Ave 5 and Eunos Rd 8 with the partial closure of Paya Lebar Rd to facilitate the construction of Paya Lebar station on the Circle Line.
		2003	TBC	Serves new bus stop outside Victoria Sch along Marine Parade Rd.
	155Toa Payoh ↺ Siglap Rd 155AToa Payoh ↺ Siglap Rd → Marine Parade Rd	2005	25 April	155AExtended to terminate at Marine Parade Rd (Victoria Sch).
		2009	23 August	Amended to ply the reinstated Paya Lebar Rd, skipping Eunos Ave 5 and Eunos Rd 8.
		2011	26 June	Serves new staggered bus stop outside Kong Hwa Sch along Circuit Rd, skipping the bus stop outside MacPherson Sec Sch.
		2014	29 June	Designated wheelchair-accessible bus service (WAB).
		2016	16 October	Serves the bus stop outside MacPherson Sec Sch along Circuit Rd with the abolition of the bus stop outside Kong Hwa Sch.
		2017	12 March	Amended to ply Upp Serangoon Rd and the diverted Upp Aljunied Rd.
	Toa Payoh ↔ Bedok		9 April	Extended to Bedok Int.
			9 April	155ADiscontinued with the extension of Service 155 to Bedok Int.
		2019	14 April	Serves a new pair of bus stops outside and opposite Blk 3 along Bedok Sth Ave 1.
		2021	12 December	Serves new pair of bus stops before and after Heartbeat @ Bedok along Bedok Nth St 1.

Service 155A

Operator	Route	Year	Date	Service changes
Associated Bus Services	Lor 1 Toa Payoh ↔ Bedok Rd	1971	11 April	Introduced between Lor 1 Toa Payoh Ter and Bedok Rd Ter.
Associated Bus Services	Toa Payoh ↔ Bedok Rd	1971	2 August	Amended to Toa Payoh Town Ctr Ter.
		1973	1 July	Operations transferred to Singapore Bus Services.
		1974	3 February	Re-numbered Service 135 under 1974 Bus Rationalization.

Service 156

1^st Generation (1971 - 1983)

Operator	Route	Year	Date	Service changes
Associated Bus Services	Lor 1 Toa Payoh ↔ Upp Serangoon	1971	11 April	Introduced between Lor 1 Toa Payoh Ter and Upp Serangoon Ter under 1971 Bus Reorganisation.
Associated Bus Services	Toa Payoh ↔ Upp Serangoon	1971	2 August	Amended to Toa Payoh Town Ctr Ter.
		1973	1 July	Operations transferred to Singapore Bus Services.
		1983	6 February	Amended to ply CTE towards Upp Serangoon Ter with the closure of temporary slip road between Braddell Rd and Lor Chuan.
			20 June	Amended back to ply Lor Chuan towards Upp Serangoon Ter with the opening of new link road between Braddell Rd and Lor Chuan under Braddell Flyover.
			26 December	Integrated with Service 153 and discontinued.

2^nd Generation (since 1993)

Operator	Route	Year	Date	Service changes
(Current) Known as prior to 1 November 2001	Serangoon ↔ Clementi	1993	5 December	Introduced between Serangoon Int and Clementi Int under TransitLink Network Integration Exercise Phase 14.
	156Serangoon ↔ Clementi 156ASerangoon → Bishan Rd	2000	TBC	156AIntroduced from Serangoon Int to Bishan Rd (Bishan Stn) during morning peak hours on weekdays.
	Sengkang ↔ Clementi	2001	29 July	Extended to Sengkang Temp Int.
				156ADiscontinued with the extension of Service 156 to Sengkang Temp Int.
				First bus from Clementi Int brought forward to 0530 hrs on weekdays and Saturdays.
		2003	18 January	Amended to Sengkang Integrated Transport Hub.
	156Sengkang ↔ Clementi 156ASengkang → Thomson Rd	2003	TBC	156AIntroduced from Sengkang Int to Thomson Rd (Mt Alvernia Hosp) during morning peak hours on weekdays.
	Sengkang ↔ Clementi	2004	TBC	156ADiscontinued.
	156Sengkang ↔ Clementi 156ABoundary Rd → Bishan Rd	2006	TBC	156AIntroduced from Boundary Rd (Blk 257A) to Bishan Rd (Bishan Stn) during morning peak hours on weekdays.
	156Sengkang ↔ Clementi 156ABoundary Rd → Bishan Rd	2006	29 October	Amended to Clementi Temp Int.
	Sengkang ↔ Clementi	2008	TBC	156ADiscontinued.
	156Sengkang ↔ Clementi 156ASengkang → Thomson Rd	2009	2 January	156AIntroduced from Sengkang Int to Thomson Rd (Opp Old Police Academy) during morning peak hours on weekdays.
		2011	4 September	Serves new bus stop outside Botanic Gdns Stn along Bt Timah Rd.
			26 September	Designated wheelchair-accessible bus service (WAB).
			26 November	Amended to Clementi Integrated Transport Hub.
	Sengkang ↔ Clementi	2013	8 April	156ADiscontinued.
		2015	27 December	Serves additional bus stop opposite Sixth Ave Stn along Dunearn Rd.
		2020	8 November	Skips the bus stop opposite SLF Cplx along Thomson Rd to facilitate the construction of the North-South Corridor (NSC).^[3]
		2023	23 July	Amended to ply temporary slip road and Mt Pleasant Rd towards Sengkang Integrated Transport Hub with the temporary closure of slip road to PIE Exit 17D, serving new staggered bus stop after Mt Pleasant Rd along Thomson Rd.^[4]
	Buangkok ↔ Clementi	2024	1 December	Shortened to Buangkok Integrated Transport Hub.^[5]

Service 157

Operator	Route	Year	Date	Service changes
United Bus Company	Lor 1 Toa Payoh ↔ Jln Samulun	1971	22 June	Introduced between Lor 1 Toa Payoh Ter and Jln Samulun Ter.
United Bus Company	Toa Payoh ↔ Jln Samulun	1971	2 August	Amended to Toa Payoh Town Ctr Ter.
(Current) Known as prior to 1 November 2001		1973	1 July	Operations transferred to Singapore Bus Services.
		1975	9 November	Amended to realigned Jurong Rd, skipping Old Jurong Rd.
	Toa Payoh ↔ Jurong	1978	1 June	Amended to Jurong Int.
		1979	30 December	Amended to ply Jln Anak Bt towards Toa Payoh Town Ctr Ter with the partial conversion of Upp Bt Timah Rd to one-way traffic.
		1983	26 December	Amended to Toa Payoh Int.
		1984	20 October	Amended to ply Bt Batok East Ave 3, Bt Batok St 24, Bt Batok St 23 and interim road with the partial closure of Jurong Rd (between Bt Batok East Ave 3 and Bt Batok St 23).
		1985	17 March	Amended to ply Bt Batok Rd, Bt Batok West Ave 3, Bt Batok Ctrl and Bt Batok East Ave 3 with the partial closure of Jurong Rd.
		1987	12 August	Skips removed bus stop after Joan Rd along Lornie Rd.
		1989	27 August	Amended to ply Jurong East Ave 1, Jurong West Ave 1 and Corporation Rd, skipping Jln Ahmad Ibrahim.
	Toa Payoh ↔ Boon Lay	1990	1 July	Amended to Boon Lay Int.
		1996	TBC	Serves new bus stop outside Blk 220 along Boon Lay Ave.
		1998	31 May	Amended to the Toa Payoh Temp Int.
		1998	31 May	Serves new pair of bus stops outside and opposite Toa Payoh Swim Cplx along Lor 6 Toa Payoh.
		2001	23 December	Amended to ply Corporation Rd, Jurong West Ave 2 and Jln Boon Lay, skipping Boon Lay Ave.
		2002	19 May	Amended to the relocated Toa Payoh Integrated Transport Hub.
		2003	TBC	Serves new bus stop outside Goh & Goh Bldg along Jln Jurong Kechil.
		2005	TBC	Skips removed bus stop outside Muhajirin Mque along Braddell Rd.
		2006	18 June	Amended to Boon Lay Temp Int.
		2009	27 December	Amended to Boon Lay Integrated Transport Hub.
	157Toa Payoh ↔ Boon Lay 157ABoon Lay Int → Bt Batok Ctrl	2010	18 September	157AIntroduced from Boon Lay Int to Bt Batok Ctrl (Opp Blk 628) during the partial full day closure of the North South Line between Jurong East and Bukit Batok to facilitate the Jurong East Modification Project (JEMP) until 19 September 2010.
	Toa Payoh ↔ Boon Lay	2010	20 September	157ADiscontinued.
		2012	9 December	Amended to ply Upp Bt Timah Rd and Bt Timah Lk with the partial closure of Jln Jurong Kechil to facilitate the construction of Beauty World on the Downtown Line.
		2013	30 September	Designated wheelchair-accessible bus service (WAB).
		2014	26 January	Amended to ply the reinstated Jln Jurong Kechil, skipping Upp Bt Timah Rd and Bt Timah Lk.
		2017	23 April	Serves relocated bus stop before PIE along Bt Batok Rd.
		2018	28 October	Amended to ply southbound Lornie Highway with the partial closure of Adam Rd.^[6]

Service 158

Operator	Route	Year	Date	Service changes
Associated Bus Services	Toa Payoh ↔ Fidelio St	1971	8 August	Introduced between Toa Payoh Town Ctr Ter and Fidelio St Ter.
(Current) Known as prior to 1 November 2001	Toa Payoh ↔ Chai Chee	1973	1 July	Operations transferred to Singapore Bus Services.
		1973	1 July	Extended to Chai Chee Ter.
		1974	3 February	Amended to skip Fidelio St under 1974 Bus Rationalisation.
		1983	26 December	Amended to Toa Payoh Int.
	Toa Payoh ↔ Bedok	1985	8 September	Extended to Bedok Int with the closure of Chai Chee Ter.
	Serangoon ↔ Bedok	1990	4 February	Amended to Serangoon Int.
	Serangoon ↺ Rhu Cross	1992	3 May	Shortened to loop at Tg Rhu Rd under TransitLink Network Integration Exercise Phase 7.
	Serangoon ↺ Rhu Cross	1998	TBC	Serves new bus stop opposite Costa Rhu Condo along Rhu Cross, skipping a pair of bus stops outside and opposite AMCOL along Tg Rhu Rd.
	158Serangoon ↺ Rhu Cross 158AGeylang Rd → Tg Rhu Rd 158BTg Rhu Rd → Sims Ave	2001	TBC	158AIntroduced from Geylang Rd (Gay World Pk) to Tg Rhu Rd (Opp Dunman High Sch) during morning peak hours on weekdays.
		2001	TBC	158BIntroduced from Tg Rhu Rd (Dunman High Sch) to Sims Ave (Aft Lor 1 Geylang) during evening peak hours on weekdays.
		2003	16 March	Skips a pair of removed bus stops outside and opposite Camelot Condo along Tg Rhu Rd to facilitate the construction of KPE.
		2004	27 April	Amended to ply Geylang Rd, Kallang Rd and Sims Ave towards Serangoon Int with the temporary conversion of Lor 1 Geylang to one-way traffic.
			TBC	Serves additional pair of bus stops outside Serangoon Stn along Serangoon Ctrl.
			6 December	Amended to ply the reinstated Lor 1 Geylang towards Serangoon Int, skipping Geylang Rd, Kallang Rd and Sims Ave.
	158Serangoon ↺ Rhu Cross 158AAljunied Rd → Tg Rhu Rd 158BTg Rhu Rd → Sims Ave	2005	5 June	Amended to ply Sims Way with the partial closure of southbound Mountbatten Rd due to the construction of Paya Lebar station along the Circle Line.
			5 June	158AAmended to start from Aljunied Rd (Aljunied Stn).
	158Serangoon ↺ Rhu Cross 158AAljunied Rd → Tg Rhu Rd 158BTg Rhu Rd → Aljunied Rd		26 June	Amended to ply Sims Way with the partial closure of northbound Mountbatten Rd due to the construction of Mountbatten station along the Circle Line.
			26 June	158BAmended to terminate Aljunied Rd (Opp Aljunied Stn).
	Serangoon ↺ Rhu Cross	2006	20 November	158A 158BTemporary suspension of services due to the temporary relocation of Dunman High Sch to facilitate renovation works.
	158Serangoon ↺ Rhu Cross 158AAljunied Rd → Tg Rhu Rd 158BTg Rhu Rd → Aljunied Rd	2009	2 January	158A 158BServices reinstated with the re-opening of Dunman High Sch at its original site.
			8 March	Skips a pair of bus stops outside and opposite Bartley Sec Sch with the realignment of the junction of Upp Paya Lebar Rd and Bartley Rd.
			22 November	Serves new pair of bus stops outside and opposite MacPherson Stn along Circuit Lk.
		2011	26 June	Amended to ply Lor Bengkok with the closure of Circuit Lk to facilitate the construction of MacPherson station on the Downtown Line.
	158Serangoon ↺ Rhu Cross 158AAljunied Rd ↺ Rhu Cross → Aljunied Rd		1 August	158AIntegrated with Short Trip 158B, amended to loop at Rhu Cross and extended to operate during evening peak hours on weekdays.
			1 August	158BIntegrated with Short Trip 158A and discontinued.
			3 September	Amended to Serangoon Integrated Transport Hub.
		2013	31 March	Designated wheelchair-accessible bus service (WAB). ^[7]
		2014	10 August	Serves new bus stop opposite Blk 2 along Mountbatten Rd.
		2016	16 October	Amended to ply the reinstated Circuit Lk, skipping Lor Bengkok.
		2024	28 April	Serves new bus stops outside Tg Rhu Stn along Tg Rhu Rd.^[8]

Service 159

1^st Generation (1971 - 1974)

Operator	Route	Year	Date	Service changes
United Bus Company	Toa Payoh Town Ctr ↔ Outram Pk	1971	11 August	Introduced between Toa Payoh Town Ctr Ter and Outram Pk Ter.
United Bus Company		1973	11 March	Amended to ply Zion Rd and Hoot Kiam Rd towards Toa Payoh Town Ctr Ter with the partial conversion of Kim Seng Rd and Irwell Bank Rd to one-way traffic.
		1973	1 July	Operations transferred to Singapore Bus Services.
		1974	3 February	Integrated with Service 151 and discontinued under 1974 Bus Rationalisation.

2^nd Generation (since 1977)

Operator	Route	Year	Date	Service changes
(Current) Known as prior to 1 November 2001	Toa Payoh ↔ Ang Mo Kio Ave 6	1977	25 April	Introduced between Toa Payoh Town Ctr Ter and Ang Mo Kio Ave 6 Ter.
	Toa Payoh ↺ Ang Mo Kio	1980	6 January	Amended to loop at Ang Mo Kio Ave 3 via Ang Mo Kio Ave 8.
		1983	6 February	Amended to ply CTE towards Ang Mo Kio Ave 3 with the closure of temporary slip road between Braddell Rd and Lor Chuan.
			10 April	Amended to loop at Ang Mo Kio Int.
			26 December	Amended to Toa Payoh Int.
		1989	5 March	Amended to ply Lor Chuan towards Ang Mo Kio Int, skipping CTE.
		1998	31 May	Amended to Toa Payoh Temp Int.
		1998	31 May	Serves new pair of bus stops outside and opposite Toa Payoh Swim Cplx along Lor 6 Toa Payoh.
	Toa Payoh ↔ Sengkang	2001	18 February	Extended to Sengkang Ter.
	159Toa Payoh ↔ Sengkang 159ASengkang → Ang Mo Kio Ave 8		19 February	159AIntroduced from Sengkang Ter to Ang Mo Kio Ave 8 (Opp Blk 710) during morning peak hours on weekdays.
			28 April	Amended to Sengkang Temp Int.
		2002	19 May	Amended to Toa Payoh Integrated Transport Hub.
	159Toa Payoh ↺ Sengkang 159ASengkang → Ang Mo Kio Ave 8	2003	18 January	Amended to loop at Sengkang Integrated Transport Hub from Toa Payoh Int.
	Sengkang ↔ Toa Payoh	2005	TBC	Amended to terminate at Sengkang Integrated Transport Hub.
	Sengkang ↔ Toa Payoh	2005	TBC	159ADiscontinued.
	159Sengkang ↔ Toa Payoh 159ASengkang → Ang Mo Kio Ave 8	2009	6 April	159AIntroduced from Sengkang Int to Ang Mo Kio Ave 8 (Opp Blk 710) during morning peak hours on weekdays.
	159Sengkang ↔ Toa Payoh 159ASengkang → Ang Mo Kio Ave 8 159BAng Mo Kio Ave 8 → Ang Mo Kio Ave 5	2013	7 January	159BIntroduced from Ang Mo Kio Ave 8 (Jubilee) to Ang Mo Kio Ave 5 (ITE College Ctrl) during morning peak hours on weekdays.
		2015	30 March	Designated wheelchair-accessible bus service (WAB). ^[9]

References

↑ "New Services - 134 and 150 - and route amendment for Service 76" SBS Transit, 4 March 2016
↑ "SBS Transit to roll out another five Wheelchair-accessible Bus services" SBS Transit, 21 September 2015
↑ "Changes in Bus Stops along Thomson Road for Services 54, 130, 132, 141, 156, 162, 162M, 166 and 851" SBS Transit, 26 October 2020
↑ "Route Amendments for Services 132 and 156" SBS Transit, 7 July 2023
↑ "Route Amendments for Services 114, 156 and 374" SBS Transit, 1 November 2024
↑ "Lornie Highway Opening: Changes to Services 52, 74, 93, 157, 165 and 852 from Sun, 28 Oct" SBS Transit, 17 October 2018
↑ "SBS Transit Rolls Out Nine New Wheelchair Accessible Bus Services" SBS Transit, 25 March 2013
↑ "Services 11 and 158 to call at new bus stops along Tanjong Rhu Road" SBS Transit, 17 April 2024
↑ "SBS Transit To Roll Out Another Six Wheelchair-Accessible Bus Services" SBS Transit, 23 March 2015

History of Services 150 - 159: Difference between revisions

Latest revision as of 23:53, 10 August 2025

Contents

Service 150

1^st Generation (1971 - 1990)

2^nd Generation (since 2016)

Service 151

1^st Generation (1971 - 1989)

2^nd Generation (since 1993)

Service 152

Service 153

Service 153A

Service 154

Service 154A

Service 155

Service 155A

Service 156

1^st Generation (1971 - 1983)

2^nd Generation (since 1993)

Service 157

Service 158

Service 159

1^st Generation (1971 - 1974)

2^nd Generation (since 1977)

References

See also

Navigation menu

@@ Line 1: / Line 1: @@
+==Service 150==
+===1<sup>st</sup> Generation (1971 - 1990)===
+{| class="wikitable" style='text-align:center'
+!style={{CSS/PAST|xfc=|xbc=}}|Operator
+!style={{CSS/PAST|xfc=|xbc=}}|Route
+!style={{CSS/PAST|xfc=|xbc=}}|Year
+!style={{CSS/PAST|xfc=|xbc=}}|Date
+!style={{CSS/PAST|xfc=|xbc=}}|Service changes
+|-
+|rowspan="2"|{{UBC}}
+|Lor 1 Toa Payoh ↔ Crawford St
+|rowspan="2"|'''1971'''
+|'''11 April'''
+|style='text-align:left'|Introduced between Lor 1 Toa Payoh Ter and Crawford St Ter under 1971 Bus Reorganisation.
+|-
+|rowspan="7"|Toa Payoh ↔ Crawford St
+|'''2 August'''
+|style='text-align:left'|Amended to Toa Payoh Town Ctr Ter.
+|-
+|rowspan="6"|{{SBS}}
+|rowspan="2"|'''1978'''
+|'''5 March'''
+|style='text-align:left'|Amended to ply Keng Lee Rd with the partial conversion of Kg Java Rd to one-way traffic.
+|-
+|'''3 December'''
+|style='text-align:left'|Amended to ply Mayne Rd and Bt Timah Rd with the partial conversion of Mackenzie Rd to two-way traffic.
+|-
+|'''1979'''
+|'''28 October'''
+|style='text-align:left'|Amended to ply Sungei Rd (towards Crawford St Ter) and Weld Rd, Jln Besar and Bt Timah Rd (towards Toa Payoh Town Ctr Ter) with the partial conversion of Bt Timah Rd to two-way traffic and Rochor Canal Rd to one-way traffic, skipping Mackenzie Rd and Mayne Rd.
+|-
+|'''1980'''
+|'''3 February'''
+|style='text-align:left'|Integrated with Service 149 and amended to ply Jln Sultan, Beach Rd, Middle Rd and Selegie Rd towards Toa Payoh Town Ctr Ter, skipping Arab St, Rochor Canal Rd, Weld Rd, Jln Besar and Rochor Canal Rd.
+|-
+|'''1983'''
+|'''26 December'''
+|style='text-align:left'|Amended to Toa Payoh Int.
+|-
+|'''1990'''
+|'''2 September'''
+|style='text-align:left'|Integrated with Service 56 and discontinued.
+|}
+===2<sup>nd</sup> Generation (since 2016)===
+{| class="wikitable" style='text-align:center'
+!style={{CSS/BUS|xfc=|xbc=}}|Operator
+!style={{CSS/BUS|xfc=|xbc=}}|Route
+!style={{CSS/BUS|xfc=|xbc=}}|Year
+!style={{CSS/BUS|xfc=|xbc=}}|Date
+!style={{CSS/BUS|xfc=|xbc=}}|Service changes
+|-
+|{{SBST}}<br>'''(Current)'''
+|Eunos ↺ Marine Terrace
+|'''2016'''
+|'''20 March'''
+|style='text-align:left'|Introduced between Eunos Int and Marine Terr (Loop) under the LTA's Bus Service Enhancement Programme (BSEP), operating between 0600 hrs and 2330 hrs daily. {{LWAB}}<ref>[//www.sbstransit.com.sg/news/new-services---134-and-150---and-route-amendment-for-service-76 "New Services - 134 and 150 - and route amendment for Service 76"] SBS Transit, 4 March 2016</ref>
+|}
 ==Service 151==
-===1st Generation (1971 - 1989)===
+===1<sup>st</sup> Generation (1971 - 1989)===
 {| class="wikitable" style='text-align:center'
 !style={{CSS/PAST|xfc=|xbc=}}|Operator
@@ Line 61: / Line 120: @@
 |}
-===2nd Generation (Current)===
+===2<sup>nd</sup> Generation (since 1993)===
-{{:Bus Service 151}}
+{| class="wikitable" style='text-align:center'
+!style={{CSS/BUS|xfc=|xbc=}}|Operator
+!style={{CSS/BUS|xfc=|xbc=}}|Route
+!style={{CSS/BUS|xfc=|xbc=}}|Year
+!style={{CSS/BUS|xfc=|xbc=}}|Date
+!style={{CSS/BUS|xfc=|xbc=}}|Service changes
+|-
+|rowspan=15|{{SBST}}<br>'''(Current)'''<br>''Known as {{SBS}} prior to 1 November 2001''
+|rowspan=5|Hougang ↔ Kent Ridge
+|'''1993'''
+|'''4 April'''
+|style='text-align:left'|Introduced between Hougang Int and Kent Ridge Ter under TransitLink Network Integration Exercise Phase 12.
+|-
+|rowspan=5|'''1994'''
+|'''23 January'''
+|style='text-align:left'|Amended to ply Hougang Ave 3, skipping Defu Ave 1.
+|-
+|{{TBC}}
+|style='text-align:left'|First bus from Hougang Int revised to 0600 hrs on weekdays and Saturdays. Last bus from Hougang Int revised to 2300 hrs daily.
+|-
+|{{TBC}}
+|style='text-align:left'|First bus from Kent Ridge Ter revised to 0630 hrs daily. Last bus from Kent Ridge Ter revised to 2300 hrs on weekdays and Saturdays.
+|-
+|'''11 September'''
+|style='text-align:left'|Amended to ply Kent Ridge Cres.
+|-
+|rowspan=3|Hougang South ↔ Kent Ridge
+|'''17 December'''
+|style='text-align:left'|Hougang Int renamed to Hougang Sth Int.
+|-
+|'''1996'''
+|{{TBC}}
+|style='text-align:left'|Last bus from Kent Ridge Ter brought forward to 2300 hrs on Sundays and Public Holidays.
+|-
+|'''1999'''
+|{{TBC}}
+|style='text-align:left'|First bus from Kent Ridge Ter brought forward to 0615 hrs on weekdays.
+|-
+|{{Bus/D|151|note=Hougang South ↔ Kent Ridge}} {{Bus/D|151A|PAST|note=Kent Ridge → Dunearn Rd}}
+|'''2000'''
+|{{TBC}}
+|style='text-align:left'|{{Bus/D|151A|PAST|note=Introduced from Kent Ridge Ter to Dunearn Rd (Aft Kheam Hock Rd) during evening peak hours on weekdays.}}
+|-
+|rowspan=5|{{Bus/D|151|note=Hougang Ctrl ↔ Kent Ridge}} {{Bus/D|151A|PAST|note=Kent Ridge → Dunearn Rd}}
+|'''2004'''
+|'''15 February'''
+|style='text-align:left'|{{Bus/D|151|note=Extended to Hougang Ctrl Int with the closure of Hougang Sth Int.}}
+|-
+|'''2007'''
+|{{TBC}}
+|style='text-align:left'|Skips removed bus stop before Paya Lebar Rd along Airport Rd to facilitate the construction of KPE.
+|-
+|'''2010'''
+|'''2 December'''
+|style='text-align:left'|{{DWAB}}
+|-
+|rowspan=2|'''2011'''
+|rowspan=2|'''4 September'''
+|style='text-align:left'|Amended to skip Bendemeer Rd, Whampoa Nth and Serangoon Rd towards Kent Ridge Ter with the permanent closure of Whampoa Nth.
+|-
+|style='text-align:left'|Serves new bus stop outside Botanic Gdns Stn along Bt Timah Rd.
+|-
+|Hougang Ctrl ↔ Kent Ridge
+|'''2012'''
+|'''23 July'''
+|{{Bus/D|151A|PAST|note=Discontinued.}}
+|}
-==Service 152 (1971 - 2000)==
+==Service 152==
 {| class="wikitable" style='text-align:center'
 !style={{CSS/PAST|xfc=|xbc=}}|Operator
@@ Line 122: / Line 247: @@
 |}
-==Service 153 (Current)==
+==Service 153==
-{{:Bus Service 153}}
-==Service 153A (1971 - 1974)==
 {| class="wikitable" style='text-align:center'
-!style={{CSS/PAST|xfc=|xbc=}}|Operator
+!style={{CSS/BUS|xfc=|xbc=}}|Operator
-!style={{CSS/PAST|xfc=|xbc=}}|Route
+!style={{CSS/BUS|xfc=|xbc=}}|Route
-!style={{CSS/PAST|xfc=|xbc=}}|Year
+!style={{CSS/BUS|xfc=|xbc=}}|Year
-!style={{CSS/PAST|xfc=|xbc=}}|Date
+!style={{CSS/BUS|xfc=|xbc=}}|Date
-!style={{CSS/PAST|xfc=|xbc=}}|Service changes
+!style={{CSS/BUS|xfc=|xbc=}}|Service changes
 |-
 |rowspan=2|{{UBC}}
 |Lor 1 Toa Payoh ↔ Henderson Rd
 |rowspan=2|'''1971'''
-|'''19 July'''
+|'''11 April'''
-|style='text-align:left'|Introduced between Lor 1 Toa Payoh Ter and Jln Bt Merah Ter.
+|style='text-align:left'|Introduced between Lor 1 Toa Payoh Ter and Jln Bt Merah Ter under 1971 Bus Reorganisation.
 |-
-|rowspan=3|Toa Payoh ↔ Henderson Rd
+|rowspan=2|Toa Payoh ↔ Henderson Rd
 |'''2 August'''
 |style='text-align:left'|Amended to Toa Payoh Town Ctr Ter.
 |-
-|rowspan=2|{{SBS}}
+|rowspan=14|{{SBST}}<br>'''(Current)'''<br>''Known as {{SBS}} prior to 1 November 2001''
 |'''1973'''
 |'''1 July'''
 |style='text-align:left'|Operations transferred to Singapore Bus Services.
 |-
-|'''1974'''
+|rowspan=2|Toa Payoh ↔ Bukit Merah
-|'''3 February'''
+|'''1979'''
-|style='text-align:left'|Integrated with Service 95 and discontinued under 1974 Bus Rationalisation.
+|'''23 December'''
-|}
+|style='text-align:left'|Amended to Bt Merah Ctrl Ter.
-==Service 154 (Current)==
-{{:Bus Service 154}}
-==Service 154A (1971 - 1974)==
-{| class="wikitable" style='text-align:center'
-!style={{CSS/PAST|xfc=|xbc=}}|Operator
-!style={{CSS/PAST|xfc=|xbc=}}|Route
-!style={{CSS/PAST|xfc=|xbc=}}|Year
-!style={{CSS/PAST|xfc=|xbc=}}|Date
-!style={{CSS/PAST|xfc=|xbc=}}|Service changes
 |-
-|rowspan=3|{{UBC}}
+|'''1980'''
-|New Bridge Rd ↔ Jln Besi
+|'''28 September'''
-|rowspan=3|'''1971'''
+|style='text-align:left'|Amended to Bt Merah Int.
-|'''11 April'''
-|style='text-align:left'|Introduced between New Bridge Rd Ter and Jln Besi Ter under 1971 Bus Reorganisation.
 |-
-|Crawford St ↔ Jln Besi
+|rowspan=2|Upp Serangoon ↔ Bukit Merah
-|'''1 September'''
+|'''1983'''
-|style='text-align:left'|Extended to Crawford St Ter.
+|'''26 December'''
+|style='text-align:left'|Integrated with Service 156 and extended to Upp Serangoon Ter.
 |-
-|rowspan=3|Crawford St ↔ Benoi Rd
+|'''1992'''
-|{{TBC}}
+|'''29 March'''
-|style='text-align:left'|Extended to Benoi Rd Ter.
+|style='text-align:left'|Amended to ply Bt Merah Ctrl.
 |-
-|rowspan=2|{{SBS}}
+|rowspan=4|Bukit Merah ↔ Hougang Ctrl
-|'''1973'''
+|'''1994'''
-|'''1 July'''
+|'''18 December'''
-|style='text-align:left'|Operations transferred to Singapore Bus Services.
+|style='text-align:left'|Amended to Hougang Ctrl Int.
 |-
-|'''1974'''
+|'''1998'''
-|'''3 February'''
+|'''24 May'''
-|style='text-align:left'|Re-numbered Service 209 under 1974 Bus Rationalisation.
+|style='text-align:left'|Amended to Hougang Ctrl Temp Int.
-|}
-==Service 155 (Current)==
-{{:Bus Service 155}}
-==Service 155A (1971 - 1974)==
-{| class="wikitable" style='text-align:center'
-!style={{CSS/PAST|xfc=|xbc=}}|Operator
-!style={{CSS/PAST|xfc=|xbc=}}|Route
-!style={{CSS/PAST|xfc=|xbc=}}|Year
-!style={{CSS/PAST|xfc=|xbc=}}|Date
-!style={{CSS/PAST|xfc=|xbc=}}|Service changes
 |-
-|rowspan=2|{{ABS}}
+|'''2001'''
-|Lor 1 Toa Payoh ↔ Bedok Rd
+|'''20 May'''
-|rowspan=2|'''1971'''
+|style='text-align:left'|Amended back to Hougang Ctrl Int.
-|'''11 April'''
-|style='text-align:left'|Introduced between Lor 1 Toa Payoh Ter and Bedok Rd Ter.
 |-
-|rowspan=3|Toa Payoh ↔ Bedok Rd
+|rowspan=2|'''2002'''
-|'''2 August'''
+|{{TBC}}
-|style='text-align:left'|Amended to Toa Payoh Town Ctr Ter.
+|style='text-align:left'|Serves new pair of bus stops after Sommerville Rd and after Sunshine Lodge along Upp Serangoon Rd.
 |-
-|rowspan=2|{{SBS}}
+|rowspan=2|{{Bus/D|153|note=Bukit Merah ↔ Hougang Ctrl}} {{Bus/D|153A|PAST|note=Hougang Ctrl Int → Lor 2 Toa Payoh}}
-|'''1973'''
+|{{TBC}}
-|'''1 July'''
+|style='text-align:left'|{{Bus/D|153A|PAST|note=Introduced from Hougang Ctrl Int to Lor 2 Toa Payoh (Toa Payoh Stn) during morning peak hours on weekdays.}}
-|style='text-align:left'|Operations transferred to Singapore Bus Services.
 |-
-|'''1974'''
+|'''2004'''
-|'''3 February'''
+|{{TBC}}
-|style='text-align:left'|Re-numbered Service 135 under 1974 Bus Rationalization.
+|style='text-align:left'|Skips removed bus stop outside Nanyang Pr Sch along Farrer Rd.
-|}
-==Service 156==
-===1st Generation (1971 - 1983)===
-{| class="wikitable" style='text-align:center'
-!style={{CSS/PAST|xfc=|xbc=}}|Operator
-!style={{CSS/PAST|xfc=|xbc=}}|Route
-!style={{CSS/PAST|xfc=|xbc=}}|Year
-!style={{CSS/PAST|xfc=|xbc=}}|Date
-!style={{CSS/PAST|xfc=|xbc=}}|Service changes
 |-
-|rowspan=2|{{ABS}}
+|rowspan=3|Bukit Merah ↔ Hougang Ctrl
-|Lor 1 Toa Payoh ↔ Upp Serangoon
+|'''2006'''
-|rowspan=2|'''1971'''
+|{{TBC}}
-|'''11 April'''
+|style='text-align:left'|{{Bus/D|153A|PAST|note=Discontinued.}}
-|style='text-align:left'|Introduced between Lor 1 Toa Payoh Ter and Upp Serangoon Ter under 1971 Bus Reorganisation.
 |-
-|rowspan=5|Toa Payoh ↔ Upp Serangoon
+|'''2011'''
-|'''2 August'''
+|'''4 September'''
-|style='text-align:left'|Amended to Toa Payoh Town Ctr Ter.
+|style='text-align:left'|Serves new bus stop outside Botanic Gdns Stn along Bt Timah Rd.
-|-
-|rowspan=4|{{SBS}}
-|'''1973'''
-|'''1 July'''
-|style='text-align:left'|Operations transferred to Singapore Bus Services.
-|-
-|rowspan=3|'''1983'''
-|'''6 February'''
-|style='text-align:left'|Amended to ply CTE towards Upp Serangoon Ter with the closure of temporary slip road between Braddell Rd and Lor Chuan.
-|-
-|'''20 June'''
-|style='text-align:left'|Amended back to ply Lor Chuan towards Upp Serangoon Ter with the opening of new link road between Braddell Rd and Lor Chuan under Braddell Flyover.
 |-
-|'''26 December'''
+|'''2015'''
-|style='text-align:left'|Integrated with Service 153 and discontinued.
+|'''28 September'''
+|style='text-align:left'|{{DWAB}}<ref>[//www.sbstransit.com.sg/news/sbs-transit-to-roll-out-another-five-wheelchair-accessible-bus-services-1 "SBS Transit to roll out another five Wheelchair-accessible Bus services"] SBS Transit, 21 September 2015</ref>
 |}
-===2nd Generation (Current)===
+==Service 153A==
-{{:Bus Service 156}}
-==Service 157 (Current)==
-{{:Bus Service 157}}
-==Service 158 (Current)==
-{{:Bus Service 158}}
-==Service 159==
-===1st Generation (1971 - 1974)===
 {| class="wikitable" style='text-align:center'
 !style={{CSS/PAST|xfc=|xbc=}}|Operator
@@ Line 273: / Line 336: @@
 |-
 |rowspan=2|{{UBC}}
-|rowspan=4|Toa Payoh Town Ctr ↔ Outram Pk
+|Lor 1 Toa Payoh ↔ Henderson Rd
-|'''1971'''
+|rowspan=2|'''1971'''
-|'''11 August'''
+|'''19 July'''
-|style='text-align:left'|Introduced between Toa Payoh Town Ctr Ter and Outram Pk Ter.
+|style='text-align:left'|Introduced between Lor 1 Toa Payoh Ter and Jln Bt Merah Ter.
 |-
-|rowspan=2|'''1973'''
+|rowspan=3|Toa Payoh ↔ Henderson Rd
-|'''11 March'''
+|'''2 August'''
-|style='text-align:left'|Amended to ply Zion Rd and Hoot Kiam Rd towards Toa Payoh Town Ctr Ter with the partial conversion of Kim Seng Rd and Irwell Bank Rd to one-way traffic.
+|style='text-align:left'|Amended to Toa Payoh Town Ctr Ter.
 |-
 |rowspan=2|{{SBS}}
+|'''1973'''
 |'''1 July'''
 |style='text-align:left'|Operations transferred to Singapore Bus Services.
@@ Line 288: / Line 352: @@
 |'''1974'''
 |'''3 February'''
-|style='text-align:left'|Integrated with Service 151 and discontinued under 1974 Bus Rationalisation.
+|style='text-align:left'|Integrated with Service 95 and discontinued under 1974 Bus Rationalisation.
 |}
-===2nd Generation (Current)===
+==Service 154==
-{{:Bus Service 159}}
-==Service 160==
-===1st Generation (1971 - 1998)===
 {| class="wikitable" style='text-align:center'
-!style={{CSS/PAST|xfc=|xbc=}}|Operator
+!style={{CSS/BUS|xfc=|xbc=}}|Operator
-!style={{CSS/PAST|xfc=|xbc=}}|Route
+!style={{CSS/BUS|xfc=|xbc=}}|Route
-!style={{CSS/PAST|xfc=|xbc=}}|Year
+!style={{CSS/BUS|xfc=|xbc=}}|Year
-!style={{CSS/PAST|xfc=|xbc=}}|Date
+!style={{CSS/BUS|xfc=|xbc=}}|Date
-!style={{CSS/PAST|xfc=|xbc=}}|Service changes
+!style={{CSS/BUS|xfc=|xbc=}}|Service changes
 |-
-|rowspan=2|{{UBC}}
+|{{UBC}}
-|rowspan=4|Crawford St ↔ Rotherham Gate
+|rowspan=2|MacPherson ↔ Intl Rd
-|rowspan=2|'''1971'''
+|'''1971'''
 |'''11 April'''
-|style='text-align:left'|Introduced between Crawford St Ter and Rotherham Gate Ter under 1971 Bus Reorganisation.
+|style='text-align:left'|Introduced between MacPherson Ter and Intl Rd Ter under 1971 Bus Reorganisation.
-|-
-|'''6 November'''
-|style='text-align:left'|Amended to ply Canberra Rd, skipping Admiralty Rd East.
 |-
-|rowspan=7|{{SBS}}
+|rowspan=25|{{SBST}}<br>'''(Current)'''<br>''Known as {{SBS}} prior to 1 November 2001''
 |'''1973'''
 |'''1 July'''
 |style='text-align:left'|Operations transferred to Singapore Bus Services.
 |-
-|'''1974'''
+|rowspan=4|MacPherson ↔ Jurong
-|'''3 February'''
+|'''1978'''
-|style='text-align:left'|Amended to ply Old Upp Thomson Rd under 1974 Bus Rationalisation.
+|'''1 June'''
+|style='text-align:left'|Amended to Jurong Int and amended to ply MacPherson Rd, Serangoon Rd and Jln Toa Payoh, skipping Upp Aljunied Rd, Upp Serangoon Rd, Braddell Rd, Lor 5 Toa Payoh, Lor 4 Toa Payoh, Toa Payoh Ctrl and Lor 2 Toa Payoh.
 |-
-|rowspan=5|Crawford St ↔ Admiralty Rd West
+|'''1981'''
-|'''1976'''
+|'''31 October'''
-|'''23 August'''
+|style='text-align:left'|Amended to ply Clementi Rd, skipping Old Clementi Rd.
-|style='text-align:left'|Amended to Admiralty Rd West Ter.
 |-
-|rowspan=2|'''1978'''
+|'''1986'''
-|'''5 March'''
+|'''1 June'''
-|style='text-align:left'|Amended to ply Keng Lee Rd with the partial conversion of Kg Java Rd to one-way traffic.
+|style='text-align:left'|Skips removed bus stop before Ayer Rajah Rd along Clementi Rd.
 |-
-|'''3 December'''
+|'''1988'''
-|style='text-align:left'|Amended to ply Mayne Rd and Bt Timah Rd with the partial conversion of Mackenzie Rd to two-way traffic.
+|'''23 October'''
-|-
+|style='text-align:left'|Amended to ply Commonwealth Ave West and Clementi Ave 6.
-|rowspan=2|'''1979'''
-|'''28 October'''
-|style='text-align:left'|Amended to ply Sungei Rd (towards Crawford St Ter) and Weld Rd, Jln Besar and Bt Timah Rd (towards Admiralty Rd West Ter) with the partial conversion of Bt Timah Rd to two-way traffic and Rochor Canal Rd to one-way traffic, skipping Mackenzie Rd and Mayne Rd.
-|-
-|'''25 November'''
-|style='text-align:left'|Amended to ply Upp Thomson Rd, skipping Old Upp Thomson Rd.
-|-
-|rowspan=6|{{TIBS}}
-|rowspan=6|Admiralty Rd West ↔ Crawford St
-|'''1983'''
-|'''3 April'''
-|style='text-align:left'|Operations transferred to Trans Island Bus Services.
 |-
+|rowspan=3|Boon Lay ↔ Eunos
 |'''1990'''
-|'''21 February'''
+|'''1 July'''
-|style='text-align:left'|Skips removed bus stop opposite Jasmine Rd along Upp Thomson Rd.
+|style='text-align:left'|Extended to Eunos Int and amended to Boon Lay Int.
 |-
 |'''1996'''
-|'''10 February'''
+|{{TBC}}
-|style='text-align:left'|Amended to ply Middle Rd towards Crawford St Ter and Jln Sultan, Beach Rd, Middle Rd, Victoria St, Rochor Rd and Rochor Canal Rd towards Admiralty Rd West Ter.
+|style='text-align:left'|Skips a pair of removed bus stops outside and opposite MOE Water Works along Jln Ahmad Ibrahim.
 |-
-|rowspan=2|'''1997'''
+|'''1999'''
 |{{TBC}}
-|style='text-align:left'|First bus from Admiralty Rd West Ter brought forward to 0600 hrs on Sundays and Public Holidays.
+|style='text-align:left'|First bus from Boon Lay Int revised to 0530 hrs on weekdays and Saturdays, and 0600 hrs on Sundays and Public Holidays.
 |-
+|{{Bus/D|154|note=Boon Lay ↔ Eunos}}{{Bus/D|154A|PAST|note=Commonwealth Ave West → Clementi Rd}}
+|rowspan=2|'''2001'''
 |{{TBC}}
-|style='text-align:left'|Last bus from Crawford St Ter extended to 2330 hrs on weekdays.
+|style='text-align:left'|{{Bus/D|154A|PAST|note=Introduced from Commonwealth Ave West (Clementi Stn) to Clementi Rd (Ngee Ann Poly) during morning peak hours on weekdays.}}
 |-
-|'''1998'''
+|rowspan=7|{{Bus/D|154|note=Boon Lay ↔ Eunos}}{{Bus/D|154A|PAST|note=Boon Lay → Clementi Rd}}
-|'''27 December'''
+|{{TBC}}
-|style='text-align:left'|Extended to Lor 1 Geylang Ter and re-numbered Service 980.
+|style='text-align:left'|{{Bus/D|154A|PAST|note=Extended to start from Boon Lay Int.}}
-|}
-===2nd Generation (Current)===
-{{:Bus Service 160}}
-==Service 160A (1971 - 1974)==
-{| class="wikitable" style='text-align:center'
-!style={{CSS/PAST|xfc=|xbc=}}|Operator
-!style={{CSS/PAST|xfc=|xbc=}}|Route
-!style={{CSS/PAST|xfc=|xbc=}}|Year
-!style={{CSS/PAST|xfc=|xbc=}}|Date
-!style={{CSS/PAST|xfc=|xbc=}}|Service changes
 |-
-|rowspan=2|{{UBC}}
+|'''2003'''
-|rowspan=4|Rotherham Gate ↔ New Bridge Rd
+|'''16 March'''
-|rowspan=2|'''1971'''
+|style='text-align:left'|Amended to ply Eunos Ave 5 and Eunos Rd 8 with the partial closure of Paya Lebar Rd to facilitate the construction of Paya Lebar station on the Circle Line.
-|'''3 May'''
-|style='text-align:left'|Introduced between Rotherham Gate Ter and New Bridge Rd Ter.
 |-
-|'''10 August'''
+|'''2006'''
-|style='text-align:left'|Amended to ply Dunearn Rd, Bt Timah Rd, Newton Circus and Balmoral Rd.
+|'''18 June'''
+|style='text-align:left'|Amended to Boon Lay Temp Int.
 |-
-|rowspan=2|{{SBS}}
+|'''2008'''
-|'''1973'''
+|'''26 October'''
-|'''1 July'''
+|style='text-align:left'|Serves new bus stop along Jln Ubi.
-|style='text-align:left'|Operations transferred to Singapore Bus Services.
 |-
-|'''1974'''
+|rowspan=3|'''2009'''
-|'''3 February'''
+|'''23 August'''
-|style='text-align:left'|Re-numbered Service 167 under 1974 Bus Rationalisation.
+|style='text-align:left'|Amended to ply the reinstated Paya Lebar Rd, skipping Eunos Ave 5 and Eunos Rd 8.
-|}
-==Service 160M (2020 - 2023)==
-{{:Bus Service 160M}}
-==Service 161==
-===1st Generation (1971 - 1992)===
-{| class="wikitable" style='text-align:center'
-!style={{CSS/PAST|xfc=|xbc=}}|Operator
-!style={{CSS/PAST|xfc=|xbc=}}|Route
-!style={{CSS/PAST|xfc=|xbc=}}|Year
-!style={{CSS/PAST|xfc=|xbc=}}|Date
-!style={{CSS/PAST|xfc=|xbc=}}|Service changes
 |-
-|{{UBC}}
+|'''22 November'''
-|rowspan=9|Sembawang Rd End ↔ Prince Edward
+|style='text-align:left'|Serves new bus stop opposite MacPherson Stn along Circuit Lk.
-|'''1971'''
-|'''11 April'''
-|style='text-align:left'|Introduced between Sembawang Rd End Ter and Prince Edward Ter under 1971 Bus Reorganisation.
 |-
-|rowspan=7|{{SBS}}
+|'''27 December'''
-|'''1973'''
+|style='text-align:left'|Amended to Boon Lay Integrated Transport Hub.
-|'''1 July'''
-|style='text-align:left'|Operations transferred to Singapore Bus Services.
 |-
-|'''1974'''
+|rowspan=5|Boon Lay ↔ Eunos
-|'''8 December'''
+|'''2010'''
-|style='text-align:left'|Amended to ply Cecil St, skipping Robinson Rd.
+|{{TBC}}
+|style='text-align:left'|{{Bus/D|154A|PAST|note=Discontinued.}}
 |-
-|'''1976'''
+|rowspan=4|'''2011'''
-|'''14 March'''
+|'''26 June'''
-|style='text-align:left'|Serves new staggered bus stop outside The Cenotaph along Connaught Dr, skipping the bus stop opposite Singapore Cricket Club.
+|style='text-align:left'|Amended to ply Lor Bengkok with the closure of Circuit Lk to facilitate the construction of MacPherson station on the Downtown Line.
 |-
-|rowspan=2|'''1978'''
+|rowspan=2|'''4 September'''
-|'''5 March'''
+|style='text-align:left'|Amended to skip Bendemeer Rd, Whampoa Nth and Serangoon Rd towards Boon Lay Int with the permanent closure of Whampoa Nth.
-|style='text-align:left'|Amended to ply Keng Lee Rd with the partial conversion of Kg Java Rd to one-way traffic.
 |-
-|'''3 December'''
+|style='text-align:left'|Serves new bus stop outside Botanic Gdns Stn along Bt Timah Rd.
-|style='text-align:left'|Amended to ply Mayne Rd and Bt Timah Rd with the partial conversion of Mackenzie Rd to two-way traffic.
 |-
-|rowspan=2|'''1979'''
+|'''26 September'''
-|'''11 February'''
+|style='text-align:left'|{{DWAB}}
-|style='text-align:left'|Amended to ply the extended Shenton Way, Palmer Rd and Anson Rd, skipping Parsi Rd.
 |-
-|'''28 October'''
+|{{Bus/D|154|note=Boon Lay ↔ Eunos}}{{Bus/D|154A|note=Yung Ho Rd → Boon Lay Way}}
-|style='text-align:left'|Amended to ply Sungei Rd (towards Prince Edward Ter) and Bt Timah Rd (towards Sembawang Rd End Ter) with the partial conversion of Bt Timah Rd to two-way traffic and Rochor Canal Rd to one-way traffic, skipping Mackenzie Rd and Mayne Rd.
+|'''2012'''
+|'''19 November'''
+|style='text-align:left'|{{Bus/D|154A|note=Introduced from Yung Ho Rd (Blk 151) to Boon Lay Way (Lakeside Stn) during morning peak hours on weekdays. {{LWAB}}}}
 |-
-|rowspan=4|{{TIBS}}
+|rowspan=2|{{Bus/D|154|note=Boon Lay ↔ Eunos}}{{Bus/D|154A|note=Yung Ho Rd → Boon Lay Way}}{{Bus/D|154B|note=Commonwealth Ave West → Clementi Rd}}
-|'''1983'''
+|'''2014'''
-|'''8 May'''
+|'''6 January'''
-|style='text-align:left'|Operations transferred to Trans Island Bus Services.
+|style='text-align:left'|{{Bus/D|154B|note=Introduced from Commonwealth Ave West (Clementi Stn) to Clementi Rd (Ngee Ann Poly) during morning peak hours on weekdays. {{LWAB}}}}
 |-
-|rowspan=3|Sembawang Rd End ↔ Shenton Way
+|'''2016'''
-|'''1987'''
+|'''16 October'''
-|'''28 June'''
+|style='text-align:left'|Amended to ply the reinstated Circuit Lk, skipping Lor Bengkok.
-|style='text-align:left'|Amended to Shenton Way Ter.
 |-
-|'''1990'''
+|{{Bus/D|154|note=Boon Lay ↔ Eunos}}{{Bus/D|154A|note=Yung Ho Rd → Boon Lay Way}}{{Bus/D|154B|note=Boon Lay → Clementi Rd}}
-|'''21 February'''
+|'''2018'''
-|style='text-align:left'|Skips removed bus stop opposite Jasmine Rd along Upp Thomson Rd.
+|'''15 October'''
-|-
+|style='text-align:left'|{{Bus/D|154B|note=Extended to start from Boon Lay Int.}}
-|'''1992'''
-|'''20 September'''
-|style='text-align:left'|Integrated with Service 167 and discontinued under TransitLink Network Integration Exercise Phase 9.
 |}
-===2nd Generation (Current)===
+==Service 154A==
-{{:Bus Service 161}}
-==Service 162==
-===1st Generation (1971 - 1974)===
 {| class="wikitable" style='text-align:center'
 !style={{CSS/PAST|xfc=|xbc=}}|Operator
@@ Line 472: / Line 480: @@
 !style={{CSS/PAST|xfc=|xbc=}}|Service changes
 |-
-|rowspan=2|{{UBC}}
+|rowspan=3|{{UBC}}
-|rowspan=4|Crawford St ↺ Nee Soon Transit Camp
+|New Bridge Rd ↔ Jln Besi
-|rowspan=2|'''1971'''
+|rowspan=3|'''1971'''
 |'''11 April'''
-|style='text-align:left'|Introduced between Crawford St Ter and Nee Soon Transit Camp (Loop) under 1971 Bus Reorganisation.
+|style='text-align:left'|Introduced between New Bridge Rd Ter and Jln Besi Ter under 1971 Bus Reorganisation.
 |-
-|'''5 July'''
+|Crawford St ↔ Jln Besi
-|style='text-align:left'|Amended to ply Old Upp Thomson Rd.
+|'''1 September'''
+|style='text-align:left'|Extended to Crawford St Ter.
+|-
+|rowspan=3|Crawford St ↔ Benoi Rd
+|{{TBC}}
+|style='text-align:left'|Extended to Benoi Rd Ter.
 |-
 |rowspan=2|{{SBS}}
@@ Line 488: / Line 501: @@
 |'''1974'''
 |'''3 February'''
-|style='text-align:left'|Discontinued under 1974 Bus Rationalisation.
+|style='text-align:left'|Re-numbered Service 209 under 1974 Bus Rationalisation.
 |}
-===2nd Generation (1977 - 1991)===
+==Service 155==
 {| class="wikitable" style='text-align:center'
-!style={{CSS/PAST|xfc=|xbc=}}|Operator
+!style={{CSS/BUS|xfc=|xbc=}}|Operator
-!style={{CSS/PAST|xfc=|xbc=}}|Route
+!style={{CSS/BUS|xfc=|xbc=}}|Route
-!style={{CSS/PAST|xfc=|xbc=}}|Year
+!style={{CSS/BUS|xfc=|xbc=}}|Year
-!style={{CSS/PAST|xfc=|xbc=}}|Date
+!style={{CSS/BUS|xfc=|xbc=}}|Date
-!style={{CSS/PAST|xfc=|xbc=}}|Service changes
+!style={{CSS/BUS|xfc=|xbc=}}|Service changes
 |-
-|rowspan=12|{{SBS}}
+|rowspan=2|{{ABS}}
-|rowspan=3|Ang Mo Kio Ave 6 ↺ Sims Ave
+|Kim Keat Ave ↔ Bedok Rd
-|'''1977'''
+|rowspan=2|'''1971'''
-|'''21 November'''
+|'''11 April'''
-|style='text-align:left'|Introduced between Ang Mo Kio Ave 6 Ter and Sims Ave (Loop).
+|style='text-align:left'|Introduced between Kim Keat Ave Ter and Bedok Rd Ter under 1971 Bus Reorganisation.
 |-
-|'''1978'''
+|rowspan=2|Toa Payoh ↔ Bedok Rd
-|'''29 December'''
+|'''2 August'''
-|style='text-align:left'|Coverted to a semi-express service and amended to ply Lor Chuan and Upp Serangoon Rd.
+|style='text-align:left'|Amended to Toa Payoh Town Ctr Ter.
 |-
-|'''1979'''
+|rowspan=32|{{SBST}}<br>'''(Current)'''<br>''Known as {{SBS}} prior to 1 November 2001''
-|'''10 September'''
+|'''1973'''
-|style='text-align:left'|Serves all bus stops along Lor Chuan and Upp Serangoon Rd.
+|'''1 July'''
+|style='text-align:left'|Operations transferred to Singapore Bus Services.
 |-
-|rowspan=9|Ang Mo Kio ↺ Sims Ave
+|Toa Payoh ↔ Chai Chee
-|'''1980'''
+|rowspan=2|'''1974'''
-|'''6 January'''
+|'''3 February'''
-|style='text-align:left'|Amended to Ang Mo Kio Ave 3 Ter.
+|style='text-align:left'|Amended to Chai Chee Ter under 1974 Bus Rationalisation.
 |-
-|rowspan=2|'''1981'''
+|rowspan=4|Toa Payoh ↔ Upp Changi Rd 8¼ ms
-|'''10 May'''
+|'''1 December'''
-|style='text-align:left'|Skips bus stop before Braddell Flyover along Braddell Rd.
+|style='text-align:left'|Amended to Upp Changi Rd 13.3 km Ter.
 |-
-|'''5 July'''
+|'''1975'''
-|style='text-align:left'|Amended to Ang Mo Kio Ctrl 2 Ter.
+|'''2 March'''
+|style='text-align:left'|Amended to ply Sims Ave towards Upp Changi Rd 13.3 km Ter with the conversion of Geylang Rd to one-way traffic.
 |-
-|'''1982'''
+|rowspan=2|'''1979'''
-|'''11 June'''
+|{{TBC}}
-|style='text-align:left'|Amended to ply Bendemeer Rd and Geylang Bahru, skipping Jln Kolam Ayer.
+|style='text-align:left'|Relocated to Upp Changi Rd 15.5km Ter.
 |-
-|rowspan=3|'''1983'''
+|'''14 October'''
-|'''6 February'''
+|style='text-align:left'|Amended to ply Still Rd and Joo Chiat Pl towards Upp Changi Rd 15.5 km Ter with the conversion of Changi Rd to one-way traffic.
-|style='text-align:left'|Amended to ply CTE towards Ang Mo Kio Ctrl 2 Ter with the closure of temporary slip road between Braddell Rd and Lor Chuan.
 |-
-|'''10 April'''
+|rowspan=3|Toa Payoh ↔ Somapah Depot
-|style='text-align:left'|Amended to Ang Mo Kio Int.
+|rowspan=3|'''1980'''
+|'''16 June'''
+|style='text-align:left'|Amended to Somapah Depot.
 |-
-|'''20 June'''
+|'''13 July'''
-|style='text-align:left'|Amended to ply CTE towards Sims Ave.
+|style='text-align:left'|Amended to ply Toa Payoh East, Kim Keat Ave, Toa Payoh East, Lor 7 Toa Payoh, Lor 6 Toa Payoh, Toa Payoh East, Lor 5 Toa Payoh and Lor 4 Toa Payoh.
 |-
-|1986
+|'''28 December'''
-|16 March
+|style='text-align:left'|Amended to ply Upp Changi Rd East, skipping Upp Changi Rd.
-|style='text-align:left'|Integrated with Service 77 and amended to ply Boundary Rd, Serangoon Ave 2 and Upp Serangoon Rd, skipping CTE and Braddell Rd.
 |-
-|'''1991'''
+|rowspan=3|Toa Payoh ↔ Somapah
-|'''6 January'''
+|'''1981'''
-|style='text-align:left'|Discontinued under TransitLink Network Integration Exercise Phase 1.
+|'''28 June'''
-|}
+|style='text-align:left'|Amended to Somapah Int.
-===3rd Generation (Current)===
-{{:Bus Service 162}}
-==Service 162X/162M (2001 - 2023)==
-{{:Bus Service 162M}}
-==Service 163 / Short-Trip 163A / Short-Trip 163B {{WAB}}==
-:{{:Bus Service 163}}
-==Service 163A (1971 - 1974)==
-{| class="toccolours bushist" border="1" cellpadding="3"
-|-class="PAST"
-!Operator
-!Route
-!Year
-!Date
-!Service changes
 |-
-!rowspan=2|UBC
+|'''1983'''
-!Sembawang Hills Dr ↔ Prince Edward (Apr - Oct 1971)
+|'''26 December'''
-|rowspan=2|1971
+|style='text-align:left'|Amended to Toa Payoh Int.
-|6 July
-|Introduced between Sembawang Hills Dr and Prince Edward Ter.
 |-
-!rowspan=2|Sembawang Hills Dr ↺ Tg Pagar Rd (Oct 1971 - 1974)
+|'''1986'''
-|4 October
+|'''7 December'''
-|Extended to loop at Tg Pagar Rd.
+|style='text-align:left'|Serves new bus stop before Bedok Sth Ave 3 along Upp East Coast Rd.
 |-
-!{{SBS}}
+|rowspan=5|Toa Payoh ↔ Marine Parade
-|1974
+|'''1989'''
-|3 February
+|'''27 August'''
-|Re-numbered Service 168 under 1974 Bus Rationalization.
+|style='text-align:left'|Shortened to Marine Parade Ter.
-|}
-==Service 163M (2008 - 2019) {{WAB}}==
-{{:Bus Service 163M}}
-==Service 164 (1971 - 1989)==
-{| class="toccolours bushist" border="1" cellpadding="3"
-|-class="PAST"
-!Operator
-!Year
-!Date
-!Service changes
 |-
-!rowspan=2|UBC
+|'''1992'''
-|1971
+|'''3 May'''
-|11 April
+|style='text-align:left'|Amended to ply Geylang East Ctrl and Paya Lebar Rd under TransitLink Network Integration Exercise Phase 7.
-|Introduced between Sembawang Rd End Ter and New Bridge Rd Ter under 1971 Bus Reorganisation.
-|-
-|1972
-|11 June
-|Amended to ply the extended Upp Cross St with the partial conversion of Havelock Rd to one-way traffic, skipping New Bridge Rd.
-|-
-!{{SBS}}
-|1973
-|1 November
-|Operations transferred to SBS.
-|-
-!rowspan=6|{{TIBS}}
-|1983
-|8 May
-|Operations transferred to TIBS.
-|-
-|rowspan=2|1987
-|6 June
-|Amended to the relocated New Bridge Rd Ter.
-|-
-|1 November
-|Amended to ply Eu Tong Sen St towards Sembawang Rd End Ter to facilitate the second stage of road expansion along New Bridge Rd.
-|-
-|1988
-|20 March
-|Amended to ply New Bridge Rd, skipping Upp Pickering St, Sth Bridge Rd and Neil Rd.
-|-
-|rowspan=2|1989
-|29 January
-|Serves relocated bus stop opposite Sri Mariamman Tp along Sth Bridge Rd, skipping a removed bus stop opposite Jamae Mque.
-|-
-|1 October
-|Discontinued.
-|}
-==Service 165 {{WAB}}==
-:{{:Bus Service 165}}
-==Service 166 (1971 - 1974)==
-{| class="toccolours bushist" border="1" cellpadding="3"
-|-class="PAST"
-!Operator
-!Year
-!Date
-!Service changes
-|-
-!UBC
-|1971
-|11 April
-|Introduced between Sembawang Rd End Ter and Nee Soon Rd (loop) under 1971 Bus Reorganisation.
-|-
-!{{SBS}}
-|1974
-|3 February
-|Discontinued under 1974 Bus Rationalisation.
-|}
-==Service 166 (since 1976) {{WAB}}==
-{{:Bus Service 166}}
-==Service 167 {{WAB}}==
-{{:Bus Service 167}}
-==Service 168 (1974 - 1989)==
-{| class="toccolours bushist" border="1" cellpadding="3"
-|-class="PAST"
-!Operator
-!Route
-!Year
-!Date
-!Service changes
-|-
-!rowspan=12|{{SBS}}
-!rowspan=2|Sembawang Hills Dr ↔ Tg Pagar Rd (1974 - 1976)
-|rowspan=2|1974
-|3 February
-|Re-numbered from Service 163A as a service between Sembawang Hills Dr and Tg Pagar Rd Ter under 1974 Bus Rationalisation.
-|-
-|24 February
-|Amended to ply Grange Rd, Orchard Blvd and Paterson Rd towards Sembawang Hills Dr with the conversion of Orchard Rd to one-way traffic.
-|-
-!Ang Mo Kio Ave 6 ↺ South Canal (1976 - 1978)
-|1976
-|15 February
-|Extended to Ang Mo Kio Ave 6 Ter and amended to Sth Canal Ter.
-|-
-!Ang Mo Kio Ave 6 ↺ Orchard Rd (1978 - 1979)
-|1978
-|29 December
-|Shortened to loop at Orchard Rd from Ang Mo Kio Ave 6 Ter and converted to semi-express service.
-|-
-!rowspan=7|Ang Mo Kio ↺ Orchard Rd (1979 - 1989)
-|rowspan=2|1979
-|12 August
-|Amended to Ang Mo Kio Ave 3 Ter.
-|-
-|15 October
-|Amended to ply Marymount Rd.
-|-
-|1981
-|5 July
-|Amended to Ang Mo Kio Ctrl 2 Ter.
-|-
-|1983
-|10 April
-|Amended to Ang Mo Kio Int.
-|-
-|rowspan=2|1987
-|rowspan=2|13 December
-|Serves new staggered bus stop outside Orchard Stn along Orchard Blvd, skipping the bus stop opposite Orchard Stn.
-|-
-|Serves new bus stop outside Newton Stn along Scotts Rd.
-|-
-|1989
-|11 June
-|Discontinued.
-|}
-==Service 168 / Short-Trip 168A {{WAB}}==
-{{:Bus Service 168}}
-==Service 169 / Short-Trip 169A / Short-Trip 169B {{WAB}}==
-{{:Bus Service 169}}
-==Service 170 {{WAB}} / Short-Trip 170A {{WAB}}==
-{{:Bus Service 170}}
-==Service 170X {{WAB}}==
-{{:Bus Service 170X}}
-==Service 171 {{WAB}}==
-{{:Bus Service 171}}
-==Service 172 {{WAB}}==
-{{:Bus Service 172}}
-==Service 173 {{WAB}}==
-{{:Bus Service 173}}
-==Service 174 {{WAB}} / Short-Trip 174A (2010) {{WAB}}==
-{{:Bus Service 174}}
-==Service 175 (1971 - 1991)==
-{| class="toccolours bushist" border="1" cellpadding="3"
-|-class="PAST"
-!Operator
-!Route
-!Year
-!Date
-!Service changes
-|-
-!UBC
-!rowspan=8|Upp Jurong Rd ↔ Prince Edward (1971 - 1983)
-|1971
-|11 April
-|Introduced between Upp Jurong Rd Ter and Prince Edward Ter under 1971 Bus Reorganisation.
-|-
-!rowspan=18|{{SBS}}
-|1974
-|8 December
-|Amended to ply Cecil St, skipping Robinson Rd.
-|-
-|1975
-|9 November
-|Amended to realigned Jurong Rd, skipping Old Jurong Rd.
-|-
-|rowspan=3|1979
-|11 February
-|Amended to ply the extended Shenton Way, Palmer Rd and Anson Rd, skipping Parsi Rd.
-|-
-|28 October
-|Amended to ply Sungei Rd towards Prince Edward Ter with the conversion of Rochor Canal Rd to one-way traffic.
-|-
-|30 December
-|Amended to ply Jln Anak Bt towards Prince Edward Ter with the partial conversion of Upp Bt Timah Rd to one-way traffic.
-|-
-|rowspan=2|1980
-|2 January
-|Amended to the relocated Upp Jurong Rd Ter along Jln Ahmad Ibrahim.
 |-
+|'''1993'''
 |{{TBC}}
-|Amended to ply Bt Timah Rd towards Upp Jurong Rd Ter, skipping Mackenzie Rd.
+|style='text-align:left'|Serves bus stop outside Eunos Stn along Sims Ave with the abolition of the bus stop after Eunos Cres.
 |-
-!rowspan=5|Pioneer Rd ↔ Prince Edward (1983 - 1987)
+|rowspan=2|'''1998'''
-|1983
+|rowspan=2|'''31 May'''
-|30 October
+|style='text-align:left'|Amended to Toa Payoh Temp Int.
-|Amended to Pioneer Rd Ter.
 |-
-|1984
+|style='text-align:left'|Serves new pair of bus stops outside and opposite Toa Payoh Swim Cplx along Lor 6 Toa Payoh.
-|20 October
-|Amended to ply Bt Batok East Ave 3, Bt Batok St 24, Bt Batok St 23 and interim road with the partial closure of Jurong Rd (between Bt Batok East Ave 3 and Bt Batok St 23).
-|-
-|rowspan=2|1985
-|17 March
-|Amended to ply Bt Batok Rd, Bt Batok West Ave 3, Bt Batok Ctrl and Bt Batok East Ave 3 with the partial closure of Jurong Rd.
-|-
-|30 November
-|Amended to ply along the new carriageway of Upp Jurong Rd (between Jln Boon Lay and Benoi Rd).
-|-
-|1986
-|4 May
-|Amended to skip Jurong Cres.
-|-
-!rowspan=2|Pioneer Rd ↔ Shenton Way (1987 - 1989)
-|1987
-|28 June
-|Amended to Shenton Way Ter.
-|-
-|rowspan=2|1989
-|23 July
-|Serves new pair of bus stops near Pioneer Rd along Tuas Rd.
 |-
-!Bukit Batok ↺ Tuas Rd (1989 - 1990)
+|rowspan=5|{{Bus/D|155|note=Toa Payoh ↺ Siglap Rd}}{{Bus/D|155A|PAST|note=Toa Payoh → Siglap Rd}}
-|6 November
+|rowspan=2|'''2001'''
-|Shortened to start from Bt Batok Int and loop at Tuas Rd.
+|rowspan=2|'''16 September'''
+|style='text-align:left'|Amended to loop at Siglap Rd from Toa Payoh Temp Int with the closure of Marine Parade Ter.
 |-
-!rowspan=2|Bukit Batok ↺ Jurong West St 91 (1990 - 1991)
+|style='text-align:left'|{{Bus/D|155A|PAST|note=Introduced from Toa Payoh Int to Siglap Rd (Opp Mandarin Gdns) as terminating trips after the last bus of Service 155 daily.}}
-|1990
-|7 July
-|Shortened to loop at Jurong West St 91, skipping Tuas Rd.
 |-
-|1991
+|'''2002'''
-|20 January
+|'''19 May'''
-|Discontinued under TransitLink Network Integration Exercise Phase 2.
+|style='text-align:left'|Amended to Toa Payoh Integrated Transport Hub.
-|}
-==Service 175 (1993 - 2005)==
-{| class="toccolours bushist" border="1" cellpadding="3"
-|-class="PAST"
-!Operator
-!Year
-!Date
-!Service changes
 |-
-!rowspan=4|{{SBS}}
+|rowspan=2|'''2003'''
-|1993
+|'''16 March'''
-|18 July
+|style='text-align:left'|Amended to ply Eunos Ave 5 and Eunos Rd 8 with the partial closure of Paya Lebar Rd to facilitate the construction of Paya Lebar station on the Circle Line.
-|Introduced between Lim Chu Kang Ter and Upp Bt Timah Rd (Loop).
 |-
-|1994
 |{{TBC}}
-|Amended to ply Sg Tengah Rd with the partial closure of Choa Chu Kang Rd.
+|style='text-align:left'|Serves new bus stop outside Victoria Sch along Marine Parade Rd.
 |-
-|1997
+|rowspan=6|{{Bus/D|155|note=Toa Payoh ↺ Siglap Rd}}{{Bus/D|155A|PAST|note=Toa Payoh ↺ Siglap Rd → Marine Parade Rd}}
-|{{TBC}}
+|'''2005'''
-|Serves new bus stop outside Lot 1 Shoppers' Mall along Choa Chu Kang Ave 4.
+|'''25 April'''
+|style='text-align:left'|{{Bus/D|155A|PAST|note=Extended to terminate at Marine Parade Rd (Victoria Sch).}}
 |-
-|1998
+|'''2009'''
-|{{TBC}}
+|'''23 August'''
-|Serves new pair of bus stops outside and opposite Blk 464 along Choa Chu Kang Ave 3.
+|style='text-align:left'|Amended to ply the reinstated Paya Lebar Rd, skipping Eunos Ave 5 and Eunos Rd 8.
 |-
-!rowspan=2|{{TIBS}}
+|'''2011'''
-|1999
+|'''26 June'''
-|26 December
+|style='text-align:left'|Serves new staggered bus stop outside Kong Hwa Sch along Circuit Rd, skipping the bus stop outside MacPherson Sec Sch.
-|Operations transferred to TIBS.
 |-
-|2001
+|'''2014'''
-|{{TBC}}
+|'''29 June'''
-|Serves new bus stop outside Sunshine Pl along Choa Chu Kang Ave 3.
+|style='text-align:left'|{{DWAB}}
 |-
-!{{SMB}}
+|'''2016'''
-|2005
+|'''16 October'''
-|27 February
+|style='text-align:left'|Serves the bus stop outside MacPherson Sec Sch along Circuit Rd with the abolition of the bus stop outside Kong Hwa Sch.
-|Amended to start from Bt Panjang Int, loop at Lim Chu Kang Rd and re-numbered Service 975, skipping Choa Chu Kang Int and Upp Bt Timah Rd.
-|}
-==Service 175 (since 2007) {{WAB}}==
-{{:Bus Service 175}}
-==Service 175A (1980 - 1983)==
-{| class="toccolours bushist" border="1" cellpadding="3"
-|-class="PAST"
-!Operator
-!Year
-!Date
-!Service changes
 |-
-!rowspan=2|{{SBS}}
+|rowspan=3|'''2017'''
-|1980
+|'''12 March'''
-|2 January
+|style='text-align:left'|Amended to ply Upp Serangoon Rd and the diverted Upp Aljunied Rd.
-|Introduced between Upp Jurong Rd Ter and Tuas Village (Loop).
 |-
-|1983
+|rowspan=4|Toa Payoh ↔ Bedok
-|30 October
+|rowspan=2|'''9 April'''
-|Discontinued.
+|style='text-align:left'|Extended to Bedok Int.
-|}
-==Service 176 (1971 - 1983)==
-{| class="toccolours bushist" border="1" cellpadding="3"
-|-class="PAST"
-!Operator
-!Route
-!Year
-!Date
-!Service changes
-|-
-!UBC
-!Corporation Dr ↔ Prince Edward (1971 - 1974)
-|1971
-|11 April
-|Introduced between Corporation Dr Ter and Prince Edward Ter under 1971 Bus Reorganisation.
-|-
-!rowspan=13|{{SBS}}
-!rowspan=4|Corporation Dr ↔ Crawford St (1974 - 1977)
-|rowspan=2|1974
-|3 February
-|Extended to Crawford St Ter under 1974 Bus Rationalisation.
-|-
-|8 December
-|Amended to ply the extended Robinson Rd, skipping Market St.
-|-
-|rowspan=2|1976
-|15 February
-|Serves new staggered bus stop between Bank of India and Hong Leong Holdings along Robinson Rd.
-|-
-|14 March
-|Serves new staggered bus stop outside The Cenotaph along Connaught Dr, skipping the bus stop opposite Singapore Cricket Club.
-|-
-!rowspan=2|Boon Lay Gardens ↔ Crawford St (1977 - 1978)
-|1977
-|28 March
-|Extended to Boon Lay Gdns Ter.
-|-
-|rowspan=2|1978
-|15 January
-|Amended to ply Jln Sultan and Beach Rd.
-|-
-!rowspan=2|Clementi ↔ Crawford St (1978 - 1979)
-|1 June
-|Shortened to Clementi Ter with the opening of Jurong Int.
 |-
-|rowspan=2|1979
+|style='text-align:left'|{{Bus/D|155A|PAST|note=Discontinued with the extension of Service 155 to Bedok Int.}}
-|11 February
-|Amended to ply the extended Shenton Way towards Clementi Ter, skipping Parsi Rd and Anson Rd.
 |-
-!rowspan=5|Clementi ↺ Empress Pl (1979 - 1983)
+|'''2019'''
-|25 November
+|'''14 April'''
-|Shortened to loop at Empress Pl from Clementi Ter.
+|style='text-align:left'|Serves a new pair of bus stops outside and opposite Blk 3 along Bedok Sth Ave 1.
 |-
-|1980
+|'''2021'''
-|16 November
+|'''12 December'''
-|Amended to Clementi Int.
+|style='text-align:left'|Serves new pair of bus stops before and after Heartbeat @ Bedok along Bedok Nth St 1.
-|-
-|rowspan=2|1981
-|21 June
-|Amended to skip Nepal Circus towards Empress Pl.
-|-
-|11 October
-|Serves new staggered bus stop outside Tunas Bldg along Anson Rd, skipping the bus stop outside Intl Plaza.
-|-
-|1983
-|26 December
-|Integrated with Service 146 and discontinued.
 |}
-==Service 176 (since 1988) {{WAB}}==
+==Service 155A==
-{{:Bus Service 176}}
+{| class="wikitable" style='text-align:center'
+!style={{CSS/PAST|xfc=|xbc=}}|Operator
-==Service 177 (1978 - 1988)==
+!style={{CSS/PAST|xfc=|xbc=}}|Route
-{| class="toccolours bushist" border="1" cellpadding="3"
+!style={{CSS/PAST|xfc=|xbc=}}|Year
-|-class="PAST"
+!style={{CSS/PAST|xfc=|xbc=}}|Date
-!Operator
+!style={{CSS/PAST|xfc=|xbc=}}|Service changes
-!Year
-!Date
-!Service changes
 |-
-!rowspan=4|{{SBS}}
+|rowspan=2|{{ABS}}
-|1978
+|Lor 1 Toa Payoh ↔ Bedok Rd
-|27 November
+|rowspan=2|'''1971'''
-|Introduced between Bt Timah Ter and Choa Chu Kang Rd End (Loop).
+|'''11 April'''
+|style='text-align:left'|Introduced between Lor 1 Toa Payoh Ter and Bedok Rd Ter.
 |-
-|1979
+|rowspan=3|Toa Payoh ↔ Bedok Rd
-|30 December
+|'''2 August'''
-|Amended to ply Jln Anak Bt towards Bt Timah Ter with the partial conversion of Upp Bt Timah Rd to one-way traffic.
+|style='text-align:left'|Amended to Toa Payoh Town Ctr Ter.
 |-
-|1987
+|rowspan=2|{{SBS}}
-|19 April
+|'''1973'''
-|Serves new staggered bus stop under the PIE Flyover along Jln Anak Bt, skipping the bus stop opposite Bt Timah Plaza.
+|'''1 July'''
+|style='text-align:left'|Operations transferred to Singapore Bus Services.
 |-
-|1988
+|'''1974'''
-|31 July
+|'''3 February'''
-|Discontinued.
+|style='text-align:left'|Re-numbered Service 135 under 1974 Bus Rationalization.
 |}
-==Service 177 (since 1989) {{WAB}} / Short-Trip 177A (2012 - 2016) {{WAB}}==
+==Service 156==
-{{:Bus Service 177}}
+===1<sup>st</sup> Generation (1971 - 1983)===
+{| class="wikitable" style='text-align:center'
-==Service 178 {{WAB}} / Short-Trip 178A {{WAB}}==
+!style={{CSS/PAST|xfc=|xbc=}}|Operator
-{{:Bus Service 178}}
+!style={{CSS/PAST|xfc=|xbc=}}|Route
+!style={{CSS/PAST|xfc=|xbc=}}|Year
-==Service 179 (1974 - 1983)==
+!style={{CSS/PAST|xfc=|xbc=}}|Date
-{| class="toccolours bushist" border="1" cellpadding="3"
+!style={{CSS/PAST|xfc=|xbc=}}|Service changes
-|-class="PAST"
-!Operator
-!Year
-!Date
-!Service changes
 |-
-!rowspan=4|{{SBS}}
+|rowspan=2|{{ABS}}
-|1974
+|Lor 1 Toa Payoh ↔ Upp Serangoon
-|3 February
+|rowspan=2|'''1971'''
-|Introduced between Lim Chu Kang Ter and Bt Timah Ter under 1974 Bus Rationalisation.
+|'''11 April'''
+|style='text-align:left'|Introduced between Lor 1 Toa Payoh Ter and Upp Serangoon Ter under 1971 Bus Reorganisation.
 |-
-|1978
+|rowspan=5|Toa Payoh ↔ Upp Serangoon
-|27 November
+|'''2 August'''
-|Amended to skip Choa Chu Kang Rd End with the introduction of Service 177.
+|style='text-align:left'|Amended to Toa Payoh Town Ctr Ter.
 |-
-|1979
+|rowspan=4|{{SBS}}
-|30 December
+|'''1973'''
-|Amended to ply Jln Anak Bt towards Bt Timah Ter with the partial conversion of Upp Bt Timah Rd to one-way traffic.
+|'''1 July'''
+|style='text-align:left'|Operations transferred to Singapore Bus Services.
 |-
-|1983
+|rowspan=3|'''1983'''
-|27 November
+|'''6 February'''
-|Discontinued.
+|style='text-align:left'|Amended to ply CTE towards Upp Serangoon Ter with the closure of temporary slip road between Braddell Rd and Lor Chuan.
-|}
-==Service 179 (1985 - 1990)==
-{| class="toccolours bushist" border="1" cellpadding="3"
-|-class="PAST"
-!Operator
-!Route
-!Year
-!Date
-!Service changes
 |-
-!rowspan=11|{{SBS}}
+|'''20 June'''
-!rowspan=6|Bukit Batok ↔ New Bridge Rd (1985 - 1988)
+|style='text-align:left'|Amended back to ply Lor Chuan towards Upp Serangoon Ter with the opening of new link road between Braddell Rd and Lor Chuan under Braddell Flyover.
-|1985
-|18 August
-|Introduced between Bt Batok Ter and New Bridge Rd Ter.
 |-
-|rowspan=4|1987
+|'''26 December'''
-|6 June
+|style='text-align:left'|Integrated with Service 153 and discontinued.
-|Amended to the relocated New Bridge Rd Ter.
-|-
-|rowspan=2|27 September
-|Amended to Bt Batok Int.
-|-
-|Amended to ply the extended Eu Tong Sen St towards Bt Batok Int to facilitate the first stage of road expansion along New Bridge Rd.
-|-
-|1 November
-|Amended to ply Eu Tong Sen St towards Bt Batok Int to facilitate the second stage of road expansion along New Bridge Rd.
-|-
-|rowspan=2|1988
-|20 March
-|Amended to ply Upp Cross St and New Bridge Rd, skipping Neil Rd.
-|-
-!rowspan=5|Choa Chu Kang ↔ New Bridge Rd (1988 - 1990)
-|18 December
-|Extended to Choa Chu Kang Ter and amended to ply Scotts Rd and Orchard Rd.
-|-
-|rowspan=4|1990
-|7 January
-|Serves new pair of bus stops outside and opposite Bt Batok Driving Ctr along Bt Batok West Ave 5.
-|-
-|10 March
-|Extended to interim terminal along Choa Chu Kang Ave 4.
-|-
-|8 April
-|Amended to Choa Chu Kang Int.
-|-
-|16 December
-|Integrated with Service 190 and discontinued.
 |}
-==Service 179 (1993 - 1999)==
+===2<sup>nd</sup> Generation (since 1993)===
-{| class="toccolours bushist" border="1" cellpadding="3"
+{| class="wikitable" style='text-align:center'
-|-class="PAST"
+!style='{{CSS/BUS|xfc=|xbc=}}'|Operator
-!Operator
+!style='{{CSS/BUS|xfc=|xbc=}}'|Route
-!Year
+!style='{{CSS/BUS|xfc=|xbc=}}'|Year
-!Date
+!style='{{CSS/BUS|xfc=|xbc=}}'|Date
-!Service changes
+!style='{{CSS/BUS|xfc=|xbc=}}'|Service changes
 |-
-!{{SBS}}
+|rowspan=21|{{SBST}}<br>'''(Current)'''<br>''Known as {{SBS}} prior to 1 November 2001''
-|1993
+|Serangoon ↔ Clementi
-|3 January
+|'''1993'''
-|Introduced between Choa Chu Kang Int and Fajar Rd (Loop) under TransitLink Network Integration Exercise Phase 11.
+|'''5 December'''
+|style='text-align:left'|Introduced between Serangoon Int and Clementi Int under TransitLink Network Integration Exercise Phase 14.
 |-
-!rowspan=2|{{TIBS}}
+|{{Bus/D|156|note=Serangoon ↔ Clementi}}{{Bus/D|156A|PAST|note=Serangoon → Bishan Rd}}
-|1995
+|'''2000'''
-|2 July
+|{{TBC}}
-|Operations transferred to TIBS.
+|style='text-align:left'|{{Bus/D|156A|PAST|note=Introduced from Serangoon Int to Bishan Rd (Bishan Stn) during morning peak hours on weekdays.}}
-|-
-|1999
-|26 December
-|Discontinued under Bukit Panjang LRT Rationalisation.
-|}
-==Service 179 (since 2001) {{WAB}}==
-{{:Bus Service 179}}
-==Service 179A {{WAB}}==
-{{:Bus Service 179A}}
-==Service 180 (April - May 1971)==
-{| class="toccolours bushist" border="1" cellpadding="3"
-|-class="PAST"
-!Operator
-!Year
-!Date
-!Service changes
-|-
-!rowspan=2|UBC
-|rowspan=2|1971
-|11 April
-|Introduced between Bt Timah Ter and Prince Edward Ter under 1971 Bus Reorganisation.
-|-
-|9 May
-|Integrated with Service 180A, amended to ply Stamford Rd, Waterloo St and Bras Basah Rd and re-numbered Service 180/180A.
-|}
-==Service 180 (1974 - 1991)==
-{| class="toccolours bushist" border="1" cellpadding="3"
-|-class="PAST"
-!Operator
-!Route
-!Year
-!Date
-!Service changes
-|-
-!rowspan=8|{{SBS}}
-!rowspan=3|Upp Bt Timah Rd ↔ Tg Pagar Rd (1974 - 1976)
-|rowspan=2|1974
-|3 February
-|Re-numbered from Service 180/180A as a service between Upp Bt Timah Rd Ter and Tg Pagar Ter under 1974 Bus Rationalisation.
-|-
-|8 December
-|Amended to ply Cecil St, skipping Robinson Rd.
-|-
-|1975
-|19 July
-|Amended to ply Coleman St and Hill St, skipping Stamford Rd.
-|-
-!rowspan=2|Marsiling ↔ Tg Pagar Rd (1976 - 1979)
-|1976
-|11 January
-|Extended to Admiralty Rd Ter.
-|-
-|rowspan=4|1979
-|11 February
-|Amended to ply the extended Shenton Way, Rambau St and Trafalgar St towards Tg Pagar Ter, skipping Parsi Rd.
-|-
-!rowspan=4|Marsiling ↔ Anson Rd (1979 - 1985)
-|1 August
-|Amended to Anson Rd Ter.
-|-
-|25 November
-|Amended to ply Pickering St and Church St, skipping Nth Canal Rd and Market St.
-|-
-|30 December
-|Amended to ply Jln Anak Bt towards Anson Rd Ter with the partial conversion of Upp Bt Timah Rd to one-way traffic.
-|-
-!rowspan=4|{{TIBS}}
-|1983
-|7 August
-|Operations transferred to TIBS.
-|-
-!rowspan=3|Marsiling ↔ World Trade Ctr (1985 - 1991)
-|1985
-|13 January
-|Extended to World Trade Ctr Ter.
-|-
-|1990
-|19 August
-|Amended to ply Bt Timah Rd, Sungei Rd, Bencoolen St, Orchard Rd, Penang Rd and Clemenceau Ave (towards World Trade Ctr Ter) / Orchard Rd, Dhoby Ghaut, Selegie Rd and Bt Timah Rd due to the partial closure of Clemenceau Ave to facilitate Phase 2 of the construction of CTE.
-|-
-|1991
-|6 January
-|Discontinued under TransitLink Network Integration Exercise Phase 1.
-|}
-==Service 180/180A (1971 - 1974)==
-{| class="toccolours bushist" border="1" cellpadding="3"
-|-class="PAST"
-!Operator
-!Year
-!Date
-!Service changes
-|-
-!UBC
-|1971
-|9 May
-|Re-numbered from Service 180 between Bt Timah Ter and Prince Edward Ter.
-|-
-!{{SBS}}
-|1974
-|3 February
-|Extended to Upp Bt Timah Rd Ter, extended to Tg Pagar Ter, amended to skip Stamford Rd, Waterloo St and Bras Basah Rd and re-numbered Service 180 under 1974 Bus Rationalisation.
-|}
-==Service 180A (1971 - 1974)==
-{| class="toccolours bushist" border="1" cellpadding="3"
-|-class="PAST"
-!Operator
-!Year
-!Date
-!Service changes
-|-
-!rowspan=2|UBC
-|rowspan=2|1971
-|11 April
-|Introduced between Bt Timah Ter and Stamford Rd (Loop) under 1971 Bus Reorganisation.
-|-
-|9 May
-|Integrated with Service 180 and discontinued.
-|}
-==Service 180 (since 1996) {{WAB}} / Short-Trip 180A {{WAB}}==
-{{:Bus Service 180}}
-==Service 181 (1971 - 1998)==
-{| class="toccolours bushist" border="1" cellpadding="3"
-|-class="PAST"
-!Operator
-!Route
-!Year
-!Date
-!Service changes
-|-
-!rowspan=4|UBC
-!rowspan=2|Bukit Timah ↔ Commonwealth Ave (Apr - Nov 1971)
-|rowspan=3|1971
-|11 April
-|Introduced between Bt Timah Ter and Commonwealth Ave Ter under 1971 Bus Reorganisation.
-|-
-|28 September
-|Amended to ply the extended Ganges Ave towards Bt Timah Ter.
-|-
-!rowspan=2|Upp Bt Timah Rd ↔ Commonwealth Ave (Nov 1971 - 1974)
-|8 November
-|Extended to Upp Bt Timah Rd Ter.
-|-
-|1972
-|11 June
-|Amended to ply Upp Cross St with the partial conversion of Havelock Rd to one-way traffic, skipping Upp Hokien St.
-|-
-!rowspan=4|{{SBS}}
-!rowspan=2|Upp Bt Timah Rd ↔ Crawford St (1974 - 1980)
-|1974
-|3 February
-|Extended to Crawford St Ter under 1974 Bus Rationalisation.
-|-
-|1979
-|30 December
-|Amended to ply Jln Anak Bt towards Crawford St Ter with the partial conversion of Upp Bt Timah Rd to one-way traffic.
-|-
-!rowspan=9|Woodlands Ctr ↔ Crawford St (1980 - 1996)
-|1980
-|14 December
-|Extended to Woodlands Town Ter.
-|-
-|1981
-|29 November
-|Amended to Woodlands Int.
-|-
-!rowspan=12|{{TIBS}}
-|1983
-|4 September
-|Operations transferred to TIBS.
-|-
-|rowspan=3|1987
-|27 September
-|Amended to ply the extended Eu Tong Sen St towards Crawford St Ter to facilitate the first stage of road expansion along New Bridge Rd.
-|-
-|1 November
-|Amended to ply Eu Tong Sen St towards Crawford St Ter to facilitate the second stage of road expansion along New Bridge Rd.
-|-
-|13 December
-|Serves new staggered bus stop opposite Peninsula Plaza along Nth Bridge Rd, skipping the bus stop outside St Andrew's Cath.
 |-
-|rowspan=2|1988
+|rowspan=4|Sengkang ↔ Clementi
-|28 February
+|rowspan=3|'''2001'''
-|Revised to operate on weekdays and Saturdays only with the introduction of Service 181#.
+|rowspan=3|'''29 July'''
+|style='text-align:left'|Extended to Sengkang Temp Int.
 |-
-|20 March
+|style='text-align:left'|{{Bus/D|156A|PAST|note=Discontinued with the extension of Service 156 to Sengkang Temp Int.}}
-|Amended to ply Upp Cross St and New Bridge Rd, skipping Neil Rd.
 |-
-|1990
+|style='text-align:left'|First bus from Clementi Int brought forward to 0530 hrs on weekdays and Saturdays.
-|22 July
-|Serves additional bus stop outside Ellenborough Mkt along Eu Tong Sen St.
 |-
-!rowspan=5|Woodlands ↔ Crawford St (1996 - 1998)
+|rowspan=2|'''2003'''
-|1996
+|'''18 January'''
-|4 February
+|style='text-align:left'|Amended to Sengkang Integrated Transport Hub.
-|Amended to Woodlands Reg Int.
 |-
-|rowspan=3|1997
+|{{Bus/D|156|note=Sengkang ↔ Clementi}}{{Bus/D|156A|PAST|note=Sengkang → Thomson Rd}}
 |{{TBC}}
-|First bus from Woodlands Reg Int brought forward to 0530 hrs.
+|style='text-align:left'|{{Bus/D|156A|PAST|note=Introduced from Sengkang Int to Thomson Rd (Mt Alvernia Hosp) during morning peak hours on weekdays.}}
 |-
+|Sengkang ↔ Clementi
+|'''2004'''
 |{{TBC}}
-|Serves additional bus stop after Jln Bt Merah along Kg Bahru Rd.
+|style='text-align:left'|{{Bus/D|156A|PAST|note=Discontinued.}}
-|-
-|7 December
-|Amended to ply Sth Bridge Rd, Neil Rd and Cantonment Rd with the partial closure of New Bridge Rd to facilitate the construction of Chinatown MRT station on the North East MRT Line.
-|-
-|1998
-|27 December
-|Extended to Lor 1 Geylang Ter and re-numbered Service 961.
-|}
-==Service 181 (since 2005) {{WAB}}==
-{{:Bus Service 181}}
-==Service 181#==
-{| class="toccolours bushist" border="1" cellpadding="3"
-|-class="PAST"
-!Operator
-!Route
-!Year
-!Date
-!Service changes
 |-
-!rowspan=7|{{TIBS}}
+|rowspan=2|{{Bus/D|156|note=Sengkang ↔ Clementi}}{{Bus/D|156A|PAST|note=Boundary Rd → Bishan Rd}}
-!rowspan=3|Woodlands Ctr ↔ Crawford St (1988 - 1996)
+|rowspan=2|'''2006'''
-|rowspan=2|1988
-|28 February
-|Introduced between Woodlands Int and Crawford St Ter as an alternate route of Service 181 via Marina Centre, operating on Sundays and Public Holidays.
-|-
-|20 March
-|Amended to ply Upp Cross St and New Bridge Rd, skipping Neil Rd.
-|-
-|1990
-|22 July
-|Serves additional bus stop outside Ellenborough Mkt along Eu Tong Sen St.
-|-
-!rowspan=4|Woodlands ↔ Crawford St (1996 - 1998)
-|1996
-|4 February
-|Amended to Woodlands Reg Int.
-|-
-|rowspan=2|1997
 |{{TBC}}
-|Serves additional bus stop after Jln Bt Merah along Kg Bahru Rd.
+|style='text-align:left'|{{Bus/D|156A|PAST|note=Introduced from Boundary Rd (Blk 257A) to Bishan Rd (Bishan Stn) during morning peak hours on weekdays.}}
 |-
-|7 December
+|'''29 October'''
-|Amended to ply Sth Bridge Rd, Neil Rd and Cantonment Rd with the partial closure of New Bridge Rd to facilitate the construction of Chinatown MRT station on the North East MRT Line.
+|style='text-align:left'|Amended to Clementi Temp Int.
 |-
-|1998
+|Sengkang ↔ Clementi
-|27 December
+|'''2008'''
-|Extended to Lor 1 Geylang Ter and re-numbered Service 961#.
-|}
-==Service 181M {{WAB}}==
-{{:Bus Service 181M}}
-==Service 182 (1971 - 1996)==
-{| class="toccolours bushist" border="1" cellpadding="3"
-|-class="PAST"
-!Operator
-!Route
-!Year
-!Date
-!Service changes
-|-
-!rowspan=3|UBC
-!Bukit Timah ↔ Jln Besi (Apr 1971 - 1971)
-|rowspan=2|1971
-|11 April
-|Introduced between Bt Timah Ter and Jln Besi Ter under 1971 Bus Reorganisation.
-|-
-!rowspan=2|Bukit Timah ↔ Benoi Rd (1971 - 1974)
 |{{TBC}}
-|Extended to Benoi Rd Ter.
+|style='text-align:left'|{{Bus/D|156A|PAST|note=Discontinued.}}
 |-
-|1972
+|rowspan=4|{{Bus/D|156|note=Sengkang ↔ Clementi}}{{Bus/D|156A|PAST|note=Sengkang → Thomson Rd}}
-|11 June
+|'''2009'''
-|Amended to ply the extended Upp Cross St with the partial conversion of Havelock Rd to one-way traffic, skipping New Bridge Rd.
+|'''2 January'''
+|style='text-align:left'|{{Bus/D|156A|PAST|note=Introduced from Sengkang Int to Thomson Rd (Opp Old Police Academy) during morning peak hours on weekdays.}}
 |-
-!rowspan=5|{{SBS}}
+|rowspan=3|'''2011'''
-!rowspan=3|Bukit Timah ↺ Shenton Way (1974 - 1976)
+|'''4 September'''
-|rowspan=3|1974
+|style='text-align:left'|Serves new bus stop outside Botanic Gdns Stn along Bt Timah Rd.
-|3 February
-|Amended to loop at Shenton Way from Bt Timah Ter under 1974 Bus Rationalisation.
 |-
-|24 February
+|'''26 September'''
-|Amended to ply Grange Rd, Orchard Blvd and Paterson Rd towards Bt Timah Ter with the conversion of Orchard Rd to one-way traffic.
+|style='text-align:left'|{{DWAB}}
 |-
-|8 December
+|'''26 November'''
-|Amended to ply Cecil St, skipping Robinson Rd.
+|style='text-align:left'|Amended to Clementi Integrated Transport Hub.
 |-
-!rowspan=10|Marsiling ↔ New Bridge Rd (1976 - 1993)
+|rowspan=4|Sengkang ↔ Clementi
-|1976
+|'''2013'''
-|6 June
+|'''8 April'''
-|Extended to Admiralty Rd Ter and amended to New Bridge Rd Ter.
+|style='text-align:left'|{{Bus/D|156A|PAST|note=Discontinued.}}
 |-
-|1979
+|'''2015'''
-|30 December
+|'''27 December'''
-|Amended to ply Jln Anak Bt towards New Bridge Rd Ter with the partial conversion of Upp Bt Timah Rd to one-way traffic.
+|style='text-align:left'|Serves additional bus stop opposite Sixth Ave Stn along Dunearn Rd.
-|-
-!rowspan=12|{{TIBS}}
-|1983
-|7 August
-|Operations transferred to TIBS.
-|-
-|rowspan=5|1987
-|6 June
-|Amended to the relocated New Bridge Rd Ter.
-|-
-|27 September
-|Amended to ply the extended Eu Tong Sen St towards Marsiling Ter to facilitate the first stage of road expansion along New Bridge Rd.
-|-
-|1 November
-|Amended to ply Eu Tong Sen St towards Marsiling Ter to facilitate the second stage of road expansion along New Bridge Rd.
-|-
-|rowspan=2|13 December
-|Serves new staggered bus stop outside Orchard Stn along Orchard Blvd, skipping the bus stop opposite Orchard Stn.
-|-
-|Serves new bus stop outside Newton Stn along Scotts Rd.
-|-
-|1988
-|20 March
-|Amended to ply Upp Cross St and New Bridge Rd, skipping Neil Rd.
-|-
-|1992
-|19 July
-|Amended to ply Orchard Lk due to the closure of Grange Rd to facilitate road expansion works.
-|-
-!rowspan=2|Marsiling ↔ Shenton Way (1993 - Feb 1996)
-|1993
-|3 January
-|Amended to Shenton Way Ter under TransitLink Network Integration Exercise Phase 7.
 |-
-|1995
+|'''2020'''
-|7 May
+|'''8 November'''
-|Amended to ply Orchard Turn.
+|style='text-align:left'|Skips the bus stop opposite SLF Cplx along Thomson Rd to facilitate the construction of the North-South Corridor (NSC).<ref>[//www.sbstransit.com.sg/news/changes-in-bus-stops-along-thomson-road-for-services-54-130-132-141-156-162-162m-166-and-851 "Changes in Bus Stops along Thomson Road for Services 54, 130, 132, 141, 156, 162, 162M, 166 and 851"] SBS Transit, 26 October 2020</ref>
 |-
-!rowspan=2|Woodlands ↔ Shenton Way (Feb - Mar 1996)
+|'''2023'''
-|rowspan=2|1996
+|'''23 July'''
-|4 February
+|style='text-align:left'|Amended to ply temporary slip road and Mt Pleasant Rd towards Sengkang Integrated Transport Hub with the temporary closure of slip road to PIE Exit 17D, serving new staggered bus stop after Mt Pleasant Rd along Thomson Rd.<ref>[//www.sbstransit.com.sg/news/route-amendments-for-services-132-and-156 "Route Amendments for Services 132 and 156"] SBS Transit, 7 July 2023</ref>
-|Amended to Woodlands Reg Int.
 |-
-|10 March
+|Buangkok ↔ Clementi
-|Discontinued under Woodlands MRT Rationalisation.
+|'''2024'''
+|'''1 December'''
+|style='text-align:left'|Shortened to Buangkok Integrated Transport Hub.<ref>[//www.sbstransit.com.sg/news/route-amendments-for-services-114-156-and-374 "Route Amendments for Services 114, 156 and 374"] SBS Transit, 1 November 2024</ref>
 |}
-==Service 182 (since 1998) {{WAB}} / Short-Trip 182A {{WAB}} / Service 182X/182M {{WAB}}==
+==Service 157==
-{{:Bus Service 182/182M}}
+{| class="wikitable" style='text-align:center'
+!style={{CSS/BUS|xfc=|xbc=}}|Operator
-==Service 183 (1974 - 1988)==
+!style={{CSS/BUS|xfc=|xbc=}}|Route
-{| class="toccolours bushist" border="1" cellpadding="3"
+!style={{CSS/BUS|xfc=|xbc=}}|Year
-|-class="PAST"
+!style={{CSS/BUS|xfc=|xbc=}}|Date
-!Operator
+!style={{CSS/BUS|xfc=|xbc=}}|Service changes
-!Route
-!Year
-!Date
-!Service changes
 |-
-!rowspan=8|{{SBS}}
+|rowspan=2|{{UBC}}
-!rowspan=2|Benoi Rd ↔ South Canal (1974 - 1978)
+|Lor 1 Toa Payoh ↔ Jln Samulun
-|1974
+|rowspan=2|'''1971'''
-|3 February
+|'''22 June'''
-|Introduced between Benoi Rd Ter and Sth Canal Ter under 1974 Bus Rationalisation.
+|style='text-align:left'|Introduced between Lor 1 Toa Payoh Ter and Jln Samulun Ter.
 |-
-|1975
+|rowspan=3|Toa Payoh ↔ Jln Samulun
-|2 February
+|'''2 August'''
-|Amended to ply new slip road from Tiong Bahru Rd to Outram Rd with the conversion of Seng Poh Rd to one-way traffic.
+|style='text-align:left'|Amended to Toa Payoh Town Ctr Ter.
 |-
-!rowspan=6|Jurong ↔ New Bridge Rd (1978 - 1988)
+|rowspan=26|{{SBST}}<br>'''(Current)'''<br>''Known as {{SBS}} prior to 1 November 2001''
-|1978
+|'''1973'''
-|1 June
+|'''1 July'''
-|Amended to Jurong Int and amended to New Bridge Rd Ter.
+|style='text-align:left'|Operations transferred to Singapore Bus Services.
 |-
-|rowspan=3|1987
+|'''1975'''
-|6 April
+|'''9 November'''
-|Skips removed bus stop before College Rd along Outram Rd.
+|style='text-align:left'|Amended to realigned Jurong Rd, skipping Old Jurong Rd.
 |-
-|6 June
+|rowspan=7|Toa Payoh ↔ Jurong
-|Amended to the relocated New Bridge Rd Ter.
+|'''1978'''
+|'''1 June'''
+|style='text-align:left'|Amended to Jurong Int.
 |-
-|1 November
+|'''1979'''
-|Amended to ply Eu Tong Sen St towards Jurong Int to facilitate the second stage of road expansion along New Bridge Rd.
+|'''30 December'''
+|style='text-align:left'|Amended to ply Jln Anak Bt towards Toa Payoh Town Ctr Ter with the partial conversion of Upp Bt Timah Rd to one-way traffic.
 |-
-|rowspan=2|1988
+|'''1983'''
-|11 January
+|'''26 December'''
-|Serves merged bus stop along Ayer Rajah Rd.
+|style='text-align:left'|Amended to Toa Payoh Int.
 |-
-|18 December
+|'''1984'''
-|Discontinued.
+|'''20 October'''
-|}
+|style='text-align:left'|Amended to ply Bt Batok East Ave 3, Bt Batok St 24, Bt Batok St 23 and interim road with the partial closure of Jurong Rd (between Bt Batok East Ave 3 and Bt Batok St 23).
-==Service 183 (1998 - 2002)==
-{| class="toccolours bushist" border="1" cellpadding="3"
-|-class="PAST"
-!Operator
-!Route
-!Year
-!Date
-!Service changes
 |-
-!rowspan=2|{{SBS}}
+|'''1985'''
-!Tuas ↺ Tuas South Ave 6 (1998 - 2001)
+|'''17 March'''
-|1998
+|style='text-align:left'|Amended to ply Bt Batok Rd, Bt Batok West Ave 3, Bt Batok Ctrl and Bt Batok East Ave 3 with the partial closure of Jurong Rd.
-|19 July
-|Introduced between Tuas Ter and Tuas Sth Ave 6 (Loop).
 |-
-!rowspan=2|Tuas ↺ Tuas South Ave 9 (2001 - 2002)
+|'''1987'''
-|2001
+|'''12 August'''
-|11 February
+|style='text-align:left'|Skips removed bus stop after Joan Rd along Lornie Rd.
-|Extended to loop at Tuas Sth Ave 9, skipping Tuas Sth Ave 6.
 |-
-!{{SBST}}
+|'''1989'''
-|2002
+|'''27 August'''
-|26 May
+|style='text-align:left'|Amended to ply Jurong East Ave 1, Jurong West Ave 1 and Corporation Rd, skipping Jln Ahmad Ibrahim.
-|Integrated with Service 182/182X and discontinued.
-|}
-==Service 183 (since 2004) {{WAB}} / Short-Trip 183A (2005 - 2012) {{WAB}} / 183B {{WAB}}==
-{{:Bus Service 183}}
-==Service 184 (1977 - 1990)==
-{| class="toccolours bushist" border="1" cellpadding="3"
-|-class="PAST"
-!Operator
-!Route
-!Year
-!Date
-!Service changes
 |-
-!rowspan=6|{{SBS}}
+|rowspan=10|Toa Payoh ↔ Boon Lay
-!Telok Blangah Way ↔ Boon Lay Gardens (1977 - 1978)
+|'''1990'''
-|1977
+|'''1 July'''
-|25 November
+|style='text-align:left'|Amended to Boon Lay Int.
-|Introduced between Telok Blangah Way Ter and Boon Lay Gdns Ter.
 |-
-!Telok Blangah Way ↔ Jurong (1978 - 1980)
+|'''1996'''
-|1978
+|{{TBC}}
-|1 June
+|style='text-align:left'|Serves new bus stop outside Blk 220 along Boon Lay Ave.
-|Amended to Jurong Int.
 |-
-!rowspan=4|Bukit Merah ↔ Jurong (1980 - 1990)
+|rowspan=2|'''1998'''
-|1980
+|rowspan=2|'''31 May'''
-|28 September
+|style='text-align:left'|Amended to the Toa Payoh Temp Int.
-|Amended to Bt Merah Int.
 |-
-|1981
+|style='text-align:left'|Serves new pair of bus stops outside and opposite Toa Payoh Swim Cplx along Lor 6 Toa Payoh.
-|15 February
-|Amended to skip Telok Blangah Way and Telok Blangah Cres in both directions.
-|-
-|1987
-|2 August
-|Amended to ply West Coast Highway, skipping Upp Ayer Rajah Rd and Clementi Rd.
-|-
-|1990
-|1 July
-|Integrated with Service 176 and discontinued with the opening of Boon Lay Int.
-|}
-==Service 184 (since 1994) {{WAB}} / Short-Trip 184A (2000 - 2003)==
-{{:Bus Service 184}}
-==Service 185 (1979 - 1985)==
-{| class="toccolours bushist" border="1" cellpadding="3"
-|-class="PAST"
-!Operator
-!Route
-!Year
-!Date
-!Service changes
-|-
-!rowspan=6|{{SBS}}
-!Clementi ↺ North Buona Vista Rd (Jul - Nov 1979)
-|rowspan=2|1979
-|16 July
-|Introduced between Clementi Ter and Nth Buona Vista Rd (Loop).
 |-
-!Clementi ↺ Bt Merah Ctrl (Nov 1979 - 1980)
+|'''2001'''
-|25 November
+|'''23 December'''
-|Extended to loop at Bt Merah Ctrl.
+|style='text-align:left'|Amended to ply Corporation Rd, Jurong West Ave 2 and Jln Boon Lay, skipping Boon Lay Ave.
 |-
-!rowspan=4|Clementi ↺ Bukit Merah (1980 - 1985)
+|'''2002'''
-|rowspan=2|1980
+|'''19 May'''
-|28 September
+|style='text-align:left'|Amended to the relocated Toa Payoh Integrated Transport Hub.
-|Extended to loop at Bt Merah Int.
 |-
-|16 November
+|'''2003'''
-|Amended to Clementi Int.
-|-
-|1981
-|21 June
-|Amended to skip Nepal Circus towards Bt Merah Int.
-|-
-|1985
-|28 April
-|Integrated with Service 92 and discontinued.
-|}
-==Service 185 (1988 - 2003)==
-{| class="toccolours bushist" border="1" cellpadding="3"
-|-class="PAST"
-!Operator
-!Route
-!Year
-!Date
-!Service changes
-|-
-!rowspan=8|{{SBS}}
-!rowspan=6|Choa Chu Kang ↔ Shenton Way (1988 - 1993)
-|rowspan=2|1988
-|31 July
-|Introduced between Choa Chu Kang Ter and Shenton Way Ter.
-|-
-|25 August
-|Amended to ply Choa Chu Kang Ave 1 with the completion of the road junction between Teck Whye Ave and Choa Chu Kang Ave 1.
-|-
-|1989
-|28 May
-|Amended to ply Commonwealth Ave.
-|-
-|rowspan=2|1990
-|10 March
-|Extended to interim terminal along Choa Chu Kang Ave 4.
-|-
-|8 April
-|Amended to Choa Chu Kang Int.
-|-
-|1991
-|28 April
-|Amended to ply Bt Batok East Ave 2 under TransitLink Network Integration Exercise Phase 4, skipping Bt Batok East Ave 3.
-|-
-!rowspan=6|Choa Chu Kang ↺ Jln Anak Bt (1993 - 2003)
-|1993
-|3 January
-|Shortened to loop at Jln Anak Bt from Choa Chu Kang Int with the introduction of Service 186 under TransitLink Network Integration Exercise Phase 11.
-|-
-|1997
 |{{TBC}}
-|Serves new bus stop outside Lot 1 Shoppers' Mall along Choa Chu Kang Ave 4.
+|style='text-align:left'|Serves new bus stop outside Goh & Goh Bldg along Jln Jurong Kechil.
 |-
-!rowspan=4|{{TIBS}}
+|'''2005'''
-|rowspan=2|1999
-|rowspan=2|29 August
-|Operations transferred to TIBS.
-|-
-|First bus brought forward to 0530 hrs on Sundays & Public Holidays.
-|-
-|rowspan=2|2003
 |{{TBC}}
-|Serves new bus stop outside Goh & Goh Bldg along Jln Jurong Kechil.
+|style='text-align:left'|Skips removed bus stop outside Muhajirin Mque along Braddell Rd.
 |-
-|27 July
+|'''2006'''
-|Integrated with Service 989 to form Service 985 and discontinued.
+|'''18 June'''
-|}
+|style='text-align:left'|Amended to Boon Lay Temp Int.
-==Service 185 (since 2006) {{WAB}}==
-{{:Bus Service 185}}
-==Service 186 (1977 - 1989)==
-{| class="toccolours bushist" border="1" cellpadding="3"
-|-class="PAST"
-!Operator
-!Route
-!Year
-!Date
-!Service changes
 |-
-!rowspan=8|{{SBS}}
+|'''2009'''
-!rowspan=2|Clementi ↔ Tg Pagar Rd (1977 - 1979)
+|'''27 December'''
-|1977
+|style='text-align:left'|Amended to Boon Lay Integrated Transport Hub.
-|7 November
-|Introduced between Clementi Ter and Tg Pagar Rd Ter.
 |-
-|1978
+|{{Bus/D|157|note=Toa Payoh ↔ Boon Lay}} {{Bus/D|157A|PAST|note=Boon Lay Int → Bt Batok Ctrl}}
-|5 June
+|rowspan=2|'''2010'''
-|Amended to relocated roadside terminus along Clementi Ave 3 via Commonwealth Ave West, skipping Clementi Ave 2.
+|'''18 September'''
+|style='text-align:left'|{{Bus/D|157A|PAST|note=Introduced from Boon Lay Int to Bt Batok Ctrl (Opp Blk 628) during the partial full day closure of the North South Line between Jurong East and Bukit Batok to facilitate the Jurong East Modification Project (JEMP) until 19 September 2010.}}
 |-
-!rowspan=2|Clementi ↔ Anson Rd (1979 - 1985)
+|rowspan=10|Toa Payoh ↔ Boon Lay
-|1979
+|'''20 September'''
-|1 August
+|style='text-align:left'|{{Bus/D|157A|PAST|note=Discontinued.}}
-|Amended to Anson Rd Ter.
 |-
-|1980
+|'''2012'''
-|16 November
+|'''9 December'''
-|Amended to Clementi Int.
+|style='text-align:left'|Amended to ply Upp Bt Timah Rd and Bt Timah Lk with the partial closure of Jln Jurong Kechil to facilitate the construction of Beauty World on the Downtown Line.
 |-
-!Clementi ↔ Prince Edward (1985 - 1987)
+|'''2013'''
-|1985
+|'''30 September'''
-|27 January
+|style='text-align:left'|{{DWAB}}
-|Amended to Prince Edward Ter with the closure of Anson Rd Ter.
 |-
-!rowspan=3|Clementi ↔ Shenton Way (1987 - 1989)
+|'''2014'''
-|1987
+|'''26 January'''
-|28 June
+|style='text-align:left'|Amended to ply the reinstated Jln Jurong Kechil, skipping Upp Bt Timah Rd and Bt Timah Lk.
-|Amended to Shenton Way Ter.
 |-
-|1988
+|'''2017'''
-|8 March
+|'''23 April'''
-|Amended to ply Clementi Ave 3 with the abolition of right turning from Clementi Ave 3 to Commonwealth Ave West.
+|style='text-align:left'|Serves relocated bus stop before PIE along Bt Batok Rd.
 |-
-|1989
+|'''2018'''
-|27 August
+|'''28 October'''
-|Integrated with Service 145 and discontinued.
+|style='text-align:left'|Amended to ply southbound Lornie Highway with the partial closure of Adam Rd.<ref>[//www.sbstransit.com.sg/news/lornie-highway-opening-changes-to-services-52-74-93-157-165-and-852-from-sun-28-oct "Lornie Highway Opening: Changes to Services 52, 74, 93, 157, 165 and 852 from Sun, 28 Oct"] SBS Transit, 17 October 2018</ref>
 |}
-==Service 186 (since 1993) {{WAB}}==
+==Service 158==
-{{:Bus Service 186}}
+{| class="wikitable" style='text-align:center'
+!style={{CSS/BUS|xfc=|xbc=}}|Operator
-==Service 187 (1981 - 1983)==
+!style={{CSS/BUS|xfc=|xbc=}}|Route
-{| class="toccolours bushist" border="1" cellpadding="3"
+!style={{CSS/BUS|xfc=|xbc=}}|Year
-|-class="PAST"
+!style={{CSS/BUS|xfc=|xbc=}}|Date
-!Operator
+!style={{CSS/BUS|xfc=|xbc=}}|Service changes
-!Year
-!Date
-!Service changes
 |-
-!rowspan=3|{{SBS}}
+|{{ABS}}
-|rowspan=2|1981
+|Toa Payoh ↔ Fidelio St
-|15 February
+|'''1971'''
-|Introduced as a day service between Bt Merah Int and Empress Pl (Loop).
+|'''8 August'''
+|style='text-align:left'|Introduced between Toa Payoh Town Ctr Ter and Fidelio St Ter.
 |-
-|19 May
+|rowspan=32|{{SBST}}<br>'''(Current)'''<br>''Known as {{SBS}} prior to 1 November 2001''
-|Converted to peak hour service on weekdays and Saturdays.
+|rowspan=4|Toa Payoh ↔ Chai Chee
+|rowspan=2|'''1973'''
+|rowspan=2|'''1 July'''
+|style='text-align:left'|Operations transferred to Singapore Bus Services.
 |-
-|1983
+|style='text-align:left'|Extended to Chai Chee Ter.
-|14 November
-|Discontinued.
-|}
-==Service 187 (since 1988) {{WAB}} / Short-Trip 187A (2003 - 2004)==
-{{:Bus Service 187}}
-==Service 188 (1977 - 1987)==
-{| class="toccolours bushist" border="1" cellpadding="3"
-|-class="PAST"
-!Operator
-!Year
-!Date
-!Service changes
 |-
-!rowspan=6|{{SBS}}
+|'''1974'''
-|1977
+|'''3 February'''
-|17 October
+|style='text-align:left'|Amended to skip Fidelio St under 1974 Bus Rationalisation.
-|Introduced between Ulu Pandan Ter and Shenton Way (Loop), replacing the deleted sectors of Service 94.
 |-
-|1979
+|'''1983'''
-|11 February
+|'''26 December'''
-|Amended to ply the extended Shenton Way towards Ulu Pandan Ter, skipping Parsi Rd and Anson Rd.
+|style='text-align:left'|Amended to Toa Payoh Int.
 |-
-|1980
+|Toa Payoh ↔ Bedok
-|20 January
+|'''1985'''
-|Amended to ply Spottiswoode Pk Rd with the partial conversion of Cantonment Rd to one-way traffic.
+|'''8 September'''
+|style='text-align:left'|Extended to Bedok Int with the closure of Chai Chee Ter.
 |-
-|1981
+|Serangoon ↔ Bedok
-|11 October
+|'''1990'''
-|Serves new staggered bus stop outside Tunas Bldg along Anson Rd, skipping the bus stop outside Intl Plaza.
+|'''4 February'''
+|style='text-align:left'|Amended to Serangoon Int.
 |-
-|rowspan=2|1987
+|rowspan=2|Serangoon ↺ Rhu Cross
-|6 April
+|'''1992'''
-|Skips removed bus stop before College Rd along Outram Rd.
+|'''3 May'''
+|style='text-align:left'|Shortened to loop at Tg Rhu Rd under TransitLink Network Integration Exercise Phase 7.
 |-
-|5 July
+|'''1998'''
-|Discontinued.
+|{{TBC}}
-|}
+|style='text-align:left'|Serves new bus stop opposite Costa Rhu Condo along Rhu Cross, skipping a pair of bus stops outside and opposite AMCOL along Tg Rhu Rd.
-==Service 188 (1988 - 1991)==
-{| class="toccolours bushist" border="1" cellpadding="3"
-|-class="PAST"
-!Operator
-!Route
-!Year
-!Date
-!Service changes
 |-
-!rowspan=4|{{SBS}}
+|rowspan=6|{{Bus/D|158|note=Serangoon ↺ Rhu Cross}} {{Bus/D|158A|note=Geylang Rd → Tg Rhu Rd}} {{Bus/D|158B|PAST|note=Tg Rhu Rd → Sims Ave}}
-!rowspan=2|Jurong ↺ Jurong West St 91 (1988 - 1990)
+|rowspan=2|'''2001'''
-|1988
+|rowspan=2 {{TBC}}
-|10 July
+|style='text-align:left'|{{Bus/D|158A|note=Introduced from Geylang Rd (Gay World Pk) to Tg Rhu Rd (Opp Dunman High Sch) during morning peak hours on weekdays.}}
-|Introduced between Jurong Int and Jurong West St 91 (Loop).
 |-
-|1989
+|style='text-align:left'|{{Bus/D|158B|PAST|note=Introduced from Tg Rhu Rd (Dunman High Sch) to Sims Ave (Aft Lor 1 Geylang) during evening peak hours on weekdays.}}
-|17 December
-|Amended to ply Jurong West St 72 and Jurong West Ave 5, skipping Pioneer Rd Nth.
 |-
-!rowspan=2|Corporation Dr ↺ Jurong West St 91 (1990 - 1991)
+|'''2003'''
-|1990
+|'''16 March'''
-|1 July
+|style='text-align:left'|Skips a pair of removed bus stops outside and opposite Camelot Condo along Tg Rhu Rd to facilitate the construction of KPE.
-|Amended to start/terminate at Corporation Dr with the opening of Boon Lay Int.
 |-
-|1991
+|rowspan=3|'''2004'''
-|20 January
+|'''27 April'''
-|Discontinued under TransitLink Network Integration Exercise Phase 2.
+|style='text-align:left'|Amended to ply Geylang Rd, Kallang Rd and Sims Ave towards Serangoon Int with the temporary conversion of Lor 1 Geylang to one-way traffic.
-|}
-==Service 188 (since 1999) {{WAB}} / Short-Trip 188A (July - September 2010)==
-{{:Bus Service 188}}
-==Service 189 / Short-Trip 189A {{WAB}}==
-{{:Bus Service 189}}
-==Service 189A (2001 - 2003)==
-{| class="toccolours bushist" border="1" cellpadding="3"
-|-class="PAST"
-!Operator
-!Year
-!Date
-!Service changes
 |-
-!rowspan=2|{{TIBS}}
+|{{TBC}}
-|2001
+|style='text-align:left'|Serves additional pair of bus stops outside Serangoon Stn along Serangoon Ctrl.
-|15 April
-|Introduced between Bt Batok Int and Harbour Dr (Loop), operating at selected timings only.
-|-
-|2003
-|4 May
-|Discontinued.
-|}
-==Service 190 (April - May 1971)==
-{| class="toccolours bushist" border="1" cellpadding="3"
-|-class="PAST"
-!Operator
-!Year
-!Date
-!Service changes
-|-
-!rowspan=2|ABC
-|rowspan=2|1971
-|11 April
-|Introduced between Delta Circus Ter and Sth Canal Ter under 1971 Bus Reorganisation.
-|-
-|25 April
-|Integrated with Service 193/193A and discontinued.
-|}
-==Service 190 (1974 - 1979)==
-{| class="toccolours bushist" border="1" cellpadding="3"
-|-class="PAST"
-!Operator
-!Year
-!Date
-!Service changes
-|-
-!rowspan=7|{{SBS}}
-|rowspan=3|1974
-|3 February
-|Re-numbered from Service 191A between Jln Bt Merah Ter and Prince Edward Ter under 1974 Bus Rationalisation.
 |-
-|24 February
+|'''6 December'''
-|Amended to ply Grange Rd, Orchard Blvd and Paterson Rd towards Jln Bt Merah Ter with the conversion of Orchard Rd to one-way traffic.
+|style='text-align:left'|Amended to ply the reinstated Lor 1 Geylang towards Serangoon Int, skipping Geylang Rd, Kallang Rd and Sims Ave.
 |-
-|8 December
+|rowspan=2|{{Bus/D|158|note=Serangoon ↺ Rhu Cross}} {{Bus/D|158A|note=Aljunied Rd → Tg Rhu Rd}} {{Bus/D|158B|PAST|note=Tg Rhu Rd → Sims Ave}}
-|Amended to ply Cecil St, skipping Robinson Rd.
+|rowspan=4|'''2005'''
+|rowspan=2|'''5 June'''
+|style='text-align:left'|Amended to ply Sims Way with the partial closure of southbound Mountbatten Rd due to the construction of Paya Lebar station along the Circle Line.
 |-
-|1976
+|style='text-align:left'|{{Bus/D|158A|note=Amended to start from Aljunied Rd (Aljunied Stn).}}
-|14 March
-|Serves new staggered bus stop outside The Cenotaph along Connaught Dr, skipping the bus stop opposite Singapore Cricket Club.
 |-
-|1977
+|rowspan=2|{{Bus/D|158|note=Serangoon ↺ Rhu Cross}} {{Bus/D|158A|note=Aljunied Rd → Tg Rhu Rd}} {{Bus/D|158B|PAST|note=Tg Rhu Rd → Aljunied Rd}}
-|19 June
+|rowspan=2|'''26 June'''
-|Amended to ply Orchard Blvd and Grange Rd towards Jln Bt Merah Ter with the full conversion of Orchard Rd to one-way traffic.
+|style='text-align:left'|Amended to ply Sims Way with the partial closure of northbound Mountbatten Rd due to the construction of Mountbatten station along the Circle Line.
 |-
-|rowspan=2|1979
+|style='text-align:left'|{{Bus/D|158B|PAST|note=Amended to terminate Aljunied Rd (Opp Aljunied Stn).}}
-|11 February
-|Amended to ply the extended Shenton Way, Palmer Rd and Anson Rd, skipping Parsi Rd.
-|-
-|25 November
-|Integrated with Service 14 and discontinued.
-|}
-==Service 190 (since 1988) / Short-Trip 190A {{WAB}}==
-{{:Bus Service 190}}
-==Service 191 (1971 - 1983)==
-{| class="toccolours bushist" border="1" cellpadding="3"
-|-class="PAST"
-!Operator
-!Route
-!Year
-!Date
-!Service changes
 |-
-!STC
+|Serangoon ↺ Rhu Cross
-!rowspan="6"|Ulu Pandan ↔ Prince Edward (1971 - 1977)
+|'''2006'''
-|rowspan="2"|1971
+|'''20 November'''
-|11 April
+|style='text-align:left'|{{Bus/D|158A|note={{Bus/D|158B|PAST|note=Temporary suspension of services due to the temporary relocation of Dunman High Sch to facilitate renovation works.}}}}
-|Introduced between Ulu Pandan Ter and Prince Edward Ter under 1971 Bus Reorganisation.
 |-
-!ABS
+|rowspan=4|{{Bus/D|158|note=Serangoon ↺ Rhu Cross}} {{Bus/D|158A|note=Aljunied Rd → Tg Rhu Rd}} {{Bus/D|158B|PAST|note=Tg Rhu Rd → Aljunied Rd}}
-|6 December
+|rowspan=3|'''2009'''
-|Operations transferred to ABS.
+|'''2 January'''
+|style='text-align:left'|{{Bus/D|158A|note={{Bus/D|158B|PAST|note=Services reinstated with the re-opening of Dunman High Sch at its original site.}}}}
 |-
-!rowspan="11"|{{SBS}}
+|'''8 March'''
-|rowspan="2"|1974
+|style='text-align:left'|Skips a pair of bus stops outside and opposite Bartley Sec Sch with the realignment of the junction of Upp Paya Lebar Rd and Bartley Rd.
-|24 February
-|Amended to ply Grange Rd, Orchard Blvd and Paterson Rd towards Ulu Pandan Ter with the conversion of Orchard Rd to one-way traffic.
 |-
-|8 December
+|'''22 November'''
-|Amended to ply Cecil St, skipping Robinson Rd.
+|style='text-align:left'|Serves new pair of bus stops outside and opposite MacPherson Stn along Circuit Lk.
 |-
-|1976
+|rowspan=4|'''2011'''
-|14 March
+|'''26 June'''
-|Serves new staggered bus stop outside The Cenotaph along Connaught Dr, skipping the bus stop opposite Singapore Cricket Club.
+|style='text-align:left'|Amended to ply Lor Bengkok with the closure of Circuit Lk to facilitate the construction of MacPherson station on the Downtown Line.
 |-
-|rowspan="2"|1977
+|rowspan=7|{{Bus/D|158|note=Serangoon ↺ Rhu Cross}} {{Bus/D|158A|note=Aljunied Rd ↺ Rhu Cross → Aljunied Rd}}
-|19 June
+|rowspan=2|'''1 August'''
-|Amended to ply Orchard Blvd and Grange Rd towards Ulu Pandan Ter with the full conversion of Orchard Rd to one-way traffic.
+|style='text-align:left'|{{Bus/D|158A|note=Integrated with Short Trip 158B, amended to loop at Rhu Cross and extended to operate during evening peak hours on weekdays.}}
 |-
-!rowspan="4"|Clementi ↔ Prince Edward (1977 - Jun 1981)
+|style='text-align:left'|{{Bus/D|158B|PAST|note=Integrated with Short Trip 158A and discontinued.}}
-|1 August
-|Extended to Clementi Ter.
 |-
-|1978
+|'''3 September'''
-|5 June
+|style='text-align:left'|Amended to Serangoon Integrated Transport Hub.
-|Amended to relocated terminus along Clementi Ave 3.
 |-
-|1979
+|'''2013'''
-|11 February
+|'''31 March'''
-|Amended to ply the extended Shenton Way, Palmer Rd and Anson Rd, skipping Parsi Rd.
+|style='text-align:left'|{{DWAB}}<ref>[//www.sbstransit.com.sg/news/sbs-transit-rolls-out-nine-new-wheelchair-accessible-bus-services "SBS Transit Rolls Out Nine New Wheelchair Accessible Bus Services"] SBS Transit, 25 March 2013</ref>
 |-
-|1980
+|'''2014'''
-|16 November
+|'''10 August'''
-|Amended to Clementi Int.
+|style='text-align:left'|Serves new bus stop opposite Blk 2 along Mountbatten Rd.
 |-
-!Clementi ↺ North Bridge Rd (Jun - Sep 1981)
+|'''2016'''
-|rowspan="2"|1981
+|'''16 October'''
-|15 June
+|style='text-align:left'|Amended to ply the reinstated Circuit Lk, skipping Lor Bengkok.
-|Shortened to loop at Nth Bridge Rd from Clementi Int with the introduction of Service 75, skipping Shenton Way.
 |-
-!rowspan="2"|Clementi ↺ Nicoll Highway (Sep 1981 - 1983)
+|'''2024'''
-|20 September
+|'''28 April'''
-|Extended to loop at Nicoll Highway.
+|style='text-align:left'|Serves new bus stops outside Tg Rhu Stn along Tg Rhu Rd.<ref>[//www.sbstransit.com.sg/Uploads/Poster%20-%20Services%2011%20&%20158%20to%20call%20new%20bus%20stops%20along%20Tanjong%20Rhu%20Road.pdf "Services 11 and 158 to call at new bus stops along Tanjong Rhu Road"] SBS Transit, 17 April 2024</ref>
-|-
-|1983
-|30 October
-|Integrated with Service 7 and discontinued.
 |}
-==Service 191 (since 1988) {{WAB}}==
+==Service 159==
-{{:Bus Service 191}}
+===1<sup>st</sup> Generation (1971 - 1974)===
+{| class="wikitable" style='text-align:center'
-==Service 191A (1971 - 1974)==
+!style={{CSS/PAST|xfc=|xbc=}}|Operator
-{| class="toccolours bushist" border="1" cellpadding="3"
+!style={{CSS/PAST|xfc=|xbc=}}|Route
-|-class="PAST"
+!style={{CSS/PAST|xfc=|xbc=}}|Year
-!Operator
+!style={{CSS/PAST|xfc=|xbc=}}|Date
-!Route
+!style={{CSS/PAST|xfc=|xbc=}}|Service changes
-!Year
-!Date
-!Service changes
 |-
-!rowspan="2"|STC
+|rowspan=2|{{UBC}}
-!Commonwealth Ave ↔ Prince Edward (Apr - May 1971)
+|rowspan=4|Toa Payoh Town Ctr ↔ Outram Pk
-|rowspan="3"|1971
+|'''1971'''
-|11 April
+|'''11 August'''
-|Introduced between Commonwealth Ave Ter and Prince Edward Ter under 1971 Bus Reorganisation.
+|style='text-align:left'|Introduced between Toa Payoh Town Ctr Ter and Outram Pk Ter.
 |-
-!rowspan="3"|Henderson Rd ↔ Prince Edward (May 1971 - 1974)
+|rowspan=2|'''1973'''
-|2 May
+|'''11 March'''
-|Shortened to Jln Bt Merah Ter.
+|style='text-align:left'|Amended to ply Zion Rd and Hoot Kiam Rd towards Toa Payoh Town Ctr Ter with the partial conversion of Kim Seng Rd and Irwell Bank Rd to one-way traffic.
 |-
-!ABS
+|rowspan=2|{{SBS}}
-|6 December
+|'''1 July'''
-|Operations transferred to ABS.
+|style='text-align:left'|Operations transferred to Singapore Bus Services.
 |-
-!{{SBS}}
+|'''1974'''
-|1974
+|'''3 February'''
-|3 February
+|style='text-align:left'|Integrated with Service 151 and discontinued under 1974 Bus Rationalisation.
-|Re-numbered Service 190 under 1974 Bus Rationalisation.
 |}
-==Service 192 (1971 - 1974)==
+===2<sup>nd</sup> Generation (since 1977)===
-{| class="toccolours bushist" border="1" cellpadding="3"
+{| class="wikitable" style='text-align:center'
-|-class="PAST"
+!style={{CSS/BUS|xfc=|xbc=}}|Operator
-!Operator
+!style={{CSS/BUS|xfc=|xbc=}}|Route
-!Year
+!style={{CSS/BUS|xfc=|xbc=}}|Year
-!Date
+!style={{CSS/BUS|xfc=|xbc=}}|Date
-!Service changes
+!style={{CSS/BUS|xfc=|xbc=}}|Service changes
 |-
-!ABC
+|rowspan=20|{{SBST}}<br>'''(Current)'''<br>''Known as {{SBS}} prior to 1 November 2001''
-|1971
+|Toa Payoh ↔ Ang Mo Kio Ave 6
-|11 April
+|'''1977'''
-|Introduced between Commonwealth Ave Ter and Sth Canal Ter under 1971 Bus Reorganisation.
+|'''25 April'''
+|style='text-align:left'|Introduced between Toa Payoh Town Ctr Ter and Ang Mo Kio Ave 6 Ter.
 |-
-!{{SBS}}
+|rowspan=7|Toa Payoh ↺ Ang Mo Kio
-|1974
+|'''1980'''
-|3 February
+|'''6 January'''
-|Discontinued under 1974 Bus Rationalisation.
+|style='text-align:left'|Amended to loop at Ang Mo Kio Ave 3 via Ang Mo Kio Ave 8.
-|}
-==Service 192 (1974 - 1988)==
-{| class="toccolours bushist" border="1" cellpadding="3"
-|-class="PAST"
-!Operator
-!Route
-!Year
-!Date
-!Service changes
 |-
-!rowspan="5"|{{SBS}}
+|rowspan=3|'''1983'''
-!rowspan="2"|Pasir Panjang Rd ↔ South Canal (1974 - 1979)
+|'''6 February'''
-|1974
+|style='text-align:left'|Amended to ply CTE towards Ang Mo Kio Ave 3 with the closure of temporary slip road between Braddell Rd and Lor Chuan.
-|3 February
-|Re-numbered from Service 192A as a service between Pasir Panjang Rd Ter and Sth Canal Ter under 1974 Bus Rationalisation.
 |-
-|rowspan="2"|1979
+|'''10 April'''
-|11 November
+|style='text-align:left'|Amended to loop at Ang Mo Kio Int.
-|Amended to ply Ganges Ave towards Pasir Panjang Rd Ter with the realignment of Delta Circus.
 |-
-!rowspan="3"|Jurong ↔ South Canal (1979 - 1988)
+|'''26 December'''
-|16 December
+|style='text-align:left'|Amended to Toa Payoh Int.
-|Extended to Jurong Int.
 |-
-|1982
+|'''1989'''
-|24 May
+|'''5 March'''
-|Amended to ply West Coast Highway.
+|style='text-align:left'|Amended to ply Lor Chuan towards Ang Mo Kio Int, skipping CTE.
 |-
-|1988
+|rowspan=2|'''1998'''
-|18 December
+|rowspan=2|'''31 May'''
-|Integrated with Service 51 and discontinued.
+|style='text-align:left'|Amended to Toa Payoh Temp Int.
-|}
-==Service 192 (since 1989) {{WAB}}==
-{{:Bus Service 192}}
-==Service 192A (1971 - 1974)==
-{| class="toccolours bushist" border="1" cellpadding="3"
-|-class="PAST"
-!Operator
-!Route
-!Year
-!Date
-!Service changes
 |-
-!rowspan="4"|ABC
+|style='text-align:left'|Serves new pair of bus stops outside and opposite Toa Payoh Swim Cplx along Lor 6 Toa Payoh.
-!Clementi Rd ↔ South Canal (Apr - Sep 1971)
-|rowspan="3"|1971
-|11 April
-|Introduced between Clementi Rd Ter and Sth Canal Ter under 1971 Bus Reorganisation.
 |-
-!rowspan="4"|Pasir Panjang Rd ↔ South Canal (Sep 1971 - 1974)
+|Toa Payoh ↔ Sengkang
-|14 September
+|rowspan=3|'''2001'''
-|Amended to Pasir Panjang Rd Ter.
+|'''18 February'''
+|style='text-align:left'|Extended to Sengkang Ter.
 |-
-|28 September
+|rowspan=3|{{Bus/D|159|note=Toa Payoh ↔ Sengkang}} {{Bus/D|159A|PAST|note=Sengkang → Ang Mo Kio Ave 8}}
-|Amended to ply the extended Ganges Ave towards Sth Canal Ter.
+|'''19 February'''
+|style='text-align:left'|{{Bus/D|159A|PAST|note=Introduced from Sengkang Ter to Ang Mo Kio Ave 8 (Opp Blk 710) during morning peak hours on weekdays.}}
 |-
-|1972
+|'''28 April'''
-|11 June
+|style='text-align:left'|Amended to Sengkang Temp Int.
-|Amended to ply Upp Cross St with the partial conversion of Havelock Rd to one-way road, skipping Upp Hokien St.
 |-
-!{{SBS}}
+|'''2002'''
-|1974
+|'''19 May'''
-|3 February
+|style='text-align:left'|Amended to Toa Payoh Integrated Transport Hub.
-|Re-numbered Service 192 under 1974 Bus Rationalisation.
-|}
-==Service 193 (1971 - 1991)==
-{| class="toccolours bushist" border="1" cellpadding="3"
-|-class="PAST"
-!Operator
-!Route
-!Year
-!Date
-!Service changes
 |-
-!rowspan="5"|ABC
+|{{Bus/D|159|note=Toa Payoh ↺ Sengkang}} {{Bus/D|159A|PAST|note=Sengkang → Ang Mo Kio Ave 8}}
-!Commonwealth Ave ↔ South Canal (Apr 1971)
+|'''2003'''
-|rowspan="4"|1971
+|'''18 January'''
-|11 April
+|style='text-align:left'|Amended to loop at Sengkang Integrated Transport Hub from Toa Payoh Int.
-|Introduced between Commonwealth Ave Ter and Sth Canal Ter under 1971 Bus Reorganisation.
 |-
-!rowspan="2"|Commonwealth Ave ↺ Tg Pagar Rd (Apr - Nov 1971)
+|rowspan=2|Sengkang ↔ Toa Payoh
-|25 April
+|rowspan=2|'''2005'''
-|Integrated with Service 190 and extended to loop at Tg Pagar Rd from Commonwealth Ave Ter.
+|rowspan=2 {{TBC}}
+|style='text-align:left'|Amended to terminate at Sengkang Integrated Transport Hub.
 |-
-|28 September
+|style='text-align:left'|{{Bus/D|159A|PAST|note=Discontinued.}}
-|Amended to ply the extended Ganges Ave towards Tg Pagar Rd.
 |-
-!rowspan="2"|Bukit Timah ↺ Tg Pagar Rd (Nov 1971 - 1974)
+|{{Bus/D|159|note=Sengkang ↔ Toa Payoh}} {{Bus/D|159A|note=Sengkang → Ang Mo Kio Ave 8}}
-|4 November
+|'''2009'''
-|Extended to Bt Timah Ter.
+|'''6 April'''
-|-
+|style='text-align:left'|{{Bus/D|159A|note=Introduced from Sengkang Int to Ang Mo Kio Ave 8 (Opp Blk 710) during morning peak hours on weekdays.}}
-|1972
-|11 June
-|Amended to ply the extended Upp Cross St with the partial conversion of Havelock Rd to one-way traffic, skipping New Bridge Rd.
-|-
-!rowspan="12"|{{SBS}}
-!rowspan="2"|Bukit Timah ↔ Tg Pagar Rd (1974 - 1976)
-|rowspan="2"|1974
-|3 February
-|Amended to terminate at Tg Pagar Ter under 1974 Bus Rationalisation.
-|-
-|8 December
-|Amended to ply Cecil St, skipping Robinson Rd.
-|-
-!rowspan="2"|Upp Bt Timah Rd ↔ Tg Pagar Rd (1976 - 1979)
-|1976
-|{{TBC}}
-|Extended to Upp Bt Timah Rd Ter.
-|-
-|rowspan="5"|1979
-|11 February
-|Amended to ply the extended Shenton Way, Rambau St and Trafalgar St towards Tg Pagar Ter, skipping Parsi Rd.
-|-
-!rowspan="4"|Upp Bt Timah Rd ↔ Anson Rd (1979 - 1980)
-|1 August
-|Amended to Anson Rd Ter.
-|-
-|11 November
-|Amended to ply Ganges Ave towards Upp Bt Timah Rd Ter with the realignment of Delta Circus.
-|-
-|25 November
-|Amended to ply Pickering St and Church St, skipping Nth Canal Rd and Market St.
-|-
-|30 December
-|Amended to ply Jln Anak Bt towards Anson Rd Ter with the partial conversion of Upp Bt Timah Rd to one-way traffic.
-|-
-!Princess Elizabeth ↔ Anson Rd (1980 - 1985)
-|1980
-|14 December
-|Amended to Princess Elizabeth Ter.
-|-
-!Princess Elizabeth ↔ Prince Edward (1985 - 1987)
-|1985
-|27 January
-|Amended to Prince Edward Ter with the closure of Anson Rd Ter.
-|-
-!rowspan="2"|Princess Elizabeth ↔ Shenton Way (1987 - 1991)
-|1987
-|28 June
-|Amended to Shenton Way Ter.
-|-
-|1991
-|28 April
-|Discontinued under TransitLink Network Integration Exercise Phase 4.
-|}
-==Service 193 (since 1995) {{WAB}}==
-{{:Bus Service 193}}
-==Service 193A (1971 - 1974)==
-{| class="toccolours bushist" border="1" cellpadding="3"
-|-class="PAST"
-!Operator
-!Route
-!Year
-!Date
-!Service changes
-|-
-!rowspan="3"|ABC
-!Commonwealth Ave ↔ South Canal (Apr 1971)
-|rowspan="2"|1971
-|18 April
-|Introduced between Commonwealth Ave Ter and Sth Canal Ter.
-|-
-!rowspan="3"|Commonwealth Ave ↺ Tg Pagar Rd (Apr 1971 - 1974)
-|25 April
-|Integrated with Service 190 and extended to loop at Tg Pagar Rd from Commonwealth Ave Ter.
-|-
-|1972
-|11 June
-|Amended to ply the extended Upp Cross St with the partial conversion of Havelock Rd to one-way traffic, skipping New Bridge Rd.
-|-
-!{{SBS}}
-|1974
-|3 February
-|Amended to Sth Canal Ter and re-numbered Service 189 under 1974 Bus Rationalisation.
-|}
-==Service 194 (1971 - 1993)==
-{| class="toccolours bushist" border="1" cellpadding="3"
-|-class="PAST"
-!Operator
-!Year
-!Date
-!Service changes
-|-
-!ABC
-|1971
-|11 April
-|Introduced between Sth Canal Ter and Yong Siak St (Loop) under 1971 Bus Reorganisation.
-|-
-!rowspan="6"|{{SBS}}
-|1975
-|2 February
-|Amended to ply new slip road from Tiong Bahru Rd to Outram Rd with the conversion of Seng Poh Rd to one-way traffic.
-|-
-|1976
-|28 March
-|Amended to ply Kim Pong Rd, skipping Seng Poh Rd and Lim Liak St.
-|-
-|rowspan="2"|1987
-|6 April
-|Skips removed bus stop before College Rd along Outram Rd.
-|-
-|1 November
-|Amended to ply Eu Tong Sen St to facilitate the second stage of road expansion along New Bridge Rd.
-|-
-|1988
-|20 March
-|Amended to ply New Bridge Rd, skipping Sth Bridge Rd and Neil Rd.
-|-
-|1993
-|4 April
-|Discontinued under TransitLink Network Integration Exercise Phase 12.
-|}
-==Service 194 (since 1995) {{WAB}}==
-{{:Bus Service 194}}
-==Service 195 {{WAB}} / Short-Trip 195A {{WAB}} / 195B (2002 - 2005) / 195B (2015 - 2018) {{WAB}}==
-{{:Bus Service 195}}
-==Service 196 {{WAB}} / Short-Trip 196A {{WAB}}==
-{{:Bus Service 196}}
-==Service 197 (1971 - 1974)==
-{| class="toccolours bushist" border="1" cellpadding="3"
-|-class="PAST"
-!Operator
-!Route
-!Year
-!Date
-!Service changes
-|-
-!rowspan="2"|ABC
-!Keppel Rd ↔ Jln Samulun (Apr - Nov 1971)
-|rowspan="2"|1971
-|11 April
-|Introduced between Keppel Rd Ter and Jln Samulun Ter under 1971 Bus Reorganisation.
-|-
-!rowspan="2"|Crawford St ↔ Jln Samulun (Nov 1971 - 1974)
-|10 November
-|Extended to Crawford St Ter.
-|-
-!{{SBS}}
-|1974
-|3 February
-|Discontinued under 1974 Bus Rationalization.
-|}
-==Service 197 (since 1978) {{WAB}}==
-{{:Bus Service 197}}
-==Service 198 {{WAB}} / Short-Trip 198A {{WAB}}==
-{{:Bus Service 198}}
-==Service 199 (1971 - 1974)==
-{| class="toccolours bushist" border="1" cellpadding="3"
-|-class="PAST"
-!Operator
-!Year
-!Date
-!Service changes
-|-
-!rowspan="2"|ABC
-|1971
-|21 July
-|Introduced between Prince Edward Ter and Dunearn Rd (Dunearn Hostel) (Loop).
 |-
-|1973
+|rowspan=2|{{Bus/D|159|note=Sengkang ↔ Toa Payoh}} {{Bus/D|159A|note=Sengkang → Ang Mo Kio Ave 8}} {{Bus/D|159B|note=Ang Mo Kio Ave 8 → Ang Mo Kio Ave 5}}
-|11 March
+|'''2013'''
-|Amended to ply Zion Rd and Hoot Kiam Rd towards Dunearn Rd with the partial conversion of Kim Seng Rd and Irwell Bank Rd to one-way traffic.
+|'''7 January'''
+|style='text-align:left'|{{Bus/D|159B|note=Introduced from Ang Mo Kio Ave 8 (Jubilee) to Ang Mo Kio Ave 5 (ITE College Ctrl) during morning peak hours on weekdays.}}
 |-
-!{{SBS}}
+|'''2015'''
-|1974
+|'''30 March'''
-|3 February
+|style='text-align:left'|{{DWAB}}<ref>[//www.sbstransit.com.sg/news/sbs-transit-to-roll-out-another-six-wheelchair-accessible-bus-services "SBS Transit To Roll Out Another Six Wheelchair-Accessible Bus Services"] SBS Transit, 23 March 2015</ref>
-|Discontinued under 1974 Bus Rationalization.
 |}
-==Service 199 (since 1978) {{WAB}}==
-{{:Bus Service 199}}
-==Service 200 {{WAB}} / Short-Trip 200A {{WAB}}==
-{{:Bus Service 200}}
-==Service 201 (1971 - 1993)==
-{| class="toccolours bushist" border="1" cellpadding="3"
-|-class="PAST"
-!Operator
-!Route
-!Year
-!Date
-!Service changes
-|-
-!UBC
-!Jln Jurong Kechil ↔ Pasir Panjang Rd (1971 - 1974)
-|1971
-|11 April
-|Introduced between Jln Jurong Kechil Ter and Pasir Panjang Rd Ter under 1971 Bus Reorganisation.
-|-
-!rowspan="8"|{{SBS}}
-!rowspan="2"|Toh Tuck Rd ↔ Pasir Panjang Rd (1974 - 1981)
-|1974
-|3 February
-|Integrated with Service 207 and extended to Toh Tuck Rd End Ter under 1974 Bus Rationalisation.
-|-
-|1979
-|30 December
-|Amended to ply Jln Anak Bt towards Pasir Panjang Rd Ter with the partial conversion of Upp Bt Timah Rd to one-way traffic.
-|-
-!Pasir Panjang Rd ↺ Jln Anak Bt (May - Jul 1981)
-|rowspan="2"|1981
-|25 May
-|Shortened to loop at Jln Anak Bt from Pasir Panjang Rd Ter with the introduction of Service 205.
-|-
-!rowspan="5"|Kent Ridge ↺ Jln Anak Bt (Jul 1981 - 1993)
-|5 July
-|Amended to Kent Ridge Ter.
-|-
-|1986
-|1 June
-|Skips removed bus stop before Ayer Rajah Rd along Clementi Rd.
-|-
-|rowspan="2"|1987
-|rowspan="2"|19 April
-|Serves new staggered bus stop under the PIE Flyover along Jln Anak Bt, skipping the bus stop opposite Bt Timah Plaza.
-|-
-|Amended to use new access road from Upp Bt Timah Rd to Jln Anak Bt, skipping BKE.
-|-
-|1993
-|4 April
-|Discontinued with the introduction of Service 151 under TransitLink Network Integration Exercise Phase 12.
-|}
-==Service 201 (since 2014) {{WAB}}==
-{{:Bus Service 201}}
 ==References==
 <references/>
-[[Category: Buses]]
+==See also==
+* [[History of Bus Services]]
+[[Category:Buses]]
+[[Category:SBS Transit]]

History of Services 150 - 159: Difference between revisions

Latest revision as of 23:53, 10 August 2025

Service 150

1st Generation (1971 - 1990)

2nd Generation (since 2016)

Service 151

1st Generation (1971 - 1989)

2nd Generation (since 1993)

Service 152

Service 153

Service 153A

Service 154

Service 154A

Service 155

Service 155A

Service 156

1st Generation (1971 - 1983)

2nd Generation (since 1993)

Service 157

Service 158

Service 159

1st Generation (1971 - 1974)

2nd Generation (since 1977)

References

See also

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1^st Generation (1971 - 1990)

2^nd Generation (since 2016)

1^st Generation (1971 - 1989)

2^nd Generation (since 1993)

1^st Generation (1971 - 1983)

2^nd Generation (since 1993)

1^st Generation (1971 - 1974)

2^nd Generation (since 1977)