History of Services 151 - 160

Service 151 (1971 - 1989)

Operator	Route	Year	Date	Service changes
UBC	Kim Keat Ave ↔ South Canal (Apr - Aug 1971)	1971	11 April	Introduced between Kim Keat Ave Ter and Sth Canal Ter under 1971 Bus Reorganisation.
	Toa Payoh ↔ South Canal (Aug 1971 - 1974)		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.
	Toa Payoh ↔ Outram Pk (1974 - 1975)	1974	3 February	Integrated with Service 159 and extended to Outram Pk Ter under 1974 Bus Rationalisation.
		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 - 1989)	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.
			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.

Service 151 (since 1993) / Short Trip 151A (2000 - 2012)

Refer to Bus Service 151 for more details.

Service 152 (1971 - 2000)

Operator	Route	Year	Date	Service changes
ABS	Lor 1 Toa Payoh ↔ Telok Kurau Rd (Apr - Aug 1971)	1971	11 April	Introduced between Lor 1 Toa Payoh Ter and Telok Kurau Rd Ter under 1971 Bus Reorganisation.
	Toa Payoh ↔ Telok Kurau Rd (Aug 1971 - 1973)		2 August	Amended to Toa Payoh Town Ctr Ter.
	Toa Payoh ↔ Chai Chee (1973 - 1977)	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 - 1979)	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 - 2000)	1979	8 April	Amended to Bedok Int.
			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.
				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 / Short Trip 153A (2002 - 2006)

Refer to Bus Service 153 for more information.

Service 153A (1971 - 1974)

Operator	Route	Year	Date	Service changes
UBC	Lor 1 Toa Payoh ↔ Henderson Rd (Jul - Aug 1971)	1971	19 July	Introduced between Lor 1 Toa Payoh Ter and Jln Bt Merah Ter.
	Toa Payoh ↔ Henderson Rd (Aug 1971 - 1974)		2 August	Amended to Toa Payoh Town Ctr Ter.
		1974	3 February	Integrated with Service 95 and discontinued under 1974 Bus Rationalisation.

Service 154 / Short Trip 154A (2001 - 2010) / 154A (since 2012) / 154B

Refer to Bus Service 154 for more information.

Service 154A (1971 - 1974)

Operator	Route	Year	Date	Service changes
UBC	New Bridge Rd ↔ Jln Besi (Apr - Aug 1971)	1971	11 April	Introduced between New Bridge Rd Ter and Jln Besi Ter under 1971 Bus Reorganisation.
	Crawford St ↔ Jln Besi (Sep 1971 - 1971)		1 September	Extended to Crawford St Ter.
	Crawford St ↔ Benoi Rd (1971 - 1974)		TBC	Extended to Benoi Rd Ter.
		1974	3 February	Re-numbered Service 209 under 1974 Bus Rationalisation.

Service 155 / Short Trip 155A (2001 - 2017)

Refer to Bus Service 155 for more information.

Service 155A (1971 - 1974)

Operator	Route	Year	Date	Service changes
ABS	Lor 1 Toa Payoh ↔ Bedok Rd (Apr - Aug 1971)	1971	11 April	Introduced between Lor 1 Toa Payoh Ter and Bedok Rd Ter.
	Toa Payoh ↔ Bedok Rd (Aug 1971 - 1974)		2 August	Amended to Toa Payoh Town Ctr Ter.
		1974	3 February	Re-numbered Service 135 under 1974 Bus Rationalization.

Service 156 (1971 - 1983)

Operator	Route	Year	Date	Service changes
ABS	Lor 1 Toa Payoh ↔ Upp Serangoon (Apr - Aug 1971)	1971	11 April	Introduced between Lor 1 Toa Payoh Ter and Upp Serangoon Ter under 1971 Bus Reorganisation.
	Toa Payoh ↔ Upp Serangoon (Aug 1971 - 1983)		2 August	Amended to Toa Payoh Town Ctr Ter.
		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.

Service 156 (since 1993) / Short Trip 156A (2000 - 2001) / 156A (2003 - 2004) / 156A (2006 - 2008) / 156A (2009 - 2013)

Refer to Bus Service 156 for more information.

Service 157

Operator	Route	Year	Date	Service changes
UBC	Lor 1 Toa Payoh ↔ Jln Samulun (Jun - Aug 1971)	1971	22 June	Introduced between Lor 1 Toa Payoh Ter and Jln Samulun Ter.
	Toa Payoh ↔ Jln Samulun (Aug 1971 - 1978)		2 August	Amended to Toa Payoh Town Ctr Ter.
		1975	9 November	Amended to realigned Jurong Rd, skipping Old Jurong Rd.
	Toa Payoh ↔ Jurong (1978 - 1990)	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 - 2006)	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 Toa Payoh Temp Int.
				Serves new pair of bus stops outside and opposite Toa Payoh Swim Cplx along Lor 6 Toa Payoh.
(Current)		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 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.
	Toa Payoh ↔ Boon Lay Temp Int (2006 - 2009)	2006	18 June	Amended to Boon Lay Temp Int.
	Toa Payoh ↔ Boon Lay (since 2009)	2009	27 December	Amended to Boon Lay Integrated Transport Hub.
		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 MRT station on the Downtown MRT 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.

Short Trip 157A (September 2010)

Operator	Year	Date	Service changes
	2010	18 September	Introduced from Boon Lay Int to Bt Batok Ctrl (Opp Blk 628) during the partial full day closure of the North South Line (NSL) to facilitate the Jurong East Modification Project (JEMP) until 19 September 2010.
		20 September	Discontinued.

Service 158 / Short Trip 158A / 158B (2001 - 2011)

Refer to Bus Service 158 for more information.

Service 159 (1971 - 1974)

Operator	Year	Date	Service changes
UBC	1971	11 August	Introduced between Toa Payoh Town Ctr Ter and Outram Pk Ter.
	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.
	1974	3 February	Integrated with Service 151 and discontinued under 1974 Bus Rationalisation.

Service 159 (since 1977)

Operator	Route	Year	Date	Service changes
	Toa Payoh ↔ Ang Mo Kio Ave 6 (1977 - 1980)	1977	25 April	Introduced between Toa Payoh Town Ctr Ter and Ang Mo Kio Ave 6 Ter.
	Toa Payoh ↺ Ang Mo Kio (1980 - 2001)	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.
				Serves new pair of bus stops outside and opposite Toa Payoh Swim Cplx along Lor 6 Toa Payoh.
	Toa Payoh ↔ Sengkang (2001 - 2003)	2001	18 February	Extended to Sengkang Ter.
			28 April	Amended to Sengkang Temp Int.
(Current)		2002	19 May	Amended to Toa Payoh Integrated Transport Hub.
	Toa Payoh ↺ Sengkang (2003 - 2005)	2003	18 January	Amended to loop at Sengkang Integrated Transport Hub from Toa Payoh Int.
	Toa Payoh ↔ Sengkang (since 2005)	2005	TBC	Amended to terminate at Sengkang Integrated Transport Hub.
		2015	30 March	Designated wheelchair-accessible bus service (WAB).

Short Trip 159A (2001 - 2005)

Operator	Year	Date	Service changes
	2001	19 February	Introduced 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.
	2003	18 January	Amended to Sengkang Integrated Transport Hub.
	2005	TBC	Discontinued.

Short Trip 159A (since 2009)

Operator	Route	Year	Date	Service changes
(Current)	Sengkang → Ang Mo Kio Ave 8 (since 2009)	2009	6 April	Introduced from Sengkang Int to Ang Mo Kio Ave 8 (Opp Blk 710) during morning peak hours on weekdays.
		2015	30 March	Designated wheelchair-accessible bus service (WAB).

Short Trip 159B

Operator	Route	Year	Date	Service changes
(Current)	Ang Mo Kio Ave 8 → Ang Mo Kio Ave 5 (since 2013)	2013	7 January	Introduced 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).

Service 160 (1971 - 1998)

Operator	Route	Year	Date	Service changes
UBC	Crawford St ↔ Rotherham Gate (1971 - 1976)	1971	11 April	Introduced between Crawford St Ter and Rotherham Gate Ter under 1971 Bus Reorganisation.
			6 November	Amended to ply Canberra Rd, skipping Admiralty Rd East.
		1974	3 February	Amended to ply Old Upp Thomson Rd under 1974 Bus Rationalisation.
	Crawford St ↔ Admiralty Rd West (1976 - 1998)	1976	23 August	Amended to Admiralty Rd West Ter.
		1978	5 March	Amended to ply Keng Lee Rd with the partial conversion of Kg Java Rd to one-way traffic.
			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 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	Amended to ply Upp Thomson Rd, skipping Old Upp Thomson Rd.
		1983	3 April	Operations transferred to TIBS.
		1990	21 February	Skips removed bus stop opposite Jasmine Rd along Upp Thomson Rd.
		1996	10 February	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.
		1997	TBC	First bus from Admiralty Rd West Ter brought forward to 0600 hrs on Sundays and Public Holidays.
			TBC	Last bus from Crawford St Ter extended to 2330 hrs on weekdays.
		1998	27 December	Extended to Lor 1 Geylang Ter and re-numbered Service 980.

Service 160 (since 2004) / Short Trip 160A

Refer to Bus Service 160 for more information.

Service 160A (1971 - 1974)

Operator	Year	Date	Service changes
UBC	1971	3 May	Introduced between Rotherham Gate Ter and New Bridge Rd Ter.
		10 August	Amended to ply Dunearn Rd, Bt Timah Rd, Newton Circus and Balmoral Rd.
	1974	3 February	Re-numbered Service 167 under 1974 Bus Rationalisation.

Service 160M (2020 - 2023)

Operator	Year	Date	Service changes
	2020	26 July	Introduced as a supplementary service between Jurong East Temp Int and Bt Batok Rd (Loop). Wheelchair-accessible at launch.
		22 November	Serves a new bus stop outside Blk 460D along Bt Batok West Ave 9.
		6 December	Amended to relocated Jurong East Temp Int.
	2023	24 September	Amended to ply Bt Batok West Ave 8, Bt Batok West Ave 2 and Bt Batok Rd and re-numbered Service 993.