History of Services 160 - 169

Service 160

1^st Generation (1971 - 1998)

Operator	Route	Year	Date	Service changes
United Bus Company	Crawford St ↔ Rotherham Gate	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.
		1973	1 July	Operations transferred to Singapore Bus Services.
		1974	3 February	Amended to ply Old Upp Thomson Rd under 1974 Bus Rationalisation.
	Crawford St ↔ Admiralty Rd West	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.
	Admiralty Rd West ↔ Crawford St	1983	3 April	Operations transferred to Trans Island Bus Services.
		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 as Service 980.

2^nd Generation (since 2004)

Operator	Route	Year	Date	Service changes
(Current)	Jurong East ↔ Kotaraya II (Johor Bahru)	2004	5 September	Introduced between Jurong East Int and Kotaraya II Ter (Johor Bahru) as a cross border service, operating between 0530 hrs and 2400 hrs from Jurong East Int daily.
		2008	16 December	Serves additional bus stop outside JB Sentral along Jln Tun Abdul Razak towards Kotaraya II Ter.
		2009	5 July	Amended to ply Boon Lay Way with the closure of Jurong East St 12 to facilitate the Jurong East Modification Project (JEMP).
		2011	17 December	Amended to Jurong East Temp Int.
	Jurong East ↺ JB Sentral (Johor Bahru)	2014	1 November	Amended to loop at Jln Tun Abdul Razak with the permanent closure of Kotaraya II Ter.
		2015	1 March	Amended to loop at JB Sentral Ter, skipping Jln Tun Abdul Razak.
		2016	11 December	Serves new bus stop opposite Blk 635A along Woodlands Rd.
		2017	23 April	Serves relocated bus stop before PIE along Bt Batok Rd.
			28 May	Skips removed bus stop opposite Mandai Rd along Woodlands Rd.
			21 August	Designated wheelchair-accessible bus service (WAB).
		2018	25 March	Amended to ply Woodlands Ave 3 and Woodlands Ctr Rd towards JB Sentral Ter.
			10 June	Serves new bus stop before Yew Tee Flyover along Woodlands Rd.
	160Jurong East ↺ JB Sentral (Johor Bahru) 160AJurong East → Bt Batok Rd		19 November	160AIntroduced from Jurong East Temp Int to Bt Batok Rd (Opp Dunearn Sec Sch) during peak hours on weekdays. Wheelchair-accessible bus service (WAB) at launch.
	160Jurong East ↺ Woodlands Ctr Rd 160AJurong East → Bt Batok Rd	2020	18 March	160Temporarily shortened to loop at Woodlands Ctr Rd due to Movement Control Order in Malaysia, skipping Woodlands Crossing, Johor Bahru and JB Sentral Ter.
			6 December	Amended to relocated Jurong East Temp Int.
	160Jurong East ↺ JB Sentral (Johor Bahru) 160AJurong East → Bt Batok Rd	2022	1 May	160Reinstated to loop at JB Sentral Ter.
	160Jurong Town Hall ↺ JB Sentral (Johor Bahru) 160AJurong Town Hall → Bt Batok Rd	2023	26 November	Extended to Jurong Town Hall Int.
				160First bus brought forward to 0525 hrs daily.
		2025	15 September	160First bus from Johor Bahru Checkpt to be brought forward to 0450 hrs on weekdays.

Service 160A

Operator	Route	Year	Date	Service changes
United Bus Company	Rotherham Gate ↔ New Bridge Rd	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.
		1973	1 July	Operations transferred to Singapore Bus Services.
		1974	3 February	Re-numbered Service 167 under 1974 Bus Rationalisation.

Service 160M

Operator	Route	Year	Date	Service changes
	Jurong East ↺ Bukit Batok Rd	2020	26 July	Introduced as a supplementary service between Jurong East Temp Int and Bt Batok Rd (Loop). Wheelchair-accessible bus service (WAB) 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 as Service 993.

Service 161

1^st Generation (1971 - 1992)

Operator	Route	Year	Date	Service changes
United Bus Company	Sembawang Rd End ↔ Prince Edward	1971	11 April	Introduced between Sembawang Rd End Ter and Prince Edward Ter under 1971 Bus Reorganisation.
		1973	1 July	Operations transferred to Singapore Bus Services.
		1974	8 December	Amended to ply Cecil St, skipping Robinson Rd.
		1976	14 March	Serves new staggered bus stop outside The Cenotaph along Connaught Dr, skipping the bus stop opposite Singapore Cricket Club.
		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	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) 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.
		1983	8 May	Operations transferred to Trans Island Bus Services.
	Sembawang Rd End ↔ Shenton Way	1987	28 June	Amended to Shenton Way Ter.
		1990	21 February	Skips removed bus stop opposite Jasmine Rd along Upp Thomson Rd.
		1992	20 September	Integrated with Service 167 and discontinued under TransitLink Network Integration Exercise Phase 9.

2^nd Generation (since 2002)

Operator	Route	Year	Date	Service changes
(Current)	Hougang Ctrl ↔ Woodlands	2002	2 June	Introduced between Hougang Ctrl Int and Woodlands Reg Int.
		2007	TBC	First bus from Woodlands Reg Int brought forward to 0545 hrs on weekdays.
			24 June	Serves new pair of bus stops outside and opposite Innova JC along Woodlands Ave 2.
		2014	23 March	Designated wheelchair-accessible bus service (WAB).
		2016	12 March	Amended to Woodlands Temp Int.
		2021	13 June	Amended to Woodlands Integrated Transport Hub.
		2022	28 August	Temporarily amended to ply Hougang Ave 4 and Hougang Ave 10 with the partial closure of Hougang Ctrl to facilitate the construction of Hougang station on the Cross Island Line.

Service 162

1^st Generation (1971 - 1974)

Operator	Route	Year	Date	Service changes
United Bus Company	Crawford St ↺ Nee Soon Transit Camp	1971	11 April	Introduced between Crawford St Ter and Nee Soon Transit Camp (Loop) under 1971 Bus Reorganisation.
			5 July	Amended to ply Old Upp Thomson Rd.
		1973	1 July	Operations transferred to Singapore Bus Services.
		1974	3 February	Discontinued under 1974 Bus Rationalisation.

2^nd Generation (1977 - 1991)

Operator	Route	Year	Date	Service changes
	Ang Mo Kio Ave 6 ↺ Sims Ave	1977	21 November	Introduced between Ang Mo Kio Ave 6 Ter and Sims Ave (Loop).
		1978	29 December	Coverted to a semi-express service and amended to ply Lor Chuan and Upp Serangoon Rd.
		1979	10 September	Serves all bus stops along Lor Chuan and Upp Serangoon Rd.
	Ang Mo Kio ↺ Sims Ave	1980	6 January	Amended to Ang Mo Kio Ave 3 Ter.
		1981	10 May	Skips bus stop before Braddell Flyover along Braddell Rd.
			5 July	Amended to Ang Mo Kio Ctrl 2 Ter.
		1982	11 June	Amended to ply Bendemeer Rd and Geylang Bahru, skipping Jln Kolam Ayer.
		1983	6 February	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	Amended to Ang Mo Kio Int.
			20 June	Amended to ply CTE towards Sims Ave.
		1986	16 March	Integrated with Service 77 and amended to ply Boundary Rd, Serangoon Ave 2 and Upp Serangoon Rd, skipping CTE and Braddell Rd.
		1991	6 January	Discontinued under TransitLink Network Integration Exercise Phase 1.

3^rd Generation (since 2001)

Operator	Route	Year	Date	Service changes
(Current) Known as prior to 1 November 2001	Yio Chu Kang ↺ Shenton Way	2001	26 February	Introduced between Yio Chu Kang Ter and Shenton Way (Loop) as a semi-express day service on weekdays and Saturdays.
	Yio Chu Kang ↔ Shenton Way		17 December	Amended to Shenton Way Ter and converted to trunk service, serving all bus stops along Bishan Rd and Upp Thomson Rd.
		2002	TBC	First bus from Yio Chu Kang Ter brought forward to 0545 hrs on weekdays.
			7 July	Skips the bus stop outside Orchard Emerald along Orchard Rd.
	162Yio Chu Kang ↔ Shenton Way 162AYio Chu Kang → Sin Ming Ave	2004	5 April	162AIntroduced from Yio Chu Kang Ter to Sin Ming Ave (Ai Tong Sch) during morning peak hours on weekdays.
		2005	19 February	Serves additional pair of bus stops outside One Raffles Lk along Nicoll Highway and after Esplanade Bridge along Esplanade Dr.
			2 July	Amended to ply Grange Rd and Orchard Lk with the partial closure of Somerset Rd.
		2006	29 October	Serves relocated bus stop outside Orchard Stn along Orchard Turn.
		2008	TBC	162First bus from Yio Chu Kang Ter brought forward to 0530 hrs on weekdays.
	Yio Chu Kang ↔ Shenton Way		25 February	162ADiscontinued.
		2011	7 March	Designated wheelchair-accessible bus service (WAB).
		2017	25 June	Amended to the relocated Shenton Way Ter.
		2018	11 March	Last bus from Shenton Way Ter extended to 1430 hrs on Saturdays.
		2020	8 November	Skips the bus stop opposite SLF Cplx along Thomson Rd to facilitate the construction of the North-South Corridor (NSC).
		2023	8 January	Skips the bus stop outside Newton Stn Exit B along Scotts Rd temporarily to facilitate upgrading works.
			27 August	Serves reinstated bus stop outside Newton Stn Exit B along Scotts Rd.
	Yio Chu Kang ↺ Sin Ming Dr		17 December	Shortened to loop at Sin Ming Dr from Yio Chu Kang Int under Thomson East Coast Line Bus Rationalisation.
				Integrated with Service 162M and converted to a full day service, operating daily.

Service 162X/162M

Operator	Route	Year	Date	Service changes
Known as prior to 1 November 2001	162XYio Chu Kang ↺ Temasek Ave	2001	25 February	162XIntroduced between Yio Chu Kang Ter and Temasek Ave (Loop) as an alternate route of Service 162, operating during off peak periods on weekdays and Saturdays and throughout the day on Sundays and Public Holidays, numbered as Service 162X.
			16 December	Converted to trunk service, serving all bus stops along Bishan Rd and Upp Thomson Rd.
		2002	7 July	Skips the bus stop outside Orchard Emerald along Orchard Rd.
		2005	2 July	Amended to ply Grange Rd and Orchard Lk with the partial closure of Somerset Rd.
		2006	29 October	Serves relocated bus stop outside Orchard Stn along Orchard Turn.
	162MYio Chu Kang ↺ Temasek Ave	2008	28 January	162X 162MRe-numbered Service 162M.
		2011	7 March	Designated wheelchair-accessible bus service (WAB).
		2020	8 November	Skips the bus stop opposite SLF Cplx along Thomson Rd to facilitate the construction of the North-South Corridor (NSC).
		2023	8 January	Skips the bus stop outside Newton Stn Exit B along Scotts Rd temporarily to facilitate upgrading works.
			27 August	Serves reinstated bus stop outside Newton Stn Exit B along Scotts Rd.
			17 December	Integrated with Service 162 and discontinued under Thomson East Coast Line Bus Rationalisation.

Service 163

Operator	Route	Year	Date	Service changes
United Bus Company	Upp Thomson Rd ↔ Prince Edward	1971	11 April	Introduced between Yio Chu Kang Rd Ter and Prince Edward Ter under 1971 Bus Reorganisation.
	Jln Kayu ↔ Prince Edward		4 October	Extended to Jln Kayu Ter.
		1973	1 July	Operations transferred to Singapore Bus Services.
		1974	8 December	Amended to ply Cecil St, skipping Robinson Rd.
		1975	19 July	Amended to ply Coleman St and Hill St, skipping Stamford Rd.
		1976	14 March	Serves new staggered bus stop outside The Cenotaph along Connaught Dr, skipping the bus stop opposite Singapore Cricket Club.
		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	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) and Bt Timah Rd (towards Jln Kayu 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	13 October	Amended to ply Ang Mo Kio Ave 9 and Ang Mo Kio Ave 4 with the partial closure of Yio Chu Kang Rd to facilitate redevelopment.
		1981	5 June	Amended to ply the diverted Yio Chu Kang Rd, skipping Ang Mo Kio Ave 9.
	Jln Kayu ↔ World Trade Ctr	1985	13 January	Extended to World Trade Ctr Ter.
		1988	3 January	Serves new staggered bus stop opposite Treasury Bldg along Shenton Way, skipping the bus stop opposite Marina Hse.
	Jln Kayu ↔ Marina Ctr	1989	28 May	Shortened to Marina Ctr Ter.
		1990	21 February	Skips removed bus stop opposite Jasmine Rd along Upp Thomson Rd.
	Jln Kayu ↔ Toa Payoh	1992	3 May	Shortened to Toa Payoh Int under TransitLink Network Integration Exercise Phase 7.
		1995	17 December	Operations transferred to Trans Island Bus Services.
		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.
			TBC	Skips a pair of temporarily closed bus stops before and after Seletar West Farmway 1 along Jln Kayu.
(Current) Known as prior to 1 November 2001		1999	26 December	Operations transferred to Singapore Bus Services.
		2002	19 May	Amended to Toa Payoh Integrated Transport Hub.
	Sengkang ↔ Toa Payoh		29 December	Extended to Sengkang Temp Int.
			31 December	Serves reinstated pair of bus stops before and after Sengkang West Ave along Jln Kayu.
		2003	18 January	Amended to Sengkang Integrated Transport Hub.
			TBC	Serves new pair of bus stops before and after Fernvale Lk along Sengkang West Ave.
	163Sengkang ↔ Toa Payoh 163ASengkang ↺ Sengkang West Ave	2005	12 March	Amended to ply Fernvale Lane under Sengkang LRT (West Loop) Rationalisation.
				163AIntroduced from Sengkang West Ave (Bef Fernvale Lane) to Sengkang Int during morning peak hours and between Sengkang Int and Sengkang West Ave (Loop) during evening peak hours on weekdays under the Sengkang LRT (West Loop) Rationalisation, replacing Service 371.
			TBC	Skips removed bus stop outside Muhajirin Mque along Braddell Rd.
	Sengkang ↔ Toa Payoh	2008	28 January	163ARe-numbered Service 163M.
		2009	22 November	Serves additional bus stop outside Braddell View along Braddell Rd.
		2012	30 September	Designated wheelchair-accessible bus service (WAB).
		2013	13 October	Amended to ply the extended Fernvale Lane with the partial closure of Jln Kayu.
	163Sengkang ↔ Toa Payoh 163ASengkang → Fernvale Lane	2019	10 February	163AIntroduced from Sengkang Int to Fernvale Lane (Bef Sengkang West Rd), operating after the last bus of Service 163 daily.
			22 December	Serves new bus stop before Adana @ Thomson along Upp Thomson Rd.
	163Sengkang ↔ Toa Payoh 163ASengkang → Fernvale Lane 163BSengkang → Yio Chu Kang Rd	2023	9 October	163BIntroduced from Sengkang Int to Yio Chu Kang Rd (NCS Hub) during morning peak hours on weekdays.
	163Sengkang ↔ Toa Payoh 163ASengkang → Fernvale Lane 163BSengkang → Yio Chu Kang Rd	2025	24 November	163BTo be extended to terminate at the bus stop after Lentor Stn Exit 4 along Yio Chu Kang Rd.

Service 163A

Operator	Route	Year	Date	Service changes
United Bus Company	Sembawang Hills Dr ↔ Prince Edward	1971	6 July	Introduced between Sembawang Hills Dr and Prince Edward Ter.
	Sembawang Hills Dr ↺ Tg Pagar Rd		4 October	Extended to loop at Tg Pagar Rd.
		1974	3 February	Re-numbered Service 168 under 1974 Bus Rationalization.

Service 163M

Operator	Route	Year	Date	Service changes
	Sengkang ↺ Sengkang West Ave	2008	28 January	Converted from Short-Trip 163A as a supplementary route variant between Sengkang Int and Sengkang West Ave (Loop).
		2012	30 September	Designated wheelchair-accessible bus service (WAB).
		2013	TBC	Last bus extended to 0035 hrs daily.
			13 October	Amended to ply the extended Fernvale Lane with the partial closure of Jln Kayu.
		2019	10 February	Discontinued with the introduction of Short-Trip 163A.

Service 164

Operator	Route	Year	Date	Service changes
United Bus Company	Sembawang Rd End ↔ New Bridge Rd	1971	11 April	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.
		1973	1 November	Operations transferred to SBS.
		1983	8 May	Operations transferred to TIBS.
		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.
		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

Operator	Route	Year	Date	Service changes
United Bus Company	Upp Thomson Rd ↔ Jln Boon Lay	1971	11 April	Introduced between Yio Chu Kang Rd Ter and Jln Boon Lay Ter under 1971 Bus Reorganisation.
			28 September	Amended to ply the extended Ganges Ave towards Yio Chu Kang 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.
(Current) Known as prior to 1 November 2001		1973	1 July	Operations transferred to Singapore Bus Services.
		1974	3 February	Amended to ply Lornie Rd, Adam Rd, Farrer Rd, Holland Rd, Ulu Pandan Rd and Clementi Rd under 1974 Bus Rationalization.
	Ang Mo Kio Ave 6 ↔ Jln Boon Lay	1977	19 September	Extended to Ang Mo Kio Ave 6 Ter.
	Ang Mo Kio Ave 6 ↔ Jurong	1978	1 June	Amended to Jurong Int.
	Ang Mo Kio ↔ Jurong	1979	12 August	Amended to Ang Mo Kio Ave 3 Ter.
		1981	5 July	Amended to Ang Mo Kio Ctrl 2 Ter.
		1983	10 April	Amended to Ang Mo Kio Int.
		1986	1 June	Skips removed bus stop before Ayer Rajah Rd along Clementi Rd.
		1987	12 August	Skips removed bus stop after Joan Rd along Lornie Rd.
		1990	21 February	Skips removed bus stop opposite Jasmine Rd along Upp Thomson Rd.
	Ang Mo Kio ↔ Boon Lay		1 July	Amended to Boon Lay Int temporarily.
	Ang Mo Kio ↔ Clementi		7 July	Shortened to Clementi Int.
	Hougang Ctrl ↔ Clementi	1995	8 January	Extended to Hougang Ctrl Int.
		1998	24 May	Amended to Hougang Ctrl Temp Int.
				Serves new pair of bus stops outside Blk 836 and outside Blk 830A along Hougang Ctrl.
		2001	20 May	Amended back to Hougang Ctrl Int.
			TBC	First bus from Clementi Int brought forward to 0545 hrs on weekdays.
		2004	TBC	Skips removed bus stop outside Nanyang Pr Sch along Farrer Rd.
		2006	29 October	Amended to Clementi Temp Int.
		2009	19 April	Serves new pair of bus stops outside Blk 834 and outside Hougang Polyclinic along Hougang Ave 4.
		2011	26 November	Amended to Clementi Integrated Transport Hub.
		2012	26 March	Designated wheelchair-accessible bus service (WAB).
		2018	28 October	Amended to ply southbound Lornie Highway with the partial closure of Adam Rd.

Service 166

1^st Generation (1971 - 1974)

Operator	Route	Year	Date	Service changes
United Bus Company	Sembawang Rd End ↺ Nee Soon Rd	1971	11 April	Introduced between Sembawang Rd End Ter and Nee Soon Rd (loop) under 1971 Bus Reorganisation.
		1974	3 February	Discontinued under 1974 Bus Rationalisation.

2^nd Generation (since 1976)

Operator	Route	Year	Date	Service changes
(Current) Known as prior to 1 November 2001	Ang Mo Kio Ave 6 ↔ New Bridge Rd	1976	22 November	Introduced between Ang Mo Kio Ave 6 Ter and New Bridge Rd 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.
	Ang Mo Kio ↔ New Bridge Rd	1979	12 August	Amended to Ang Mo Kio Ave 3 Ter.
			28 October	Amended to ply Sungei Rd (towards New Bridge Rd Ter) and Bt Timah Rd (towards Ang Mo Kio Ave 3 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.
		1981	5 July	Amended to Ang Mo Kio Ctrl 2 Ter.
		1983	10 April	Amended to Ang Mo Kio Int.
	Ang Mo Kio ↔ Labrador	1984	29 January	Extended to Labrador Ter.
		1987	27 September	Amended to ply the extended Eu Tong Sen St towards Ang Mo Kio Int to facilitate the first stage of road expansion along New Bridge Rd.
			1 November	Amended to ply Eu Tong Sen St towards Ang Mo Kio Int to facilitate the second stage of road expansion along New Bridge Rd.
		1989	29 January	Serves relocated bus stop opposite Sri Mariamman Tp along Sth Bridge Rd, skipping a removed bus stop opposite Jamae Mque.
	Ang Mo Kio ↔ Clementi		27 August	Integrated with Service 146 and extended to Clementi Int.
		1990	21 February	Skips removed bus stop opposite Jasmine Rd along Upp Thomson Rd.
		1998	TBC	Serves additional pair of bus stops outside and opposite Blk 324 along Ang Mo Kio Ave 3.
		1999	TBC	Skips a pair of removed bus stops outside and opposite Wishart Rd along Telok Blangah Rd.
			TBC	Skips temporarily closed bus stops outside and opposite Sch of Mechanical & Mfg along Commonwealth Ave West.
			10 July	Skips the bus stop outside Plaza By The Pk along Bras Basah Rd.
		2000	TBC	Last bus from Clementi Int extended to 2400 hrs on Saturdays.
		2001	18 February	Serves the bus stop outside Novena Stn along Thomson Rd, skipping the bus stop outside Novena Ch.
			18 October	Serves reinstated bus stops outside Dover Stn along Commonwealth Ave West.
		2002	24 March	Amended to Ang Mo Kio Temp Int.
		2003	7 December	Serves the bus stop outside Blk 3 along Neil Rd with the abolition of the bus stop outside Everton Pk.
		2005	12 June	Serves new bus stop outside Science Pk along AYE.
			9 October	Serves additional bus stop outside Clarke Quay Stn along Eu Tong Sen St.
		2006	29 October	Amended to Clementi Temp Int.
				Serves new bus stop outside VivoCity along Telok Blangah Rd.
		2007	28 April	Amended to Ang Mo Kio Integrated Transport Hub.
		2008	7 December	Skips removed bus stop opposite Temenggong D Mque along Telok Blangah Rd.
		2011	26 June	Serves new bus stop outside The Pinnacle @ Duxton along Neil Rd.
			16 October	Amended to ply Middle Rd, Selegie Rd, Prinsep St and Bras Basah Rd with the partial closure of Bencoolen St to facilitate the construction of Bencoolen station on the Downtown Line.
			26 November	Amended to Clementi Integrated Transport Hub.
		2012	30 September	Designated wheelchair-accessible bus service (WAB).
		2016	11 December	Amended to ply the reinstated Bencoolen St, skipping Middle Rd, Selegie Rd, Prinsep St and Bras Basah Rd.
		2017	26 November	Serves bus stop after Hosp Dr along Eu Tong Sen St with the removal of the bus stop before Hosp Dr along Kg Bahru Rd.
		2020	8 November	Skips the bus stop opposite SLF Cplx along Thomson Rd to facilitate the construction of the North-South Corridor (NSC).

Service 167

Operator	Route	Year	Date	Service changes
	Rotherham Gate ↔ New Bridge Rd	1974	3 February	Re-numbered from Service 160A as a service between Rotherham Gate Ter and New Bridge Rd Ter under 1974 Bus Rationalisation.
			24 February	Amended to ply Grange Rd, Orchard Blvd and Paterson Rd towards Rotherham Gate Ter with the conversion of Orchard Rd to one-way traffic.
	Admiralty Rd West ↔ Tg Pagar Rd	1976	23 August	Amended to Admiralty Rd West Ter and Tg Pagar Ter.
		1979	1 August	Amended to temporary terminal along Lim Teck Kim Rd with the closure of Tg Pagar Ter.
	Admiralty Rd West ↔ Anson Rd		23 December	Amended to Anson Rd Ter.
		1980	20 January	Amended to ply Hoe Chiang Rd towards Anson Rd Ter, skipping Lim Teck Kim Rd.
Known as prior to 10 May 2004		1983	3 April	Operations transferred to Trans Island Bus Services.
	Admiralty Rd West ↔ World Trade Ctr	1985	13 January	Extended to World Trade Ctr Ter.
		1987	27 September	Amended to ply the extended Eu Tong Sen St towards Admiralty Rd West Ter to facilitate the first stage of road expansion along New Bridge Rd.
			1 November	Amended to ply Eu Tong Sen St towards Admiralty Rd West Ter to facilitate the second stage of road expansion along New Bridge Rd.
			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.
		1990	21 February	Skips removed bus stop opposite Jasmine Rd along Upp Thomson Rd.
		1992	19 July	Amended to ply Orchard Lk due to the closure of Grange Rd to facilitate road expansion works.
	Sembawang Rd End ↔ Bukit Merah		20 September	Integrated with Services 161 and 850, extended to Sembawang Rd End Ter, extended to Bt Merah Int and amended to ply Cecil St/Shenton Way under TransitLink Network Integration Exercise Phase 9, skipping Eu Tong Sen St/Sth Bridge Rd and Tg Pagar Rd.
		1995	7 May	Amended to ply Orchard Turn.
		2001	11 February	Amended to ply Canberra Rd and Canberra Lk.
		2002	7 July	Skips the bus stop outside Orchard Emerald along Orchard Rd.
		2005	3 May	Serves additional bus stop outside Victoria Concert Hall along Empress Pl.
			2 July	Amended to ply Grange Rd and Orchard Lk with the partial closure of Somerset Rd.
	Sembawang ↔ Bukit Merah		20 November	Amended to Sembawang Int.
		2006	18 February	Serves additional bus stop after Hosp Dr along Eu Tong Sen St.
			29 October	Serves relocated bus stop outside Orchard Stn along Orchard Turn.
		2012	15 November	Designated wheelchair-accessible bus service (WAB).
		2016	1 May	Amended to ply Esplanade Dr with the partial closure of Fullerton Rd.
		2017	26 November	Skips removed bus stop before Hosp Dr along Kg Bahru Rd.
		2019	22 December	Serves new bus stop before Adana @ Thomson along Upp Thomson Rd.
		2020	8 November	Skips the bus stop opposite SLF Cplx along Thomson Rd to facilitate the construction of the North-South Corridor (NSC).
			27 December	Serves a pair of new bus stops opposite and before Canberra Dr along Sembawang Rd.
(Current)		2021	3 October	Operations transferred to Tower Transit Singapore.
			26 December	Amended to ply Esplanade Dr towards Bt Merah Int with the closure of Connaught Dr.
		2023	8 January	Skips the bus stop outside Newton Stn Exit B along Scotts Rd temporarily to facilitate upgrading works.
			27 August	Serves reinstated bus stop outside Newton Stn Exit B along Scotts Rd.
			17 December	Operates at a reduced frequency of 30-minute intervals daily under Thomson East Coast Line Bus Rationalisation.
		2025	30 March	Serves new bus stop opposite Police Cantonment Cplx along Cantonment Rd.

Service 168

1^st Generation (1974 - 1989)

Operator	Route	Year	Date	Service changes
	Sembawang Hills Dr ↔ Tg Pagar Rd	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	15 February	Extended to Ang Mo Kio Ave 6 Ter and amended to Sth Canal Ter.
	Ang Mo Kio Ave 6 ↺ Orchard Rd	1978	29 December	Shortened to loop at Orchard Rd from Ang Mo Kio Ave 6 Ter and converted to semi-express service.
	Ang Mo Kio ↺ Orchard Rd	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.
		1987	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.

2^nd Generation (since 2001)

Operator	Route	Year	Date	Service changes
(Current) Known as prior to 1 November 2001	Bedok ↔ Woodlands	2001	14 April	Introduced between Bedok Int and Woodlands Reg Int.
			22 July	Amended to ply Jln Kayu in both directions.
		2002	TBC	Serves new pair of bus stops before and after Tampines Ave 9 along Tampines Ave 10.
		2003	TBC	Serves new pair of bus stops before and after TPE along Tampines Ave 10.
		2006	TBC	Skips a pair of removed bus stops outside and opposite Bedok Green Sec Sch along Bedok Nth Ave 3.
			TBC	First bus from Woodlands Reg Int brought forward to 0600 hrs on Sundays and Public Holidays.
		2007	24 June	Serves new pair of bus stops outside and opposite Innova JC along Woodlands Ave 2.
		2008	TBC	First bus from Bedok Int brought forward to 0600 hrs on Sundays and Public Holidays.
		2011	19 November	Amended to Bedok Temp Int.
		2012	11 March	Serves new bus stop outside Blk 204 along Bedok Nth St 1.
			26 March	Designated wheelchair-accessible bus service (WAB).
		2014	5 October	Serves additional pair of bus stops before and after Punggol Rd along TPE.
			30 November	Amended to Bedok Integrated Transport Hub.
		2015	8 November	Serves new pair of bus stops outside and opposite CityLife @ Tampines along Tampines Ave 9.
		2016	12 March	Amended to Woodlands Temp Int.
		2021	13 June	Amended to Woodlands Integrated Transport Hub.
			12 December	Serves new pair of bus stops before and after Heartbeat @ Bedok along Bedok Nth St 1.
		2023	8 October	First bus from Bedok Int brought forward to 0530 hrs on Sundays and Public Holidays.
	168Bedok ↔ Woodlands 168AWoodlands → Tampines Ave 4	2024	13 May	168AIntroduced from Woodlands Int to Tampines Ave 4 (Opp Tampines Stn/Int) during peak hours on weekdays and Saturdays. Wheelchair-accessible bus service (WAB) at launch.
			19 May	168First bus from Woodlands Int brought forward to 0545 hrs on Sundays and Public Holidays.
		2025	26 October	Serves a new pair of bus stops in front of and opposite Blk 961A along Bedok Reservoir Rd.

Service 169

Operator	Route	Year	Date	Service changes
	Admiralty Rd ↺ Sembawang Rd	1976	23 August	Introduced between Admiralty Rd Ter and Sembawang Rd (Loop).
	Admiralty Rd ↔ Ang Mo Kio Ave 6	1977	31 January	Extended to Ang Mo Kio Ave 6 Ter.
	Admiralty Rd ↔ Ang Mo Kio	1979	12 August	Amended to Ang Mo Kio Ave 3 Ter.
	Woodlands Ctr ↔ Ang Mo Kio	1980	14 December	Extended to Woodlands Town Ter.
		1981	5 July	Amended to Ang Mo Kio Ctrl 2 Ter.
			29 November	Amended to Woodlands Int and amended to ply Admiralty Rd, skipping Marsiling Dr.
		1983	10 April	Amended to Ang Mo Kio Int.
Known as prior to 10 May 2004			5 June	Operations transferred to Trans Island Bus Services.
	Woodlands ↔ Ang Mo Kio	1996	4 February	Amended to Woodlands Reg Int.
			10 March	Integrated with Service 857 and amended to ply Admiralty Rd West, Admiralty Rd East, Sembawang Rd, Yishun Ave 2 and Yishun Ave 3 under Woodlands MRT Rationalisation, skipping Canberra Rd.
		1999	TBC	First bus from Woodlands Reg Int brought forward to 0530 hrs on Sundays and Public Holidays.
		2000	TBC	Serves additional bus stop opposite Blk 324 along Ang Mo Kio Ave 3.
	169Woodlands ↔ Ang Mo Kio 169AWoodlands → Yishun Ave 2		TBC	169AIntroduced from Woodlands Reg Int to Yishun Ave 2 (Northpoint Shop Ctr) during morning peak hours on weekdays.
		2002	24 March	Amended to Ang Mo Kio Temp Int.
		2003	TBC	Serves the bus stop outside Blk 923 along Yishun Ave 2, skipping the bus stop outside Northpoint Shop Ctr.
				169ATerminating stop changed to Yishun Ave 2 (Blk 923).
		2007	28 April	Amended to Ang Mo Kio Integrated Transport Hub.
		2015	11 October	Designated wheelchair-accessible bus service (WAB).
		2016	12 March	Amended to Woodlands Temp Int.
		2018	27 May	Serves new pair of bus stops outside and opposite The Visionaire along Canberra Lk.
	169Woodlands ↔ Ang Mo Kio 169AWoodlands → Yishun Ave 2 169BWoodlands → Woodlands Ave 8	2019	25 February	169BIntroduced from Woodlands Temp Int to Woodlands Ave 8 (Bef Admiralty Rd West) during morning peak hours on weekdays. Wheelchair-accessible bus service (WAB) at launch.
			2 November	Serves new pair of bus stops outside and opposite Canberra Stn along Canberra Lk.
			22 December	Serves new bus stop before Adana @ Thomson along Upp Thomson Rd.
		2021	13 June	Amended to Woodlands Integrated Transport Hub.
(Current)			19 September	Operations transferred to Tower Transit Singapore.

See also

• History of Bus Services