History of Services 51 - 60

Service 51

Operator	Route	Year	Date	Service changes
ABS	Jln Eunos ↔ Labrador (1971 - 1987)	1971	11 April	Introduced between Jln Eunos Ter and Labrador Ter under 1971 Bus Reorganisation.
			28 September	Amended to ply the extended Ganges Ave towards Jln Eunos 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.
		1975	2 March	Amended to ply Sims Ave towards Jln Eunos Ter with the conversion of Geylang Rd to one-way traffic.
		1979	11 November	Amended to ply Ganges Ave towards Alexandra Rd Ter with the realignment of Delta Circus.
	Hougang South ↔ Labrador (1987 - 1988)	1987	22 March	Integrated with Service 54 and extended to Hougang Int.
			27 September	Amended to ply the extended Eu Tong Sen St towards Hougang Int to facilitate the first stage of road expansion along New Bridge Rd.
			1 November	Amended to ply Eu Tong Sen St towards Hougang Int 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.
	Hougang South ↔ Jurong East (1988 - 2004)	1988	18 December	Integrated with Service 192 and extended to Jurong East Int.
		1990	22 July	Serves additional bus stop outside Ellenborough Mkt along Eu Tong Sen St.
		1996	TBC	Serves additional bus stop outside Kallang Stn along Sims Ave.
			TBC	First bus from Jurong East Int brought forward to 0530 hrs on weekdays and Saturdays.
		1997	TBC	Serves the bus stop outside Bugis Stn along Victoria St, skipping the bus stop opposite Bugis Junction.
		1999	20 September	Serves new pair of bus stops outside and opposite West Bay Resort Condo along West Coast Rd.
(Current)		2002	12 May	Amended to ply Pandan Gdns.
	Hougang Ctrl ↔ Jurong East (since 2004)	2004	15 February	Extended to Hougang Ctrl Int with the closure of Hougang Sth Int.
		2007	22 May	Designated wheelchair-accessible bus service (WAB).
		2009	5 July	Amended to ply Boon Lay Way and Jurong East Ctrl 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.
		2014	27 April	Serves new bus stop outside Queens Condo along Commonwealth Ave.
		2020	6 December	Amended to relocated Jurong East Temp Int and serve new bus stop before Jurong East Stn along Jurong Gateway Rd.

Short Trip 51A

Operator	Route	Year	Date	Service changes
(Current)	Jurong East → Pandan Gardens (since 2002)	2002	12 May	Introduced from Jurong East Int to Pandan Gdns (Blk 407), operating after the last bus of Service 51 daily.
		2007	22 May	Designated wheelchair-accessible bus service (WAB).
		2009	5 July	Amended to ply Boon Lay Way and Jurong East Ctrl 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.
		2020	6 December	Amended to relocated Jurong East Temp Int.

Service 52 (1971 - 1974)

Operator	Year	Date	Service changes
ABS	1971	3 July	Introduced between Jln Eunos Ter and Tg Pagar Rd Ter.
	1974	3 February	Discontinued under 1974 Bus Rationalisation.

Service 52 (since 2005)

Operator	Route	Year	Date	Service changes
(Current)	Bishan ↔ Jurong East (since 2005)	2005	23 October	Introduced between Bishan Int and Jurong East Int, operating between 0545 hrs and 2345 hrs from Bishan Int and Jurong East Int daily.
		2009	3 December	Designated wheelchair-accessible bus service (WAB).
		2011	17 December	Amended to Jurong East Temp Int.
		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.
		2014	26 January	Amended to ply the reinstated Jln Jurong Kechil, skipping Upp Bt Timah Rd and Bt Timah Lk.
		2018	28 October	Amended to ply southbound Lornie Highway towards Jurong East Temp Int.
		2019	23 June	Amended to ply northbound Lornie Highway towards Bishan Int.
		2020	6 December	Amended to relocated Jurong East Temp Int and serve new bus stop before Jurong East Stn along Jurong Gateway Rd.

Service 53 (1974 - 1983)

Operator	Year	Date	Service changes
	1974	3 February	Re-numbered from Service 50A as a service between Kaki Bt Ter and Alexandra Rd (Alexandra Hosp) Ter.
	1975	2 March	Amended to ply Sims Ave towards Kaki Bt Ter with the conversion of Geylang Rd to one-way traffic.
	1978	15 January	Amended to ply Jln Sultan, skipping Sumbawa Rd.
	1983	20 February	Discontinued.

Service 53 (since 1994)

Operator	Route	Year	Date	Service changes
	Bishan ↺ Hougang Ave 3 (1994 - 1995)	1994	10 July	Introduced between Bishan Int and Hougang Ave 3 (Loop).
	Bishan ↺ Changi Airport (1995 - 1996)	1995	23 April	Extended to loop at Changi Airport.
	Bishan ↔ Changi Airport (1996 - 2012)	1996	TBC	Converted to bi-directional service between Bishan Int and Changi Airport PTB 1.
			3 September	Amended to ply Pasir Ris Dr 12 and Pasir Ris Dr 1, skipping Elias Rd.
			TBC	First bus from Bishan Int brought forward to 0530 hrs on Sundays and Public Holidays.
		1997	TBC	Serves additional bus stop opposite Fish Farm Rd 2 along Tampines Rd.
		1998	TBC	Serves additional bus stop after Fish Farm Rd 2 along Tampines Rd.
		2000	TBC	Serves new pair of bus stops outside and opposite SATS Flight Kitchen along Airport Blvd.
(Current)		2003	21 June	Amended to ply Serangoon Ctrl and Upp Serangoon Rd under North East MRT Line Rationalisation Phase 1.
			TBC	Serves new bus stop outside Serangoon Stn along Serangoon Ctrl.
		2007	23 June	Amended to ply Tampines Svc Rd.
			11 November	Amended to serve Changi Airport PTB 3.
		2009	26 October	Designated wheelchair-accessible bus service (WAB).
	Bishan ↺ Changi Airport (since 2012)	2012	9 January	Converted to loop service between Bishan Int and Changi Airport PTB 2.
			29 April	Serves new bus stop outside Blk 612 along Pasir Ris Dr 1.
		2022	30 October	Temporarily amended to ply Pasir Ris St 11 and Pasir Ris St 12 with the partial closure of Pasir Ris Dr 1 to facilitate the construction of Pasir Ris East MRT station on the Cross Island MRT Line.
		2023	8 October	Temporarily amended to ply Pasir Ris Ctrl and Pasir Ris Dr 8 with the partial closure of Pasir Ris Dr 1 to facilitate the construction of Pasir Ris MRT station on the Cross Island MRT Line.

Short Trip 53A (2012 - 2015)

Operator	Year	Date	Service changes
	2012	27 February	Introduced from Hougang Ave 1 (Opp Blk 232) to Serangoon Ctrl (Blk 261) during morning peak hours on weekdays. Wheelchair-accessible at launch.
	2015	16 August	Discontinued with the introduction of Service 53M.

Short Trip 53A (since 2016)

Operator	Route	Year	Date	Service changes
(Current)	Pasir Ris Dr 1 → Changi Airport (since 2016)	2016	1 September	Introduced from Pasir Ris Dr 1 (Blk 738) to Changi Airport PTB 2 during morning peak hours on weekdays. Wheelchair-accessible at launch.
		2022	30 October	Temporarily amended to ply Pasir Ris St 12 and Pasir Ris St 11 with the partial closure of Pasir Ris Dr 1 to facilitate the construction of Pasir Ris East MRT station on the Cross Island MRT Line.
		2023	8 October	Temporarily amended to ply Pasir Ris Dr 8 and Pasir Ris Ctrl with the partial closure of Pasir Ris Dr 1 to facilitate the construction of Pasir Ris MRT station on the Cross Island MRT Line.

Short Trip 53B (2012 - 2015)

Operator	Year	Date	Service changes
	2012	27 February	Introduced from Serangoon Ctrl (Blk 206) to Hougang Ave 1 (Blk 232) during evening peak hours on weekdays. Wheelchair-accessible at launch.
	2015	16 August	Discontinued with the introduction of Service 53M.

Service 53M

Operator	Route	Year	Date	Service changes
(Current)	Hougang Ave 1 ↺ Serangoon Ctrl (since 2015)	2015	16 August	Introduced between Hougang Ave 1 (Opp Blk 232) and Serangoon Ctrl (Loop) under the LTA's Bus Service Enhancement Programme (BSEP). Wheelchair-accessible at launch.
		2016	24 January	Serves additional bus stop outside Blk 209 along Boundary Rd.

Service 54 (1985 - 1987)

Operator	Year	Date	Service changes
	1985	29 December	Introduced between Hougang Int and Jln Eunos (Loop).
	1987	22 March	Integrated with Service 51 and discontinued.

Service 54 (since 1993)

Operator	Route	Year	Date	Service changes
	Bishan ↔ New Bridge Rd (1993 - 2018)	1993	5 December	Introduced between Bishan Int and New Bridge Rd Ter with the integration of Services 104 and 134 under TransitLink Network Integration Exercise Phase 14.
		1994	TBC	Last bus from New Bridge Rd Ter revised to 2330 hrs daily.
		1997	TBC	First bus from Bishan Int brought forward to 0545 hrs on weekdays.
			7 December	Amended to ply Upp Pickering St, Sth Bridge Rd and Kreta Ayer Rd with the partial closure of New Bridge Rd to facilitate the construction of Chinatown MRT station on the North East MRT Line.
		2000	20 February	Serves additional bus stop opposite Blk 333 along Kreta Ayer Rd.
			TBC	First bus from New Bridge Rd Ter extended to 2400 hrs on Saturdays.
(Current)		2002	20 April	Amended to ply the reinstated New Bridge Rd, skipping Upp Pickering St, Sth Bridge Rd and Kreta Ayer Rd.
		2006	5 November	Amended to ply Bishan St 13 and Bishan St 11.
		2009	3 December	Designated wheelchair-accessible bus service (WAB).
	Bishan ↔ Kampong Bahru (since 2018)	2018	10 March	Extended to Kg Bahru Ter with the closure of New Bridge Rd Ter.
				First bus from Kg Bahru Ter brought forward to 0610 hrs daily.
		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.

Short Trip 54A (2001 - 2004)

Operator	Year	Date	Service changes
	2001	TBC	Introduced from Bishan St 22 (Blk 245) to Bishan Rd (Bishan Stn) during morning peak hours on weekdays.
	2004	TBC	Discontinued.

Service 55 (1980 - 1988)

Operator	Route	Year	Date	Service changes
	South Canal ↺ Alexandra Rd (Feb - Mar 1980)	1980	11 February	Introduced between Sth Canal Ter and Alexandra Rd (Loop).
	South Canal ↺ Mei Chin Rd (Mar 1980 - 1988)		9 March	Amended to loop at Mei Chin Rd.
			23 November	Amended to ply Leng Kee Rd and Tiong Bahru Rd.
		1984	30 December	Amended to ply Alexandra Rd, skipping Leng Kee Rd.
		1988	18 December	Integrated with Service 195 and discontinued.

Service 55 (since 1992)

Operator	Route	Year	Date	Service changes
	Ang Mo Kio ↔ Marine Parade (1992 - 1994)	1992	29 November	Introduced between Ang Mo Kio Int and Marine Parade Ter under TransitLink Network Integration Exercise Phase 10.
	Bishan ↔ Marine Parade (1994 - 2001)	1994	16 January	Extended to Bishan Int.
	Bishan ↺ Siglap Rd (2001 - 2017)	2001	16 September	Amended to loop at Siglap Rd from Bishan Int with the closure of Marine Parade Ter.
(Current)		2003	TBC	Serves new bus stop outside Victoria Sch along Marine Parade Rd.
		2011	7 March	Designated wheelchair-accessible bus service (WAB).
	Bishan ↔ Upp East Coast (since 2017)	2017	9 April	Extended to Upp East Coast Ter.

Short Trip 55A (2001 - 2017)

Operator	Route	Year	Date	Service changes
	Bishan → Siglap Rd (2001 - 2005)	2001	16 September	Introduced from Bishan Int to Siglap Rd (Opp Mandarin Gdns) as terminating trips after the last bus of Service 55 daily.
	Bishan → Marine Parade Rd (2005 - 2017)	2005	25 April	Extended to terminate at Marine Parade Rd (Victoria Sch).
		2011	7 March	Designated wheelchair-accessible bus service (WAB).
		2017	9 April	Discontinued with the extension of Service 55 to Upp East Coast Ter.

Short Trip 55B

Operator	Route	Year	Date	Service changes
(Current)	Bishan → Ang Mo Kio Ave 10 (since 2013)	2013	25 November	Introduced from Bishan Int to Ang Mo Kio Ave 10 (Blk 443) during evening peak hours on weekdays. Wheelchair-accessible at launch.

Service 56

Operator	Route	Year	Date	Service changes
	Bishan St 11 ↺ Toa Payoh	1985	22 December	Introduced between Bishan St 11 and Toa Payoh Int (Loop).
	Bishan ↺ Toa Payoh	1986	28 December	Amended to Bishan Ter.
		1987	16 March	First bus from Bishan Ter brought forward to 0545 hrs daily.
		1989	30 April	Amended to Bishan Int.
	Bishan ↔ Marina Ctr	1990	2 September	Integrated with Services 58 and 150 and extended to Marina Ctr Ter.
		2000	TBC	Last bus from Marina Ctr Ter extended to 0015 hrs on Saturdays.
		2001	18 February	Serves new staggered bus stop outside Novena Stn along Thomson Rd, skipping the bus stop outside Novena Ch.
(Current)		2005	TBC	Skips removed bus stop outside Muhajirin Mque along Braddell Rd.
		2012	30 September	Designated wheelchair-accessible bus service (WAB).
		2021	27 February	Amended to the relocated Marina Ctr Ter.

Service 57 (1983 - 1987)

Operator	Year	Date	Service changes
	1983	25 June	Introduced between Buona Vista Ter and Changi Airport as a peak hour service on weekdays & Saturdays under Changi Airport Bus Plan 1983, replacing former SSB Service 757.
	1987	6 April	Skips removed bus stop before College Rd along Outram Rd.
		19 April	Discontinued.

Service 57 (1988 - 1992)

Operator	Year	Date	Service changes
	1988	22 August	Introduced between Bishan Ter and Sin Ming Dr (Loop), replacing Service 353.
		20 November	Amended to ply Sin Ming Rd, Sin Ming Dr, Sin Ming Ave and Upp Thomson Rd in both directions.
	1989	30 April	Amended to Bishan Int.
	1990	21 February	Skips removed bus stop opposite Jasmine Rd along Upp Thomson Rd.
	1992	3 May	Discontinued under TransitLink Network Integration Exercise Phase 7 with the introduction of Townlink Service 410G/410W.

Service 57 (since 2005)

Operator	Route	Year	Date	Service changes
(Current)	Bishan ↔ Bukit Merah (since 2005)	2005	31 July	Introduced between Bishan Int and Bt Merah Int, operating between 0600 hrs and 2330 hrs from Bishan Int daily, and between 0545 hrs and 2400 hrs from Bt Merah Int daily.
			2 October	Serves new bus stop outside New 7th Storey Hotel along Rochor Rd.
		2006	29 October	Serves new bus stop outside VivoCity along Telok Blangah Rd.
		2007	21 January	Amended to ply Thomson Rd, Kg Java Rd and Keng Lee Rd, skipping Whitley Rd/PIE and Dunearn Rd.
			24 June	Serves new bus stop outside Blk 114 along Depot Rd.
		2008	7 December	Skips removed bus stop opposite Temenggong D Mque along Telok Blangah Rd.
		2009	3 December	Designated wheelchair-accessible bus service (WAB).

Service 58 (1987 - 1990)

Operator	Year	Date	Service changes
	1987	18 January	Introduced between Bishan Ter and Marina Ctr (Loop).
	1989	30 April	Amended to Bishan Int.
	1990	2 September	Integrated with Service 56 and discontinued.

Service 58 (since 2005)

Operator	Route	Year	Date	Service changes
(Current)	Bishan ↔ Pasir Ris (since 2005)	2005	31 July	Introduced between Bishan Int and Pasir Ris Int, operating between 0530 hrs and 2400 hrs from Bishan Int and Pasir Ris Int daily.
		2011	28 August	Amended to ply Jln Tenaga, Bedok Reservoir Rd and Jln Damai with the partial closure of Kaki Bt Ave 1 to facilitate the construction of Kaki Bt MRT station on the Downtown MRT Line.
		2012	26 March	Designated wheelchair-accessible bus service (WAB).
		2013	22 September	Serves new bus stop outside Wisma AUPE along Upp Paya Lebar Rd.
		2016	24 April	Amended to ply the reinstated Kaki Bt Ave 1, skipping Jln Tenaga, Bedok Reservoir Rd and Jln Damai.
		2017	28 May	Serves 2 new pairs of bus stops after Tampines Ave 5, before Tampines Fire Stn, outside The Santorini and after Tampines Ave 1 along Tampines Ave 10.
		2022	27 November	Serves new pair of bus stops outside and opposite HomeTeamNS Bedok along Bedok Nth Rd.

Short Trip 58A

Operator	Route	Year	Date	Service changes
(Current)	Upp Serangoon Rd → Tampines Ave 10 (since 2017)	2017	10 April	Introduced from Upp Serangoon Rd (Serangoon Stn Exit H) to Tampines Ave 10 (Bef TPE) during peak hours on weekdays. Wheelchair-accessible at launch.
		2022	27 November	Serves new bus stop opposite HomeTeamNS Bedok along Bedok Nth Rd.

Short Trip 58B

Operator	Route	Year	Date	Service changes
(Current)	Pasir Ris → Upp Paya Lebar Rd (since 2017)	2017	10 April	Introduced from Pasir Ris Int to Upp Paya Lebar Rd (Aft Tai Seng Stn) during peak hours on weekdays. Wheelchair-accessible at launch.
		2022	27 November	Serves new bus stop outside HomeTeamNS Bedok along Bedok Nth Rd.

Service 59 (1988 - 1999)

Operator	Route	Year	Date	Service changes
	Bishan ↔ Jln Kayu (1988 - 1992)	1988	10 July	Introduced between Bishan Ter and Jln Kayu Ter.
		1989	30 April	Amended to Bishan Int.
	Ang Mo Kio ↺ Jln Kayu (1992 - 1999)	1992	3 May	Shortened to Ang Mo Kio Int and amended to loop at Jln Kayu under TransitLink Network Integration Exercise Phase 7.
		1995	17 December	Operations transferred to TIBS. Amended to start from Jln Kayu Ter and loop at Ang Mo Kio Int.
		1998	TBC	Skips a pair of temporarily closed bus stops before and after Seletar West Farmway 1 along Jln Kayu.
		1999	21 February	Extended to Sengkang Ter and re-numbered Service 866.

Service 59 (since 2005)

Operator	Route	Year	Date	Service changes
(Current)	Bishan ↔ Changi Village (since 2005)	2005	23 October	Introduced between Bishan Int and Changi Village Ter, operating between 0600 hrs and 2330 hrs from Bishan Int and Changi Village Ter daily.
		2006	TBC	First bus from Bishan Int brought forward to 0545 hrs on weekdays.
		2010	28 June	Designated wheelchair-accessible bus service (WAB).
		2011	28 August	Amended to ply Jln Tenaga, Bedok Reservoir Rd and Jln Damai with the partial closure of Kaki Bt Ave 1 to facilitate the construction of Kaki Bt MRT station on the Downtown MRT Line.
		2016	24 April	Amended to ply the reinstated Kaki Bt Ave 1, skipping Jln Tenaga, Bedok Reservoir Rd and Jln Damai.
		2017	21 October	Serves new pair of bus stops outside Tampines East Stn along Tampines Ave 2.
		2023	26 February	Temporarily amended to ply the bus-only corridor along Loyang Ave and Loyang Way with the partial closure of Loyang Ave to facilitate the construction of Loyang Viaduct and Loyang MRT station on the Cross Island MRT Line, skipping 3 pairs of bus stops along Loyang Ave.

Service 60 (April - May 1971)

Operator	Year	Date	Service changes
STC	1971	11 April	Introduced between MacPherson Ter and Prince Edward Ter under 1971 Bus Reorganisation.
		9 May	Integrated with Service 60A and renumbered Service 60/60A.

Service 60 (1976 - 1991)

Operator	Route	Year	Date	Service changes
	MacPherson ↺ Shenton Way (1976 - 1985)	1976	16 August	Introduced between MacPherson Ter and Shenton Way (Loop) as a semi-express service, operating on weekdays and Saturdays only.
		1979	11 February	Amended to ply the extended Shenton Way, Keppel Rd and Anson Rd, skipping Parsi Rd.
		1981	11 October	Serves new staggered bus stop outside Tunas Bldg along Anson Rd, skipping the bus stop outside Intl Plaza.
	Prince Edward ↺ Circuit Rd (1985 - 1987)	1985	29 April	Amended to ply Geylang East Ctrl and re-routed to start from Prince Edward Ter and loop at Circuit Rd, skipping Merpati Rd/Mattar Rd.
		1987	5 January	Skips the bus stop outside Clifford Ctr along Collyer Quay.
	Shenton Way ↺ Circuit Rd (1987 - 1991)		28 June	Amended to Shenton Way Ter.
		1991	26 May	Discontinued under TransitLink Network Integration Exercise Phase 5.

Service 60 (since 2002)

Operator	Route	Year	Date	Service changes
(Current)	Eunos ↺ Bedok (since 2002)	2002	17 November	Introduced between Eunos Int and Bedok Int (Loop) with the integration of Services 226 and 385.
		2004	7 November	Amended to ply the branch road of Bedok Reservoir Rd towards Bedok Int.
		2011	7 March	Designated wheelchair-accessible bus service (WAB).
			19 November	Amended to loop at Bedok Temp Int.
		2013	TBC	Last bus extended to 0030 hrs daily.
		2014	30 November	Amended to loop at Bedok Integrated Transport Hub.
		2017	21 October	Serves new bus stop outside Bedok Nth Stn along Bedok Nth Rd.
		2019	5 October	Last bus extended to 0035 hrs daily.

Service 60/60A (1971 - 1974)

Operator	Year	Date	Service changes
STC	1971	9 May	Re-numbered from Service 60 as a service between MacPherson Ter and Prince Edward Ter.
UBC		6 December	Operations transferred to UBC.
	1974	3 February	Discontinued under 1974 Bus Rationalisation.

Service 60A (April - May 1971)

Operator	Year	Date	Service changes
STC	1971	11 April	Introduced between MacPherson Ter and Stamford Rd (Loop) under 1971 Bus Reorganisation.
		9 May	Integrated with Service 60 and discontinued.

Short Trip 60A

Operator	Route	Year	Date	Service changes
(Current)	Eunos → Bedok → Bedok Reservoir Rd (2002 - 2004)	2002	17 November	Introduced from Eunos Int to Bedok Reservoir Rd (Blk 608) via Bedok Int during evening peak hours on weekdays.
	Eunos → Bedok Reservoir Rd (since 2004)	2004	7 November	Shortened to terminate at Bedok Reservoir Rd (Blk 608) without looping at Bedok Int.
		2011	7 March	Designated wheelchair-accessible bus service (WAB).

Service 60T

Operator	Route	Year	Date	Service changes
(Current)	Eunos → Bedok (since 2021)	2021	11 April	Introduced from Eunos Int to Bedok Int, operating after the last bus of Service 60 daily. Wheelchair-accessible at launch.