History of Services 51 - 60

Service 51

Operator	Year	Date	Service changes
ABS	1971	11 April	Introduced between Jln Eunos Ter and Alexandra Rd Ter under 1971 Bus Reorganisation.
	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.
	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 North Bridge Rd, skipping the bus stop outside St Andrew's Cathedral.
	1988	18 December	Integrated with Service 192 and extended to Jurong East Int.
	1990	22 July	Serves additional bus stop outside Ellenborough Market along Eu Tong Sen St.
	1996	TBC	Serves additional bus stop outside Kallang Stn along Sims Ave.
	1997	TBC	Serves the bus stop outside Bugis Stn along Victoria St, skipping the bus stop opposite Bugis Junction.
	1999	TBC	Serves new pair of bus stops outside and opposite West Bay Resort Condo along West Coast Rd.
Template:SBS Transit (Current)	2002	12 May	Amended to ply Pandan Gardens.
	2004	15 February	Extended to Hougang Central Int with the closure of Hougang South Int.
	2007	22 May	Designated wheelchair-accessible bus service (WAB).
	2009	5 July	Amended to ply Boon Lay Way and Jurong East Central 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.

Service 51A

Operator	Year	Date	Service changes
Template:SBS Transit (Current)	2002	12 May	Introduced as a short-trip service from Jurong East Int to Pandan Gardens (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 Central 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.

Service 52

Operator	Service Gen	Year	Date	Service changes
ABS	1st Gen (1971 - 1974)	1971	3 July	Introduced between Jln Eunos Ter and Tg Pagar Rd Ter.
		1974	3 February	Withdrawn under 1974 Bus Rationalisation.
Template:SBS Transit (Current)	2nd Gen (Since 2005)	2005	23 October	Re-introduced between Bishan Int and Jurong East Int.
		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 Link 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 Link.
		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.

Service 53

Operator	Service Gen	Year	Date	Service changes
	1st Gen (1974 - 1983)	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	Withdrawn.
	2nd Gen (Since 1994)	1994	10 July	Re-introduced between Bishan Int and Hougang Ave 3 (Loop).
		1995	23 April	Extended to loop at Changi Airport.
		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.
		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.
Template:SBS Transit (Current)		2003	21 June	Amended to ply Serangoon Central and Upp Serangoon Rd under North East MRT Line Rationalisation Phase 1.
		2007	23 June	Amended to ply Tampines Service Rd.
			11 November	Amended to serve Changi Airport PTB 3.
		2009	26 October	Designated wheelchair-accessible bus service (WAB).
		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.

Service 53A

Operator	Service Gen	Year	Date	Service changes
Template:SBS Transit (Current)	1st Gen (2012 - 2015)	2012	27 February	Introduced as a short-trip service from Hougang Ave 1 (Opp Blk 232) to Serangoon Central (Blk 261) during morning peak hours on weekdays. Wheelchair-accessible at launch.
		2015	16 August	Withdrawn with the introduction of Service 53M under LTA's Bus Service Enhancement Programme (BSEP).
	2nd Gen (Since 2016)	2016	1 September	Re-introduced as a short-trip service from Pasir Ris Dr 1 (Blk 738) to Changi Airport PTB 2 during morning peak hours on weekdays. Wheelchair-accessible at launch.

Service 53B

Operator	Year	Date	Service changes
Template:SBS Transit	2012	27 February	Introduced as a short-trip service from Serangoon Central (Blk 206) to Hougang Ave 1 (Blk 232) during evening peak hours on weekdays. Wheelchair-accessible at launch.
	2015	16 August	Withdrawn with the introduction of Service 53M under LTA's Bus Service Enhancement Programme (BSEP).

Service 53M

Operator	Year	Date	Service changes
Template:SBS Transit (Current)	2015	16 August	Introduced between Hougang Ave 1 and Serangoon Central (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

Operator	Service Gen	Year	Date	Service changes
	1st Gen (1985 - 1987)	1985	29 December	Introduced between Hougang Int and Jln Eunos (Loop).
		1987	22 March	Integrated with Service 51 and withdrawn.
	2nd Gen (Since 1993)	1993	5 December	Re-introduced between Bishan Int and New Bridge Rd Ter with the integration of Services 104 and 134 under TransitLink Network Integration Exercise Phase 14.
		1997	7 December	Amended to ply Upp Pickering St, South 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		TBC	Serves additional bus stop opposite Blk 333 along Kreta Ayer Rd.
Template:SBS Transit (Current)		2002	20 April	Amended to ply the reinstated New Bridge Rd, skipping Upp Pickering St, South 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).
		2018	10 March	Extended to Kg Bahru Ter with the closure of New Bridge Rd Ter.

Service 54A

Operator	Year	Date	Service changes
	2000	TBC	Introduced as a short-trip service from Bishan St 22 (Blk 245) to Bishan Rd (Bishan Stn) during morning peak hours on weekdays.
Template:SBS Transit	2004	TBC	Withdrawn.

Service 55

Operator	Service Gen	Year	Date	Service changes
	1st Gen (1980 - 1988)	1980	11 February	Introduced between South Canal Ter and Alexandra Rd (Loop).
			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 withdrawn.
	2nd Gen (Since 1992)	1992	29 November	Re-introduced between Ang Mo Kio Int and Marine Parade Ter under TransitLink Network Integration Exercise Phase 10.
		1993	5 December	Extended to Bishan Int.
		2001	16 September	Amended to loop at Siglap Rd from Bishan Int with the closure of Marine Parade Ter.
Template:SBS Transit (Current)		2003	TBC	Serves new bus stop outside Victoria Sch along Marine Parade Rd.
		2011	7 March	Designated wheelchair-accessible bus service (WAB).
		2017	9 April	Extended to Upp East Coast Ter.

Service 55A

Operator	Year	Date	Service changes
	2001	16 September	Introduced as a short-trip service from Bishan Int to Siglap Rd (Opp Mandarin Gdns), operating after the last bus of Service 55 daily.
Template:SBS Transit	2005	TBC	Extended to terminate at Marine Parade Rd (Victoria Sch).
	2011	7 March	Designated wheelchair-accessible bus service (WAB).
	2017	9 April	Withdrawn with the route extension of Service 55 to Upp East Coast Ter.

Service 55B

Operator	Year	Date	Service changes
Template:SBS Transit (Current)	2013	25 November	Introduced as a short-trip service from Bishan Int to Ang Mo Kio Ave 10 (Blk 443) during evening peak hours on weekdays. Wheelchair-accessible at launch.

Service 56

Operator	Year	Date	Service changes
	1985	22 December	Introduced between Bishan East St 11 and Toa Payoh Int (Loop).
	1986	28 December	Amended to Bishan Ter.
	1989	30 April	Amended to Bishan Int.
	1990	2 September	Integrated with Services 58 and 150 and extended to Marina Ctr Ter.
	2001	18 February	Serves new staggered bus stop outside Novena Stn along Thomson Rd, skipping the bus stop outside Novena Church.
Template:SBS Transit (Current)	2005	TBC	Skips abolished bus stop outside Muhajirin Mosque along Braddell Rd.
	2012	30 September	Designated wheelchair-accessible bus service (WAB).

Service 56A

Operator	Year	Date	Service changes
Template:SBS Transit	2008	23 September	Introduced as a temporary short-trip service from Bishan Int to Beach Rd (Opp Raffles Hotel) during the 2008 Formula 1 Singapore Grand Prix.
		30 September	Withdrawn.

Service 57

Operator	Service Gen	Year	Date	Service changes
	1st Gen (1983 - 1987)	1983	25 June	Introduced between Buona Vista Ter and Changi Airport as a peak hour service under Changi Airport Bus Plan 1983, replacing former SSB Service 757.
		1987	6 April	Skips abolished bus stop before College Rd along Outram Rd.
			19 April	Withdrawn.
	2nd Gen (1988 - 1992)	1988	22 August	Re-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 abolished bus stop opposite Jasmine Rd along Upp Thomson Rd.
		1992	3 May	Withdrawn under TransitLink Network Integration Exercise Phase 7 with the introduction of Service 410.
Template:SBS Transit (Current)	3rd Gen (Since 2005)	2005	31 July	Re-introduced between Bishan Int and Bt Merah Int.
			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 abolished bus stop opposite Temenggong D Mosque along Telok Blangah Rd.
		2009	3 December	Designated wheelchair-accessible bus service (WAB).

Service 58

Operator	Service Gen	Year	Date	Service changes
	1st Gen (1987 - 1990)	1987	18 January	Introduced between Bishan Ter and Marina Centre (Loop).
		1989	30 April	Amended to Bishan Int.
		1990	2 September	Integrated with Service 56 and withdrawn.
Template:SBS Transit (Current)	2nd Gen (Since 2005)	2005	31 July	Re-introduced between Bishan Int and Pasir Ris Int.
		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 Bukit 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.

Service 58A

Operator	Year	Date	Service changes
Template:SBS Transit (Current)	2017	10 April	Introduced as a short-trip service from Upp Serangoon Rd (S'goon Stn Exit H) to Tampines Ave 10 (Bef TPE) during peak hours on weekdays. Wheelchair-accessible at launch.

Service 58B

Operator	Year	Date	Service changes
Template:SBS Transit (Current)	2017	10 April	Introduced as a short-trip service from Pasir Ris Int to Upp Paya Lebar Rd (Aft Tai Seng Stn) during peak hours on weekdays. Wheelchair-accessible at launch.

Service 59

Operator	Service Gen	Year	Date	Service changes
	1st Gen (1988 - 1999)	1988	10 July	Introduced between Bishan Ter and Jln Kayu Ter.
		1989	30 April	Amended to Bishan Int.
		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.
		1998	TBC	Skips a pair of temporarily abolished bus stops before and after Seletar West Farmway 1 along Jln Kayu.
		1999	21 February	Extended to Sengkang Ter and re-numbered Service 866.
Template:SBS Transit (Current)	2nd Gen (Since 2005)	2005	23 October	Re-introduced between Bishan Int and Changi Village Ter.
		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 Bukit 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.

Service 60

Operator	Service Gen	Year	Date	Service changes
STC	1st Gen (1971)	1971	11 April	Introduced between MacPherson Ter and Prince Edward Rd Ter under 1971 Bus Reorganisation.
			9 May	Integrated with Service 60A and renumbered Service 60/60A.
	2nd Gen (1976 - 1991)	1976	16 August	Re-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.
		1985	29 April	Amended to ply Geylang East Central 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.
			28 June	Amended to Shenton Way Ter.
		1991	26 May	Withdrawn under TransitLink Network Integration Exercise Phase 5.
Template:SBS Transit (Current)	3rd Gen (Since 2002)	2002	17 November	Re-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.
		2014	30 November	Amended to loop at Bedok Integrated Transport Hub.
		2017	21 October	Serves new bus stop outside Bedok North Stn along Bedok North Rd.

Service 60/60A

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

Service 60A

Operator	Service Gen	Year	Date	Service changes
STC	1st Gen (1971)	1971	11 April	Introduced between MacPherson Ter and Stamford Rd (Loop) under 1971 Bus Reorganisation.
			9 May	Integrated with Service 60 and withdrawn.
Template:SBS Transit (Current)	2nd Gen (Since 2006)	2002	17 November	Re-introduced as a short-trip service from Eunos Int to Bedok Reservoir Rd (Blk 608) during evening peak hours on weekdays.
		2011	7 March	Designated wheelchair-accessible bus service (WAB).