History of Services 50 - 59: Difference between revisions

Latest revision as of 23:05, 28 October 2025

Service 50

1^st Generation (1971 - 1991)

Operator	Route	Year	Date	Service changes
Associated Bus Services	Kaki Bukit ↔ Prince Edward	1971	11 April	Introduced between Kaki Bt Ter and Prince Edward Ter under 1971 Bus Reorganisation.
Associated Bus Services	Kaki Bukit ↔ Lengkok Bahru	1971	9 May	Extended to Lengkok Bahru Ter.
		1973	1 July	Operations transferred to Singapore Bus Services.
		1974	3 February	Amended to ply Sims Ave and Paya Lebar Rd under 1974 Bus Rationalisation, skipping Geylang Rd and Changi Rd.
		1974	8 December	Amended to skip Market St.
		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.
		1975	2 March	Amended to ply Geylang Rd towards Lengkok Bahru Ter with the conversion of Sims Ave to one-way traffic.
		1976	15 February	Serves new staggered bus stop between Bank of India and Hong Leong Holdings along Robinson Rd.
		1978	15 January	Amended to ply Jln Sultan, skipping Sumbawa Rd.
		1979	11 February	Amended to ply the extended Shenton Way towards Lengkok Bahru Ter, skipping Parsi Rd and Anson Rd.
	Kaki Bukit ↔ Bukit Merah	1979	23 December	Amended to Bt Merah Ctrl Ter.
		1980	20 January	Amended to ply Spottiswoode Pk Rd with the partial conversion of Cantonment Rd to one-way traffic.
		1980	28 September	Amended to Bt Merah Int.
		1981	11 October	Serves new staggered bus stop outside Tunas Bldg along Anson Rd, skipping the bus stop outside Intl Plaza.
	Jln Eunos ↔ Bukit Merah	1984	17 June	Amended to Jln Eunos Ter.
	Eunos ↔ Bukit Merah	1987	22 March	Amended to Eunos Ter.
		1987	6 April	Skips removed bus stop before College Rd along Outram Rd.
		1989	10 December	Amended to Eunos Int.
		1991	6 January	Discontinued under TransitLink Network Integration Exercise Phase 1.

2^nd Generation (since 2012)

Operator	Route	Year	Date	Service changes
(Current)	Bishan ↔ Punggol	2012	16 December	Introduced between Bishan Int and Punggol Int under the LTA's Bus Service Enhancement Programme (BSEP), operating between 0545 hrs and 2345 hrs on weekdays & Saturdays / between 0600 hrs and 2345 hrs on Sundays & Public Holidays from Bishan Int, and between 0530 hrs and 2345 hrs on weekdays & Saturdays / between 0545 hrs and 2345 hrs on Sundays & Public Holidays from Punggol Int.
		2013	31 March	Designated wheelchair-accessible bus service (WAB). ^[1]
		2013	13 October	Amended to ply Sengkang West Ave and Sengkang West Rd with the partial closure of Jln Kayu.
		2015	11 January	Serves additional bus stop outside Blk 988B along Yio Chu Kang Rd.
		2016	25 September	Serves new pair of bus stops outside Waterwoods and after Punggol Field along Punggol East.
	50Bishan ↔ Punggol 50APunggol East → Ang Mo Kio Ave 8	2024	30 September	50AIntroduced from Punggol East (Aft Punggol Field) to Ang Mo Kio Ave 8 (Bef Ang Mo Kio Stn Exit B) during morning peak hours on weekdays excluding public holidays. Wheelchair-accessible bus service (WAB) at launch. ^[2]

Service 50A

Operator	Route	Year	Date	Service changes
Associated Bus Services	Kaki Bt ↺ Stamford Rd	1971	11 April	Introduced between Kaki Bt Ter and Stamford Rd (Loop) under 1971 Bus Reorganisation.
		1973	1 July	Operations transferred to Singapore Bus Services.
		1974	3 February	Extended to Alexandra Rd (Alexandra Hosp) Ter and re-numbered Service 53 under 1974 Bus Rationalisation.

Service 51

Operator	Route	Year	Date	Service changes
Associated Bus Services	Jln Eunos ↔ Labrador	1971	11 April	Introduced between Jln Eunos Ter and Labrador Ter under 1971 Bus Reorganisation.
		1971	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.
(Current) Known as prior to 1 November 2001		1973	1 July	Operations transferred to Singapore Bus Services.
		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 ↔ Labrador	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 ↔ Jurong East	1988	18 December	Integrated with Service 192 and extended to Jurong East Int.
	Hougang ↔ Jurong East	1990	22 July	Serves additional bus stop outside Ellenborough Mkt along Eu Tong Sen St.
	Hougang South ↔ Jurong East	1994	17 December	Hougang Int renamed to Hougang Sth Int.
		1996	TBC	Serves additional bus stop outside Kallang Stn along Sims Ave.
		1996	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.
	51Hougang South ↔ Jurong East 51AJurong East → Pandan Gardens	2002	12 May	Amended to ply Pandan Gdns.
		2002	12 May	51AIntroduced from Jurong East Int to Pandan Gdns (Blk 407), operating after the last bus of Service 51 daily.
	51Hougang Ctrl ↔ Jurong East 51AJurong East → Pandan Gardens	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.

Service 52

1^st Generation (1971 - 1974)

Operator	Route	Year	Date	Service changes
Associated Bus Services	Jln Eunos ↔ Tg Pagar Rd	1971	3 July	Introduced between Jln Eunos Ter and Tg Pagar Rd Ter.
		1973	1 July	Operations transferred to Singapore Bus Services.
		1974	3 February	Discontinued under 1974 Bus Rationalisation.

2^nd Generation (since 2005)

Operator	Route	Year	Date	Service changes
(Current)	Bishan ↔ Jurong East	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 station on the Downtown 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.^[3]
		2019	23 June	Amended to ply northbound Lornie Highway towards Bishan Int.^[4]
		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

1^st Generation (1974 - 1983)

Route	Year	Date	Service changes
Kaki Bt ↔ Alexandra Rd	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.

2^nd Generation (since 1994)

Operator	Route	Year	Date	Service changes
(Current) Known as prior to 1 November 2001	Bishan ↺ Hougang Ave 3	1994	10 July	Introduced between Bishan Int and Hougang Ave 3 (Loop).
	Bishan ↺ Changi Airport	1995	23 April	Extended to loop at Changi Airport.
	Bishan ↔ Changi Airport	1996	TBC	Converted to bi-directional service between Bishan Int and Changi Airport PTB1.
			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.
		2003	21 June	Amended to ply Serangoon Ctrl and Upp Serangoon Rd under North East Line Rationalisation Phase 1.
		2003	TBC	Serves new bus stop outside Serangoon Stn along Serangoon Ctrl.
		2007	23 June	Amended to ply Tampines Svc Rd.
		2007	11 November	Amended to serve Changi Airport PTB3.
		2009	26 October	Designated wheelchair-accessible bus service (WAB).
	Bishan ↺ Changi Airport	2012	9 January	Converted to loop service between Bishan Int and Changi Airport PTB2.
	53Bishan ↺ Changi Airport 53AHougang Ave 1 → Serangoon Ctrl 53BSerangoon Ctrl → Hougang Ave 1		27 February	53AIntroduced from Hougang Ave 1 (Opp Blk 232) to Serangoon Ctrl (Blk 261) during morning peak hours on weekdays. Wheelchair-accessible bus service (WAB) at launch.
			27 February	53BIntroduced from Serangoon Ctrl (Blk 206) to Hougang Ave 1 (Blk 232) during evening peak hours on weekdays. Wheelchair-accessible bus service (WAB) at launch.
			29 April	Serves new bus stop outside Blk 612 along Pasir Ris Dr 1.
	Bishan ↺ Changi Airport	2015	16 August	53ADiscontinued with the introduction of Service 53M.
	Bishan ↺ Changi Airport	2015	16 August	53BDiscontinued with the introduction of Service 53M.
	53Bishan ↺ Changi Airport 53APasir Ris Dr 1 → Changi Airport	2016	1 September	53AIntroduced from Pasir Ris Dr 1 (Blk 738) to Changi Airport PTB2 during morning peak hours on weekdays. Wheelchair-accessible bus service (WAB) at launch.
		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 station on the Cross Island 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 station on the Cross Island Line.

Service 53M

Operator	Route	Year	Date	Service changes
(Current)	Hougang Ave 1 ↺ Serangoon Ctrl	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 bus service (WAB) at launch.
	Hougang Ave 1 ↺ Serangoon Ctrl	2016	24 January	Serves additional bus stop outside Blk 209 along Boundary Rd.
	Hougang St 21 ↺ Serangoon Ctrl	2025	26 October	Extended to Hougang St 21 (Kovan Hub).

Service 54

1^st Generation (1985 - 1987)

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

2^nd Generation (since 1993)

Operator	Route	Year	Date	Service changes
(Current) Known as prior to 1 November 2001	Bishan ↔ New Bridge Rd	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.
		1997	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 station on the North East Line.
		2000	20 February	Serves additional bus stop opposite Blk 333 along Kreta Ayer Rd.
		2000	TBC	Last bus from New Bridge Rd Ter extended to 2400 hrs on Saturdays.
	54Bishan ↔ New Bridge Rd 54ABishan St 22 → Bishan Rd	2001	TBC	54AIntroduced from Bishan St 22 (Blk 245) to Bishan Rd (Bishan Stn) during morning peak hours on weekdays.
	54Bishan ↔ New Bridge Rd 54ABishan St 22 → Bishan Rd	2002	20 April	Amended to ply the reinstated New Bridge Rd, skipping Upp Pickering St, Sth Bridge Rd and Kreta Ayer Rd.
	Bishan ↔ New Bridge Rd	2004	TBC	54ADiscontinued.
		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	2018	10 March	Extended to Kg Bahru Ter with the closure of New Bridge Rd Ter.
		2018	10 March	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).^[5]
		2023	8 January	Skips the bus stop outside Newton Stn Exit B along Scotts Rd temporarily to facilitate upgrading works.
		2023	27 August	Serves reinstated bus stop outside Newton Stn Exit B along Scotts Rd.
		2025	9 March	Serves additional bus stop outside Outram Pk Stn Exit 4 along New Bridge Rd.

Service 55

1^st Generation (1980 - 1988)

Route	Year	Date	Service changes
South Canal ↺ Alexandra Rd	1980	11 February	Introduced between Sth Canal Ter and Alexandra Rd (Loop).
South Canal ↺ Mei Chin Rd		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.

2^nd Generation (since 1992)

Operator	Route	Year	Date	Service changes
(Current) Known as prior to 1 November 2001	Ang Mo Kio ↔ Marine Parade	1992	29 November	Introduced between Ang Mo Kio Int and Marine Parade Ter under TransitLink Network Integration Exercise Phase 10.
	Bishan ↔ Marine Parade	1994	16 January	Extended to Bishan Int.
	55Bishan ↺ Siglap Rd 55ABishan → Siglap Rd	2001	16 September	Amended to loop at Siglap Rd from Bishan Int with the closure of Marine Parade Ter.
		2001	16 September	55AIntroduced from Bishan Int to Siglap Rd (Opp Mandarin Gdns) as terminating trips after the last bus of Service 55 daily.
		2003	TBC	Serves new bus stop outside Victoria Sch along Marine Parade Rd.
	55Bishan ↺ Siglap Rd 55ABishan → Marine Parade Rd	2005	25 April	55AExtended to terminate at Marine Parade Rd (Victoria Sch).
	55Bishan ↺ Siglap Rd 55ABishan → Marine Parade Rd	2011	7 March	Designated wheelchair-accessible bus service (WAB).
	55Bishan ↺ Siglap Rd 55ABishan → Marine Parade Rd 55BBishan → Ang Mo Kio Ave 10	2013	25 November	55BIntroduced from Bishan Int to Ang Mo Kio Ave 10 (Blk 443) during evening peak hours on weekdays. Wheelchair-accessible bus service (WAB) at launch.
	55Bishan ↔ Upp East Coast 55BBishan → Ang Mo Kio Ave 10	2017	9 April	55Extended to Upp East Coast Ter.
		2017	9 April	55ADiscontinued with the extension of Service 55 to Upp East Coast Ter.
		2025	31 August	Skips bus stop outside Kew Green Condo along Upp East Coast Rd.^[6]

Service 56

Operator	Route	Year	Date	Service changes
(Current) Known as prior to 1 November 2001	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.
		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

1^st Generation (1983 - 1987)

Route	Year	Date	Service changes
Buona Vista ↔ Changi Airport	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.
	1987	19 April	Discontinued.

2^nd Generation (1988 - 1992)

Route	Year	Date	Service changes
Bishan ↺ Sin Ming Dr	1988	22 August	Introduced between Bishan Ter and Sin Ming Dr (Loop), replacing Service 353.
	1988	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.

3^rd Generation (since 2005)

Operator	Route	Year	Date	Service changes
(Current)	Bishan ↔ Bukit Merah	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.
		2005	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.
		2007	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

1^st Generation (1987 - 1990)

Route	Year	Date	Service changes
Bishan ↺ Marina Ctr	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.

2^nd Generation (since 2005)

Operator	Route	Year	Date	Service changes
(Current)	Bishan ↔ Pasir Ris	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 Bukit station on the Downtown 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.
	58Bishan ↔ Pasir Ris 58AUpp Serangoon Rd → Tampines Ave 10 58BPasir Ris → Upp Paya Lebar Rd	2017	10 April	58AIntroduced from Upp Serangoon Rd (Serangoon Stn Exit H) to Tampines Ave 10 (Bef TPE) during peak hours on weekdays. Wheelchair-accessible bus service (WAB) at launch.
			10 April	58BIntroduced from Pasir Ris Int to Upp Paya Lebar Rd (Aft Tai Seng Stn) during peak hours on weekdays. Wheelchair-accessible bus service (WAB) at launch.
			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.
		2025	27 April	Amended to Pasir Ris Integrated Transport Hub.

Service 59

1^st Generation (1988 - 1999)

Route	Year	Date	Service changes
Bishan ↔ Jln Kayu	1988	10 July	Introduced between Bishan Ter and Jln Kayu Ter.
Bishan ↔ Jln Kayu	1989	30 April	Amended to Bishan Int.
Ang Mo Kio ↺ Jln Kayu	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 Trans Island Bus Services. 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.

2^nd Generation (since 2005)

Operator	Route	Year	Date	Service changes
(Current)	Bishan ↔ Changi Village	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 Bukit station on the Downtown 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 station on the Cross Island Line, skipping 3 pairs of bus stops along Loyang Ave.
		2025	26 October	Serves a new pair of bus stops in front of and opposite Blk 961A along Bedok Reservoir Rd.^[7]

References

↑ "SBS Transit Rolls Out Nine New Wheelchair Accessible Bus Services" SBS Transit, 25 March 2013
↑ Introduction of Service 50A SBS Transit, 16 September 2024
↑ "Lornie Highway Opening: Changes to Services 52, 74, 93, 157, 165 and 852 from Sun, 28 Oct" SBS Transit, 17 October 2018
↑ "Route amendment for Services 52, 74, 93 and 852" SBS Transit, 10 June 2019
↑ "Changes in Bus Stops along Thomson Road for Services 54, 130, 132, 141, 156, 162, 162M, 166 and 851" SBS Transit, 26 October 2020
↑ "Bus services to skip bus stop along Upper East Coast Road from Sunday, 31 August 2025" SBS Transit (29 August 2025). Archived 31 August 2025.
↑ "Bus Services to Call at New Bus Stops along Bedok Reservoir Road" SBS Transit, 21 October 2025.

History of Services 50 - 59: Difference between revisions

Latest revision as of 23:05, 28 October 2025

Contents

Service 50

1^st Generation (1971 - 1991)

2^nd Generation (since 2012)

Service 50A

Service 51

Service 52

1^st Generation (1971 - 1974)

2^nd Generation (since 2005)

Service 53

1^st Generation (1974 - 1983)

2^nd Generation (since 1994)

Service 53M

Service 54

1^st Generation (1985 - 1987)

2^nd Generation (since 1993)

Service 55

1^st Generation (1980 - 1988)

2^nd Generation (since 1992)

Service 56

Service 57

1^st Generation (1983 - 1987)

2^nd Generation (1988 - 1992)

3^rd Generation (since 2005)

Service 58

1^st Generation (1987 - 1990)

2^nd Generation (since 2005)

Service 59

1^st Generation (1988 - 1999)

2^nd Generation (since 2005)

References

See also

Navigation menu

@@ Line 1: / Line 1: @@
-==Service 51 (Current)==
+==Service 50==
-{{:Bus Service 51}}
+===1<sup>st</sup> Generation (1971 - 1991)===
-==Service 52==
-===1st Generation (1971 - 1974)===
 {| class="wikitable" style='text-align:center'
 !style={{CSS/PAST|xfc=|xbc=}}|Operator
@@ Line 11: / Line 8: @@
 !style={{CSS/PAST|xfc=|xbc=}}|Service changes
 |-
-|{{ABS}}
+|rowspan=2|{{ABS}}
-|rowspan=3|Jln Eunos ↔ Tg Pagar Rd
+|Kaki Bukit ↔ Prince Edward
-|'''1971'''
+|rowspan=2|'''1971'''
-|'''3 July'''
+|'''11 April'''
-|style='text-align:left'|Introduced between Jln Eunos Ter and Tg Pagar Rd Ter.
+|style='text-align:left'|Introduced between Kaki Bt Ter and Prince Edward Ter under 1971 Bus Reorganisation.
+|-
+|rowspan=9|Kaki Bukit ↔ Lengkok Bahru
+|'''9 May'''
+|style='text-align:left'|Extended to Lengkok Bahru Ter.
 |-
-|rowspan=2|{{SBS}}
+|rowspan=18|{{SBS}}
 |'''1973'''
 |'''1 July'''
 |style='text-align:left'|Operations transferred to Singapore Bus Services.
 |-
-|'''1974'''
+|rowspan=2|'''1974'''
 |'''3 February'''
-|style='text-align:left'|Discontinued under 1974 Bus Rationalisation.
+|style='text-align:left'|Amended to ply Sims Ave and Paya Lebar Rd under 1974 Bus Rationalisation, skipping Geylang Rd and Changi Rd.
-|}
+|-
+|'''8 December'''
-===2nd Generation (Current)===
+|style='text-align:left'|Amended to skip Market St.
-{{:Bus Service 52}}
-==Service 53==
-===1st Generation (1974 - 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=4|{{SBS}}
+|rowspan=2|'''1975'''
-|rowspan=4|Kaki Bt ↔ Alexandra Rd
+|'''2 February'''
-|'''1974'''
+|style='text-align:left'|Amended to ply new slip road from Tiong Bahru Rd to Outram Rd with the conversion of Seng Poh Rd to one-way traffic.
-|'''3 February'''
-|style='text-align:left'|Re-numbered from Service 50A as a service between Kaki Bt Ter and Alexandra Rd (Alexandra Hosp) Ter.
 |-
-|'''1975'''
 |'''2 March'''
-|style='text-align:left'|Amended to ply Sims Ave towards Kaki Bt Ter with the conversion of Geylang Rd to one-way traffic.
+|style='text-align:left'|Amended to ply Geylang Rd towards Lengkok Bahru Ter with the conversion of Sims Ave to one-way traffic.
+|-
+|'''1976'''
+|'''15 February'''
+|style='text-align:left'|Serves new staggered bus stop between Bank of India and Hong Leong Holdings along Robinson Rd.
 |-
 |'''1978'''
@@ Line 53: / Line 45: @@
 |style='text-align:left'|Amended to ply Jln Sultan, skipping Sumbawa Rd.
 |-
-|'''1983'''
+|rowspan=2|'''1979'''
-|'''20 February'''
+|'''11 February'''
-|style='text-align:left'|Discontinued.
+|style='text-align:left'|Amended to ply the extended Shenton Way towards Lengkok Bahru Ter, skipping Parsi Rd and Anson Rd.
-|}
-===2nd Generation (Current)===
-{{:Bus Service 53}}
-==Service 53M (Current)==
-{{:Bus Service 53M}}
-==Service 54==
-===1st Generation (1985 - 1987)===
-{| 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|{{SBS}}
+|rowspan=4|Kaki Bukit ↔ Bukit Merah
-|rowspan=2|Hougang ↺ Jln Eunos
+|'''23 December'''
-|'''1985'''
+|style='text-align:left'|Amended to Bt Merah Ctrl Ter.
-|'''29 December'''
-|style='text-align:left'|Introduced between Hougang Int and Jln Eunos (Loop).
 |-
-|'''1987'''
+|rowspan=2|'''1980'''
-|'''22 March'''
+|'''20 January'''
-|style='text-align:left'|Integrated with Service 51 and discontinued.
+|style='text-align:left'|Amended to ply Spottiswoode Pk Rd with the partial conversion of Cantonment Rd to one-way traffic.
-|}
-===2nd Generation (Current)===
-{{:Bus Service 54}}
-==Service 55==
-===1st Generation (1980 - 1988)===
-{| 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=5|{{SBS}}
+|'''28 September'''
-|South Canal ↺ Alexandra Rd
+|style='text-align:left'|Amended to Bt Merah Int.
-|rowspan=3|'''1980'''
-|'''11 February'''
-|style='text-align:left'|Introduced between Sth Canal Ter and Alexandra Rd (Loop).
 |-
-|rowspan=4|South Canal ↺ Mei Chin Rd
+|'''1981'''
-|'''9 March'''
+|'''11 October'''
-|style='text-align:left'|Amended to loop at Mei Chin Rd.
+|style='text-align:left'|Serves new staggered bus stop outside Tunas Bldg along Anson Rd, skipping the bus stop outside Intl Plaza.
-|-
-|'''23 November'''
-|style='text-align:left'|Amended to ply Leng Kee Rd and Tiong Bahru Rd.
 |-
+|Jln Eunos ↔ Bukit Merah
 |'''1984'''
-|'''30 December'''
+|'''17 June'''
-|style='text-align:left'|Amended to ply Alexandra Rd, skipping Leng Kee Rd.
+|style='text-align:left'|Amended to Jln Eunos Ter.
 |-
-|'''1988'''
+|rowspan=4|Eunos ↔ Bukit Merah
-|'''18 December'''
+|rowspan=2|'''1987'''
-|style='text-align:left'|Integrated with Service 195 and discontinued.
+|'''22 March'''
-|}
+|style='text-align:left'|Amended to Eunos Ter.
-===2nd Generation (Current)===
-{{:Bus Service 55}}
-==Service 56 (Current)==
-{{:Bus Service 56}}
-==Service 57==
-===1st Generation (1983 - 1987)===
-{| 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|{{SBS}}
-|rowspan=3|Buona Vista ↔ Changi Airport
-|'''1983'''
-|'''25 June'''
-|style='text-align:left'|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.
 |-
-|rowspan=2|'''1987'''
 |'''6 April'''
 |style='text-align:left'|Skips removed bus stop before College Rd along Outram Rd.
-|-
-|'''19 April'''
-|style='text-align:left'|Discontinued.
-|}
-===2nd Generation (1988 - 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
-|-
-|rowspan=5|{{SBS}}
-|rowspan=5|Bishan ↺ Sin Ming Dr
-|rowspan=2|'''1988'''
-|'''22 August'''
-|style='text-align:left'|Introduced between Bishan Ter and Sin Ming Dr (Loop), replacing Service 353.
-|-
-|'''20 November'''
-|style='text-align:left'|Amended to ply Sin Ming Rd, Sin Ming Dr, Sin Ming Ave and Upp Thomson Rd in both directions.
 |-
 |'''1989'''
-|'''30 April'''
+|'''10 December'''
-|style='text-align:left'|Amended to Bishan Int.
+|style='text-align:left'|Amended to Eunos Int.
 |-
-|'''1990'''
+|'''1991'''
-|'''21 February'''
+|'''6 January'''
-|style='text-align:left'|Skips removed bus stop opposite Jasmine Rd along Upp Thomson Rd.
+|style='text-align:left'|Discontinued under TransitLink Network Integration Exercise Phase 1.
-|-
-|'''1992'''
-|'''3 May'''
-|style='text-align:left'|Discontinued under TransitLink Network Integration Exercise Phase 7 with the introduction of Townlink Service 410G/410W.
 |}
-===3rd Generation (Current)===
+===2<sup>nd</sup> Generation (since 2012)===
-{{:Bus Service 57}}
-==Service 58==
-===1st Generation (1987 - 1990)===
 {| 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=3|{{SBS}}
+|rowspan=6|{{SBST}}<br>'''(Current)'''
-|rowspan=3|Bishan ↺ Marina Ctr
+|rowspan=5|Bishan ↔ Punggol
-|'''1987'''
+|'''2012'''
-|'''18 January'''
+|'''16 December'''
-|style='text-align:left'|Introduced between Bishan Ter and Marina Ctr (Loop).
+|style='text-align:left'|Introduced between Bishan Int and Punggol Int under the LTA's Bus Service Enhancement Programme (BSEP), operating between 0545 hrs and 2345 hrs on weekdays & Saturdays / between 0600 hrs and 2345 hrs on Sundays & Public Holidays from Bishan Int, and between 0530 hrs and 2345 hrs on weekdays & Saturdays / between 0545 hrs and 2345 hrs on Sundays & Public Holidays from Punggol Int.
 |-
-|'''1989'''
+|rowspan=2|'''2013'''
-|'''30 April'''
+|'''31 March'''
-|style='text-align:left'|Amended to Bishan Int.
+|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>
 |-
-|'''1990'''
+|'''13 October'''
-|'''2 September'''
+|style='text-align:left'|Amended to ply Sengkang West Ave and Sengkang West Rd with the partial closure of Jln Kayu.
-|style='text-align:left'|Integrated with Service 56 and discontinued.
-|}
-===2nd Generation (Current)===
-{{:Bus Service 58}}
-==Service 59==
-===1st Generation (1988 - 1999)===
-{| 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|{{SBS}}
+|'''2015'''
-|rowspan=2|Bishan ↔ Jln Kayu
+|'''11 January'''
-|'''1988'''
+|style='text-align:left'|Serves additional bus stop outside Blk 988B along Yio Chu Kang Rd.
-|'''10 July'''
-|style='text-align:left'|Introduced between Bishan Ter and Jln Kayu Ter.
 |-
-|'''1989'''
+|'''2016'''
-|'''30 April'''
+|'''25 September'''
-|style='text-align:left'|Amended to Bishan Int.
+|style='text-align:left'|Serves new pair of bus stops outside Waterwoods and after Punggol Field along Punggol East.
 |-
-|rowspan=4|Ang Mo Kio ↺ Jln Kayu
+|{{Bus/D|50|note=Bishan ↔ Punggol}}{{Bus/D|50A|note=Punggol East → Ang Mo Kio Ave 8}}
-|'''1992'''
+|'''2024'''
-|'''3 May'''
+|'''30 September'''
-|style='text-align:left'|Shortened to Ang Mo Kio Int and amended to loop at Jln Kayu under TransitLink Network Integration Exercise Phase 7.
+|style='text-align:left'|{{Bus/D|50A|note=Introduced from Punggol East (Aft Punggol Field) to Ang Mo Kio Ave 8 (Bef Ang Mo Kio Stn Exit B) during morning peak hours on weekdays excluding public holidays. {{LWAB}}<ref>[//www.sbstransit.com.sg/news/introduction-of-service-50a Introduction of Service 50A] SBS Transit, 16 September 2024</ref>}}
-|-
-|rowspan=3|{{TIBS}}<br>
-|'''1995'''
-|'''17 December'''
-|style='text-align:left'|Operations transferred to TIBS. Amended to start from Jln Kayu Ter and loop at Ang Mo Kio Int.
-|-
-|'''1998'''
-|{{TBC}}
-|style='text-align:left'|Skips a pair of temporarily closed bus stops before and after Seletar West Farmway 1 along Jln Kayu.
-|-
-|'''1999'''
-|'''21 February'''
-|style='text-align:left'|Extended to Sengkang Ter and re-numbered Service 866.
 |}
-===2nd Generation (Current)===
+==Service 50A==
-{{:Bus Service 59}}
-==Service 60==
-===1st Generation (April - May 1971)===
 {| class="wikitable" style='text-align:center'
 !style={{CSS/PAST|xfc=|xbc=}}|Operator
@@ Line 257: / Line 129: @@
 !style={{CSS/PAST|xfc=|xbc=}}|Service changes
 |-
-|rowspan=2|{{SGTC}}
+|{{ABS}}
-|rowspan=2|MacPherson ↔ Prince Edward
+|rowspan=3|Kaki Bt ↺ Stamford Rd
-|rowspan=2|'''1971'''
+|'''1971'''
-|'''11 April'''
-|style='text-align:left'|Introduced between MacPherson Ter and Prince Edward Ter under 1971 Bus Reorganisation.
-|-
-|'''9 May'''
-|style='text-align:left'|Integrated with Service 60A and renumbered Service 60/60A.
-|}
-===2nd Generation (1976 - 1991)===
-{| 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=7|{{SBS}}
-|rowspan=3|MacPherson ↺ Shenton Way
-|'''1976'''
-|'''16 August'''
-|style='text-align:left'|Introduced between MacPherson Ter and Shenton Way (Loop) as a semi-express service, operating on weekdays and Saturdays only.
-|-
-|'''1979'''
-|'''11 February'''
-|style='text-align:left'|Amended to ply the extended Shenton Way, Keppel Rd and Anson Rd, skipping Parsi Rd.
-|-
-|'''1981'''
-|'''11 October'''
-|style='text-align:left'|Serves new staggered bus stop outside Tunas Bldg along Anson Rd, skipping the bus stop outside Intl Plaza.
-|-
-|rowspan=2|Prince Edward ↺ Circuit Rd
-|'''1985'''
-|'''29 April'''
-|style='text-align:left'|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.
-|-
-|rowspan=2|'''1987'''
-|'''5 January'''
-|style='text-align:left'|Skips the bus stop outside Clifford Ctr along Collyer Quay.
-|-
-|rowspan=2|Shenton Way ↺ Circuit Rd
-|'''28 June'''
-|style='text-align:left'|Amended to Shenton Way Ter.
-|-
-|'''1991'''
-|'''26 May'''
-|style='text-align:left'|Discontinued under TransitLink Network Integration Exercise Phase 5.
-|}
-===3rd Generation (Current)===
-{{:Bus Service 60}}
-==Service 60A (April - May 1971)==
-{| 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|{{SGTC}}
-|rowspan=2|MacPherson ↺ Stamford Rd
-|rowspan=2|'''1971'''
 |'''11 April'''
-|style='text-align:left'|Introduced between MacPherson Ter and Stamford Rd (Loop) under 1971 Bus Reorganisation.
+|style='text-align:left'|Introduced between Kaki Bt Ter and Stamford Rd (Loop) under 1971 Bus Reorganisation.
-|-
-|'''9 May'''
-|style='text-align:left'|Integrated with Service 60 and discontinued.
-|}
-==Service 60/60A (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
-|-
-|{{SGTC}}
-|rowspan=4|MacPherson ↔ Prince Edward
-|rowspan=2|'''1971'''
-|'''9 May'''
-|style='text-align:left'|Re-numbered from Service 60 as a service between MacPherson Ter and Prince Edward Ter.
-|-
-|{{UBC}}
-|'''6 December'''
-|style='text-align:left'|Operations transferred to United Bus Company.
 |-
 |rowspan=2|{{SBS}}
@@ Line 353: / Line 142: @@
 |'''1974'''
 |'''3 February'''
-|style='text-align:left'|Discontinued under 1974 Bus Rationalisation.
+|style='text-align:left'|Extended to Alexandra Rd (Alexandra Hosp) Ter and re-numbered Service 53 under 1974 Bus Rationalisation.
 |}
-==Service 61 (Current)==
+==Service 51==
-{{:Bus Service 61}}
-==Service 62 (Current)==
-{{:Bus Service 62}}
-==Service 63==
-===1st Generation (1971 - 1981)===
 {| 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
 |-
-|{{ABC}}
+|rowspan=3|{{ABS}}
-|rowspan=4|Jln Bt Merah ↔ MacPherson
+|rowspan=6|Jln Eunos ↔ Labrador
-|'''1971'''
+|rowspan=2|'''1971'''
 |'''11 April'''
-|style='text-align:left'|Introduced between Gagak Selari Barat Ter and MacPherson Ter under 1971 Bus Reorganisation.
+|style='text-align:left'|Introduced between Jln Eunos Ter and Labrador Ter under 1971 Bus Reorganisation.
+|-
+|'''28 September'''
+|style='text-align:left'|Amended to ply the extended Ganges Ave towards Jln Eunos Ter.
+|-
+|'''1972'''
+|'''11 June'''
+|style='text-align:left'|Amended to ply Upp Cross St with the partial conversion of Havelock Rd to one-way traffic, skipping Upp Hokien St.
 |-
-|rowspan=8|{{SBS}}
+|rowspan=22|{{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.
 |-
-|rowspan=2|'''1975'''
+|'''1975'''
-|'''2 February'''
-|style='text-align:left'|Amended to ply new slip road from Tiong Bahru Rd to Outram Rd with the conversion of Seng Poh Rd to one-way traffic.
-|-
 |'''2 March'''
-|style='text-align:left'|Amended to ply Sims Ave towards MacPherson Ter with the conversion of Geylang Rd to one-way traffic.
+|style='text-align:left'|Amended to ply Sims Ave towards Jln Eunos Ter with the conversion of Geylang Rd to one-way traffic.
 |-
-|rowspan=2|Labrador ↔ MacPherson
+|'''1979'''
-|'''1976'''
+|'''11 November'''
-|'''4 January'''
+|style='text-align:left'|Amended to ply Ganges Ave towards Alexandra Rd Ter with the realignment of Delta Circus.
-|style='text-align:left'|Extended to Alexandra Rd Ter.
 |-
-|'''1977'''
+|rowspan=4|Hougang ↔ Labrador
-|'''12 April'''
+|rowspan=4|'''1987'''
-|style='text-align:left'|Amended to ply Tiong Bahru Rd and Lower Delta Rd, skipping Jln Membina and Kim Tian Rd.
+|'''22 March'''
+|style='text-align:left'|Integrated with Service 54 and extended to Hougang Int.
 |-
-|rowspan=3|Bukit Merah ↔ MacPherson
+|'''27 September'''
-|rowspan=3|'''1981'''
+|style='text-align:left'|Amended to ply the extended Eu Tong Sen St towards Hougang Int to facilitate the first stage of road expansion along New Bridge Rd.
-|'''15 February'''
-|style='text-align:left'|Amended to Bt Merah Int.
 |-
-|'''5 July'''
+|'''1 November'''
-|style='text-align:left'|Amended to ply Cantonment Rd towards Bt Merah Int, skipping a portion of Neil Rd and New Bridge Rd.
+|style='text-align:left'|Amended to ply Eu Tong Sen St towards Hougang Int to facilitate the second stage of road expansion along New Bridge Rd.
 |-
-|'''15 November'''
+|'''13 December'''
-|style='text-align:left'|Integrated with Service 44 and discontinued.
+|style='text-align:left'|Serves new staggered bus stop opposite Peninsula Plaza along Nth Bridge Rd, skipping the bus stop outside St Andrew's Cath.
-|}
-===2nd Generation (Current)===
-{{:Bus Service 63}}
-==Service 63M (Current)==
-{{:Bus Service 63M}}
-==Service 64 (Current)==
-{{:Bus Service 64}}
-==Service 65 (Current)==
-{{:Bus Service 65}}
-==Service 66 (Current)==
-{{:Bus Service 66}}
-==Service 67 (Current)==
-{{:Bus Service 67}}
-==Service 68==
-===1st Generation (2003 - 2008)===
-{| 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|{{SBST}}
+|rowspan=2|Hougang ↔ Jurong East
-|rowspan=3|Tampines ↺ Tampines St 92
+|'''1988'''
-|'''2003'''
+|'''18 December'''
-|'''16 June'''
+|style='text-align:left'|Integrated with Service 192 and extended to Jurong East Int.
-|style='text-align:left'|Introduced between Tampines Int and Tampines St 92 (Loop) as a peak hour service on weekdays.
 |-
-|'''2006'''
+|'''1990'''
-|{{TBC}}
+|'''22 July'''
-|style='text-align:left'|Last bus (AM peak) brought forward to 0920 hrs.
+|style='text-align:left'|Serves additional bus stop outside Ellenborough Mkt along Eu Tong Sen St.
 |-
-|'''2008'''
+|rowspan=5|Hougang South ↔ Jurong East
-|'''11 August'''
+|'''1994'''
-|style='text-align:left'|Discontinued.
+|'''17 December'''
-|}
+|style='text-align:left'|Hougang Int renamed to Hougang Sth Int.
-===2nd Generation (Current)===
-{{:Bus Service 68}}
-==Service 69 (Current)==
-{{:Bus Service 69}}
-==Service 70 (Current)==
-{{:Bus Service 70}}
-==Service 70X/70M (Current)==
-{{:Bus Service 70M}}
-==Service 71==
-===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
 |-
-|{{ABS}}
+|rowspan=2|'''1996'''
-|rowspan=3|Upp Thomson Rd ↔ Lor 5 Geylang
+|{{TBC}}
-|'''1971'''
+|style='text-align:left'|Serves additional bus stop outside Kallang Stn along Sims Ave.
-|'''11 April'''
-|style='text-align:left'|Introduced between Yio Chu Kang Rd Ter and Lor 5 Geylang Ter under 1971 Bus Reorganisation.
 |-
-|rowspan=8|{{SBS}}
+|{{TBC}}
-|'''1973'''
+|style='text-align:left'|First bus from Jurong East Int brought forward to 0530 hrs on weekdays and Saturdays.
-|'''1 July'''
-|style='text-align:left'|Operations transferred to Singapore Bus Services.
 |-
-|'''1975'''
+|'''1997'''
-|'''2 March'''
+|{{TBC}}
-|style='text-align:left'|Amended to ply Geylang Rd towards Lor 5 Geylang Ter with the conversion of Sims Ave to one-way traffic.
+|style='text-align:left'|Serves the bus stop outside Bugis Stn along Victoria St, skipping the bus stop opposite Bugis Junction.
 |-
-|rowspan=2|Upp Thomson Rd ↔ Lor 1 Geylang
+|'''1999'''
-|'''1977'''
+|'''20 September'''
-|'''17 October'''
+|style='text-align:left'|Serves new pair of bus stops outside and opposite West Bay Resort Condo along West Coast Rd.
-|style='text-align:left'|Extended to Geylang Fringe Car Pk.
 |-
-|rowspan=2|'''1979'''
+|rowspan=2|{{Bus/D|51|note=Hougang South ↔ Jurong East}}{{Bus/D|51A|note=Jurong East → Pandan Gardens}}
-|'''26 March'''
+|rowspan=2|'''2002'''
-|style='text-align:left'|Amended to ply Yio Chu Kang Rd, skipping Jln Woodbridge.
+|rowspan=2|'''12 May'''
+|style='text-align:left'|Amended to ply Pandan Gdns.
 |-
-|rowspan=4|Old Upp Thomson ↔ Lor 1 Geylang
+|style='text-align:left'|{{Bus/D|51A|note=Introduced from Jurong East Int to Pandan Gdns (Blk 407), operating after the last bus of Service 51 daily.}}
-|'''26 October'''
-|style='text-align:left'|Amended to Old Upp Thomson Ter.
 |-
-|'''1980'''
+|rowspan=6|{{Bus/D|51|note=Hougang Ctrl ↔ Jurong East}}{{Bus/D|51A|note=Jurong East → Pandan Gardens}}
-|'''13 October'''
+|'''2004'''
-|style='text-align:left'|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.
+|'''15 February'''
+|style='text-align:left'|Extended to Hougang Ctrl Int with the closure of Hougang Sth Int.
 |-
-|'''1981'''
+|'''2007'''
-|'''5 June'''
+|'''22 May'''
-|style='text-align:left'|Amended to ply the diverted Yio Chu Kang Rd, skipping Ang Mo Kio Ave 9.
+|style='text-align:left'|{{DWAB}}
 |-
-|'''1992'''
+|'''2009'''
-|'''3 May'''
+|'''5 July'''
-|style='text-align:left'|Integrated with Service 70/70X and discontinued under TransitLink Network Integration Exercise Phase 7.
+|style='text-align:left'|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).
-|}
-===2nd Generation (Current)===
-{{:Bus Service 71}}
-==Service 72==
-===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
 |-
-|{{ABS}}
+|'''2011'''
-|rowspan=4|Serangoon Garden ↔ Tg Rhu Rd
+|'''17 December'''
-|'''1971'''
+|style='text-align:left'|Amended to Jurong East Temp Int.
-|'''11 April'''
-|style='text-align:left'|Introduced between Serangoon Gdn Ter and Tg Rhu Ter under 1971 Bus Reorganisation.
 |-
-|rowspan=6|{{SBS}}
+|'''2014'''
-|'''1973'''
+|'''27 April'''
-|'''1 July'''
+|style='text-align:left'|Serves new bus stop outside Queens Condo along Commonwealth Ave.
-|style='text-align:left'|Operations transferred to Singapore Bus Services.
 |-
-|'''1976'''
+|'''2020'''
-|'''30 December'''
+|'''6 December'''
-|style='text-align:left'|Amended to ply Sims Ave/Geylang Rd and the extended Tg Katong Rd, skipping Guillemard Rd.
+|style='text-align:left'|Amended to relocated Jurong East Temp Int and serve new bus stop before Jurong East Stn along Jurong Gateway Rd.
-|-
-|'''1977'''
-|'''31 October'''
-|style='text-align:left'|Amended to skip Chartwell Dr, Burghley Dr, Berwick Dr, Tavistock Ave, Hemsley Ave and Kensington Pk Rd with the introduction of Service 217.
-|-
-|Serangoon Garden ↺ Tg Rhu Rd
-|'''1984'''
-|'''27 May'''
-|style='text-align:left'|Amended to loop at Tg Rhu Rd from Serangoon Gdn Ter.
-|-
-|rowspan=2|Serangoon ↺ Tg Rhu Rd
-|'''1988'''
-|'''13 March'''
-|style='text-align:left'|Amended to Serangoon Int.
-|-
-|'''1992'''
-|'''3 May'''
-|style='text-align:left'|Integrated with Services 76 & 158 and discontinued under TransitLink Network Integration Exercise Phase 7.
 |}
-===2nd Generation (Current)===
+==Service 52==
-{{:Bus Service 72}}
+===1<sup>st</sup> Generation (1971 - 1974)===
-==Service 73/73A (1971 - 1974)==
 {| class="wikitable" style='text-align:center'
 !style={{CSS/PAST|xfc=|xbc=}}|Operator
@@ Line 571: / Line 264: @@
 !style={{CSS/PAST|xfc=|xbc=}}|Service changes
 |-
-|rowspan=2|{{ABS}}
+|{{ABS}}
-|rowspan=4|Yio Chu Kang Rd ↔ Tg Pagar
+|rowspan=3|Jln Eunos ↔ Tg Pagar Rd
 |'''1971'''
-|'''16 June'''
+|'''3 July'''
-|style='text-align:left'|Introduced between Yio Chu Kang Rd Ter and Tg Pagar Ter.
+|style='text-align:left'|Introduced between Jln Eunos Ter and Tg Pagar Rd Ter.
-|-
-|'''1972'''
-|'''18 June'''
-|style='text-align:left'|Amended to ply Bendemeer Rd towards Tg Pagar Ter with the conversion of Serangoon Rd to one-way traffic.
 |-
 |rowspan=2|{{SBS}}
@@ Line 588: / Line 277: @@
 |'''1974'''
 |'''3 February'''
-|style='text-align:left'|Shortened to Toa Payoh Town Ctr Ter and re-numbered Service 73 under 1974 Bus Rationalisation.
+|style='text-align:left'|Discontinued under 1974 Bus Rationalisation.
 |}
-==Service 73 (Current)==
+===2<sup>nd</sup> Generation (since 2005)===
-{{:Bus Service 73}}
-==Service 74 (Current)==
-{{:Bus Service 74}}
-==Service 74A (1994 - 1995)==
 {| 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=8|{{SBST}}<br>'''(Current)'''
+|rowspan=8|Bishan ↔ Jurong East
+|'''2005'''
+|'''23 October'''
+|style='text-align:left'|Introduced between Bishan Int and Jurong East Int, operating between 0545 hrs and 2345 hrs from Bishan Int and Jurong East Int daily.
 |-
-|rowspan=3|{{SBS}}
+|'''2009'''
-|Upp Serangoon → Ang Mo Kio Stn
+|'''3 December'''
-|rowspan=2|'''1994'''
+|style='text-align:left'|{{DWAB}}
-|'''19 June'''
-|style='text-align:left'|Introduced between Upp Serangoon Ter and Ang Mo Kio Ave 3 (Ang Mo Kio Stn) as a route variant of Service 74.
 |-
-|rowspan=2|Hougang Ctrl → Ang Mo Kio Stn
+|'''2011'''
 |'''17 December'''
-|style='text-align:left'|Amended to Hougang Ctrl Int.
+|style='text-align:left'|Amended to Jurong East Temp Int.
 |-
-|'''1995'''
+|'''2012'''
-|'''8 January'''
+|'''9 December'''
-|style='text-align:left'|Integrated with Service 165 and discontinued.
+|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 station on the Downtown Line.
-|}
-==Service 75 (Current)==
-{{:Bus Service 75}}
-==Service 76==
-===1st Generation (1981 - 1988)===
-{| 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=4|{{SBS}}
+|'''2014'''
-|Clementi ↺ Jurong East Ctrl
+|'''26 January'''
-|'''1981'''
+|style='text-align:left'|Amended to ply the reinstated Jln Jurong Kechil, skipping Upp Bt Timah Rd and Bt Timah Lk.
-|'''24 November'''
-|style='text-align:left'|Introduced between Clementi Int and Jurong East Ctrl (Loop).
 |-
-|Clementi ↺ Jurong East Ave 1
+|'''2018'''
-|'''1982'''
+|'''28 October'''
-|'''12 September'''
+|style='text-align:left'|Amended to ply southbound Lornie Highway towards Jurong East Temp Int.<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>
-|style='text-align:left'|Amended to ply Jurong East Ctrl, Jurong East Ave 1 and Jurong Town Hall Rd.
 |-
-|rowspan=2|Jurong East ↺ Clementi
+|'''2019'''
-|'''1985'''
+|'''23 June'''
-|'''30 June'''
+|style='text-align:left'|Amended to ply northbound Lornie Highway towards Bishan Int.<ref>[//www.sbstransit.com.sg/news/route-amendment-for-services-52-74-93-and-852 "Route amendment for Services 52, 74, 93 and 852"] SBS Transit, 10 June 2019</ref>
-|style='text-align:left'|Amended to start from Jurong East Int and loop at Clementi Int.
 |-
-|'''1988'''
+|'''2020'''
-|'''13 March'''
+|'''6 December'''
-|style='text-align:left'|Integrated with Service SS2 and discontinued.
+|style='text-align:left'|Amended to relocated Jurong East Temp Int and serve new bus stop before Jurong East Stn along Jurong Gateway Rd.
 |}
-===2nd Generation (Current)===
+==Service 53==
-{{:Bus Service 76}}
+===1<sup>st</sup> Generation (1974 - 1983)===
-==Service 77==
-===1st Generation (1980 - 1986)===
 {| class="wikitable" style='text-align:center'
 !style={{CSS/PAST|xfc=|xbc=}}|Operator
@@ Line 666: / Line 333: @@
 |-
 |rowspan=4|{{SBS}}
-|rowspan=4|Ang Mo Kio ↺ Bendemeer Rd
+|rowspan=4|Kaki Bt ↔ Alexandra Rd
-|'''1980'''
+|'''1974'''
-|'''17 August'''
+|'''3 February'''
-|style='text-align:left'|Introduced between Ang Mo Kio Ave 3 Ter and Bendemeer Rd (Loop).
+|style='text-align:left'|Re-numbered from Service 50A as a service between Kaki Bt Ter and Alexandra Rd (Alexandra Hosp) Ter.
 |-
-|'''1981'''
+|'''1975'''
-|'''5 July'''
+|'''2 March'''
-|style='text-align:left'|Amended to Ang Mo Kio Ctrl 2 Ter.
+|style='text-align:left'|Amended to ply Sims Ave towards Kaki Bt Ter with the conversion of Geylang Rd to one-way traffic.
 |-
-|'''1983'''
+|'''1978'''
-|'''10 April'''
+|'''15 January'''
-|style='text-align:left'|Amended to Ang Mo Kio Int.
+|style='text-align:left'|Amended to ply Jln Sultan, skipping Sumbawa Rd.
-|-
-|'''1986'''
-|'''16 March'''
-|style='text-align:left'|Integrated with Service 162 and discontinued.
-|}
-===2nd Generation (Current)===
-{{:Bus Service 77}}
-==Service 78==
-===1st Generation (1980 - 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|{{SBS}}
-|rowspan=2|Clementi ↺ Queensway
-|'''1980'''
-|'''17 November'''
-|style='text-align:left'|Introduced between Clementi Int and Queensway (Loop) as a peak hour service on weekdays and Saturdays.
 |-
 |'''1983'''
-|'''28 February'''
+|'''20 February'''
 |style='text-align:left'|Discontinued.
 |}
-===2nd Generation (Current)===
+===2<sup>nd</sup> Generation (since 1994)===
-{{:Bus Service 78}}
-==Service 79==
-===1st Generation (1983 - 1984)===
 {| 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|{{SBS}}
+|rowspan=22|{{SBST}}<br>'''(Current)'''<br>''Known as {{SBS}} prior to 1 November 2001''
-|rowspan=2|Jurong East ↺ Nth Bridge Rd
+|Bishan ↺ Hougang Ave 3
-|'''1983'''
+|'''1994'''
-|'''27 February'''
+|'''10 July'''
-|style='text-align:left'|Introduced between Jurong East Ter and Nth Bridge Rd (Loop).
+|style='text-align:left'|Introduced between Bishan Int and Hougang Ave 3 (Loop).
 |-
-|'''1984'''
+|Bishan ↺ Changi Airport
-|'''24 June'''
+|'''1995'''
-|style='text-align:left'|Integrated with Service 147 and discontinued.
+|'''23 April'''
-|}
+|style='text-align:left'|Extended to loop at Changi Airport.
-===2nd Generation (1985 - 1988)===
-{| 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=6|{{SBS}}
+|rowspan=11|Bishan ↔ Changi Airport
-|rowspan=2|Jurong East ↺ Empress Pl
+|rowspan=3|'''1996'''
-|rowspan=2|'''1985'''
+|{{TBC}}
-|'''16 June'''
+|style='text-align:left'|Converted to bi-directional service between Bishan Int and Changi Airport PTB1.
-|style='text-align:left'|Introduced between Jurong East Ter and Empress Pl (Loop).
 |-
-|'''30 June'''
+|'''3 September'''
-|style='text-align:left'|Amended to Jurong East Int.
+|style='text-align:left'|Amended to ply Pasir Ris Dr 12 and Pasir Ris Dr 1, skipping Elias Rd.
 |-
-|rowspan=4|Jurong East ↔ Marina Ctr
+|{{TBC}}
-|'''1986'''
+|style='text-align:left'|First bus from Bishan Int brought forward to 0530 hrs on Sundays and Public Holidays.
-|'''30 November'''
-|style='text-align:left'|Extended to Marina Ctr Ter.
 |-
-|rowspan=3|'''1988'''
+|'''1997'''
-|'''3 January'''
+|{{TBC}}
-|style='text-align:left'|Serves staggered bus stop opposite Treasury Bldg along Shenton Way, skipping the bus stop opposite Marina Hse.
+|style='text-align:left'|Serves additional bus stop opposite Fish Farm Rd 2 along Tampines Rd.
 |-
-|'''11 January'''
+|'''1998'''
-|style='text-align:left'|Serves merged bus stop along Ayer Rajah Rd.
+|{{TBC}}
+|style='text-align:left'|Serves additional bus stop after Fish Farm Rd 2 along Tampines Rd.
 |-
-|'''18 December'''
+|'''2000'''
-|style='text-align:left'|Integrated with Service 97 and discontinued.
+|{{TBC}}
-|}
+|style='text-align:left'|Serves new pair of bus stops outside and opposite SATS Flight Kitchen along Airport Blvd.
-===3rd Generation (Current)===
-{{:Bus Service 79}}
-==Service 80==
-===1st Generation (1971 - 1985)===
-{| 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=2|'''2003'''
-|rowspan=9|Upp Changi ↔ Prince Edward
+|'''21 June'''
-|'''1971'''
+|style='text-align:left'|Amended to ply Serangoon Ctrl and Upp Serangoon Rd under North East Line Rationalisation Phase 1.
-|'''11 April'''
-|style='text-align:left'|Introduced between Upp Changi Ter and Prince Edward Ter under 1971 Bus Reorganisation.
 |-
-|'''1972'''
+|{{TBC}}
-|'''18 June'''
+|style='text-align:left'|Serves new bus stop outside Serangoon Stn along Serangoon Ctrl.
-|style='text-align:left'|Amended to ply Bendemeer Rd towards Prince Edward Ter with the conversion of Serangoon Rd to one-way road.
 |-
-|rowspan=7|{{SBS}}
+|rowspan=2|'''2007'''
-|'''1973'''
+|'''23 June'''
-|'''1 July'''
+|style='text-align:left'|Amended to ply Tampines Svc Rd.
-|style='text-align:left'|Operations transferred to Singapore Bus Services.
 |-
-|'''1974'''
+|'''11 November'''
-|'''8 December'''
+|style='text-align:left'|Amended to serve Changi Airport PTB3.
-|style='text-align:left'|Amended to skip Market St.
 |-
-|rowspan=2|'''1976'''
+|'''2009'''
-|'''15 February'''
+|'''26 October'''
-|style='text-align:left'|Serves staggered bus stop between Bank of India and Hong Leong Holdings along Robinson Rd.
+|style='text-align:left'|{{DWAB}}
 |-
-|'''14 March'''
+|Bishan ↺ Changi Airport
-|style='text-align:left'|Serves staggered bus stop outside The Cenotaph along Connaught Dr, skipping the bus stop opposite Singapore Cricket Club.
+|rowspan=4|'''2012'''
+|'''9 January'''
+|style='text-align:left'|Converted to loop service between Bishan Int and Changi Airport PTB2.
 |-
-|'''1978'''
+|rowspan=3|{{Bus/D|53|note=Bishan ↺ Changi Airport}}{{Bus/D|53A|PAST|note=Hougang Ave 1 → Serangoon Ctrl}}{{Bus/D|53B|PAST|note=Serangoon Ctrl → Hougang Ave 1}}
-|'''15 January'''
+|rowspan=2|'''27 February'''
-|style='text-align:left'|Amended to ply Jln Sultan, skipping Sumbawa Rd.
+|style='text-align:left'|{{Bus/D|53A|PAST|note=Introduced from Hougang Ave 1 (Opp Blk 232) to Serangoon Ctrl (Blk 261) during morning peak hours on weekdays. {{LWAB}}}}
 |-
-|'''1979'''
+|style='text-align:left'|{{Bus/D|53B|PAST|note=Introduced from Serangoon Ctrl (Blk 206) to Hougang Ave 1 (Blk 232) during evening peak hours on weekdays. {{LWAB}}}}
-|'''11 February'''
-|style='text-align:left'|Amended to ply the extended Shenton Way, Palmer Rd and Anson Rd, skipping Parsi Rd.
 |-
-|'''1985'''
+|'''29 April'''
-|'''23 June'''
+|style='text-align:left'|Serves new bus stop outside Blk 612 along Pasir Ris Dr 1.
-|style='text-align:left'|Discontinued.
-|}
-===2nd Generation (1996 - 1998)===
-{| 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|{{SBS}}
+|rowspan=2|Bishan ↺ Changi Airport
-|rowspan=2|Tampines ↔ Hougang Ctrl
+|rowspan=2|'''2015'''
-|'''1996'''
+|rowspan=2|'''16 August'''
-|'''3 September'''
+|style='text-align:left'|{{Bus/D|53A|PAST|note=Discontinued with the introduction of Service 53M.}}
-|style='text-align:left'|Introduced between Tampines Int and Hougang Ctrl Int.
 |-
-|'''1998'''
+|style='text-align:left'|{{Bus/D|53B|PAST|note=Discontinued with the introduction of Service 53M.}}
-|'''30 March'''
-|style='text-align:left'|Integrated with Service 72 and discontinued.
-|}
-===3rd Generation (Current)===
-{{:Bus Service 80}}
-==Service 80A (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}}
+|rowspan=3|{{Bus/D|53|note=Bishan ↺ Changi Airport}}{{Bus/D|53A|note=Pasir Ris Dr 1 → Changi Airport}}
-|rowspan=4|Upp Serangoon Rd 10.5 km ↔ Prince Edward
+|'''2016'''
-|'''1971'''
+|'''1 September'''
-|'''11 April'''
+|style='text-align:left'|{{Bus/D|53A|note=Introduced from Pasir Ris Dr 1 (Blk 738) to Changi Airport PTB2 during morning peak hours on weekdays. {{LWAB}}}}
-|style='text-align:left'|Introduced between Upp Serangoon Rd 10.5 km Ter and Prince Edward Ter under 1971 Bus Reorganisation.
 |-
-|'''1972'''
+|'''2022'''
-|'''18 June'''
+|'''30 October'''
-|style='text-align:left'|Amended to ply Bendemeer Rd towards Prince Edward Ter with the conversion of Serangoon Rd to one-way road.
+|style='text-align:left'|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 station on the Cross Island Line.
 |-
-|rowspan=2|{{SBS}}
+|'''2023'''
-|'''1973'''
+|'''8 October'''
-|'''1 July'''
+|style='text-align:left'|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 station on the Cross Island Line.
-|style='text-align:left'|Operations transferred to Singapore Bus Services.
-|-
-|'''1974'''
-|'''3 February'''
-|style='text-align:left'|Discontinued under 1974 Bus Rationalisation.
 |}
-==Service 81 (Current)==
+==Service 53M==
-{{:Bus Service 81}}
-==Service 81A (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|{{ABS}}
+|rowspan=3|{{SBST}}<br>'''(Current)'''
-|rowspan=4|Upp Serangoon Rd ↔ New Bridge Rd
+|rowspan=2|Hougang Ave 1 ↺ Serangoon Ctrl
-|'''1971'''
+|'''2015'''
-|'''11 April'''
+|'''16 August'''
-|style='text-align:left'|Introduced between Upp Serangoon Rd 10.5 km Ter and New Bridge Rd Ter under 1971 Bus Reorganisation.
+|style='text-align:left'|Introduced between Hougang Ave 1 (Opp Blk 232) and Serangoon Ctrl (Loop) under the LTA's Bus Service Enhancement Programme (BSEP). {{LWAB}}
 |-
-|'''1972'''
+|'''2016'''
-|'''18 June'''
+|'''24 January'''
-|style='text-align:left'|Amended to ply Bendemeer Rd towards New Bridge Rd Ter with the conversion of Serangoon Rd to one-way traffic.
+|style='text-align:left'|Serves additional bus stop outside Blk 209 along Boundary Rd.
 |-
-|rowspan=2|{{SBS}}
+|Hougang St 21 ↺ Serangoon Ctrl
-|'''1973'''
+|'''2025'''
-|'''1 July'''
+|'''26 October'''
-|style='text-align:left'|Operations transferred to Singapore Bus Services.
+|style='text-align:left'|Extended to Hougang St 21 (Kovan Hub).
-|-
-|'''1974'''
-|'''3 February'''
-|style='text-align:left'|Amended to skip Jln Besar, Bencoolen St and Bras Basah Rd and re-numbered Service 85 under 1974 Bus Rationalisation.
 |}
-==Service 82 (Current)==
+==Service 54==
-{{:Bus Service 82}}
+===1<sup>st</sup> Generation (1985 - 1987)===
-==Service 83==
-===1st Generation (1971 - 1992)===
 {| class="wikitable" style='text-align:center'
 !style={{CSS/PAST|xfc=|xbc=}}|Operator
@@ Line 907: / Line 479: @@
 !style={{CSS/PAST|xfc=|xbc=}}|Service changes
 |-
-|rowspan=2|{{ABS}}
+|rowspan=2|{{SBS}}
-|rowspan=11|Punggol ↔ New Bridge Rd
+|rowspan=2|Hougang ↺ Jln Eunos
-|'''1971'''
+|'''1985'''
-|'''11 April'''
+|'''29 December'''
-|style='text-align:left'|Introduced between Punggol Ter and New Bridge Rd Ter under 1971 Bus Reorganisation.
+|style='text-align:left'|Introduced between Hougang Int and Jln Eunos (Loop).
 |-
-|'''1972'''
+|'''1987'''
-|'''18 June'''
+|'''22 March'''
-|style='text-align:left'|Amended to ply Bendemeer Rd towards New Bridge Rd Ter with the conversion of Serangoon Rd to one-way traffic.
+|style='text-align:left'|Integrated with Service 51 and discontinued.
-|-
-|rowspan=9|{{SBS}}
-|'''1973'''
-|'''1 July'''
-|style='text-align:left'|Operations transferred to Singapore Bus Services.
-|-
-|'''1974'''
-|'''1 October'''
-|style='text-align:left'|Serves merged bus stop outside Sri Srinivasa Perumal Tp along Serangoon Rd.
-|-
-|rowspan=4|'''1987'''
-|'''6 June'''
-|style='text-align:left'|Amended to the relocated New Bridge Rd Ter.
-|-
-|'''27 September'''
-|style='text-align:left'|Amended to ply the extended Eu Tong Sen St towards Punggol Rd Ter to facilitate the first stage of road expansion along New Bridge Rd.
-|-
-|'''1 November'''
-|style='text-align:left'|Amended to ply Eu Tong Sen St towards Punggol Rd Ter to facilitate the second stage of road expansion along New Bridge Rd.
-|-
-|'''13 December'''
-|style='text-align:left'|Serves new staggered bus stop opposite Peninsula Plaza along Nth Bridge Rd, skipping the bus stop outside St Andrew's Cath.
-|-
-|'''1988'''
-|'''20 March'''
-|style='text-align:left'|Amended to ply Upp Cross St and New Bridge Rd, skipping Neil Rd.
-|-
-|'''1990'''
-|'''2 September'''
-|style='text-align:left'|Integrated with Service 101 and amended to ply Hougang Ave 8, Hougang Ave 2, Yio Chu Kang Lk, Yio Chu Kang Rd and Serangoon Ctrl.
-|-
-|'''1992'''
-|'''29 March'''
-|style='text-align:left'|Integrated with Service 147 and discontinued under TransitLink Network Integration Exercise Phase 6.
 |}
-===2nd Generation (Current)===
+===2<sup>nd</sup> Generation (since 1993)===
-{{:Bus Service 83}}
-==Service 84==
-===1st Generation (1971 - 1999)===
 {| 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
 |-
-|{{ABS}}
+|rowspan=17|{{SBST}}<br>'''(Current)'''<br>''Known as {{SBS}} prior to 1 November 2001''
-|rowspan=2|Upp Serangoon ↺ Upp Cross St
+|rowspan=6|Bishan ↔ New Bridge Rd
-|'''1971'''
+|'''1993'''
-|'''3 July'''
+|'''5 December'''
-|style='text-align:left'|Introduced between Upp Serangoon Ter and Upp Cross St (Loop).
+|style='text-align:left'|Introduced between Bishan Int and New Bridge Rd Ter with the integration of Services 104 and 134 under TransitLink Network Integration Exercise Phase 14.
 |-
-|rowspan=16|{{SBS}}
+|'''1994'''
-|'''1973'''
+|{{TBC}}
-|'''1 July'''
+|style='text-align:left'|Last bus from New Bridge Rd Ter revised to 2330 hrs daily.
-|style='text-align:left'|Operations transferred to Singapore Bus Services.
 |-
-|rowspan=3|Upp Serangoon ↔ Tg Pagar Rd
+|rowspan=2|'''1997'''
-|'''1974'''
+|{{TBC}}
-|'''3 February'''
+|style='text-align:left'|First bus from Bishan Int brought forward to 0545 hrs on weekdays.
-|style='text-align:left'|Extended to Tg Pagar Ter under 1974 Bus Rationalisation.
 |-
-|'''1975'''
+|'''7 December'''
-|'''2 March'''
+|style='text-align:left'|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 station on the North East Line.
-|style='text-align:left'|Amended to ply Sims Ave towards Upp Serangoon Ter with the conversion of Geylang Rd to one-way traffic.
 |-
-|rowspan=2|'''1979'''
+|rowspan=2|'''2000'''
-|'''1 August'''
+|'''20 February'''
-|style='text-align:left'|Amended to temporary terminal at Lim Teck Kim Rd with the closure of Tg Pagar Ter.
+|style='text-align:left'|Serves additional bus stop opposite Blk 333 along Kreta Ayer Rd.
 |-
-|rowspan=3|Upp Serangoon ↔ Anson Rd
+|{{TBC}}
-|'''23 December'''
+|style='text-align:left'|Last bus from New Bridge Rd Ter extended to 2400 hrs on Saturdays.
-|style='text-align:left'|Amended to Anson Rd Ter.
 |-
-|'''1980'''
+|rowspan=2|{{Bus/D|54|note=Bishan ↔ New Bridge Rd}}{{Bus/D|54A|PAST|note=Bishan St 22 → Bishan Rd}}
-|'''20 January'''
+|'''2001'''
-|style='text-align:left'|Amended to ply Hoe Chiang Rd towards Anson Rd Ter, skipping Lim Teck Kim Rd
+|{{TBC}}
+|style='text-align:left'|{{Bus/D|54A|PAST|note=Introduced from Bishan St 22 (Blk 245) to Bishan Rd (Bishan Stn) during morning peak hours on weekdays.}}
 |-
-|'''1982'''
+|'''2002'''
-|'''13 June'''
+|'''20 April'''
-|style='text-align:left'|Amended to ply Aljunied Way and Aljunied Rd.
+|style='text-align:left'|Amended to ply the reinstated New Bridge Rd, skipping Upp Pickering St, Sth Bridge Rd and Kreta Ayer Rd.
 |-
-|rowspan=5|Upp Serangoon ↔ World Trade Ctr
+|rowspan=3|Bishan ↔ New Bridge Rd
-|'''1985'''
+|'''2004'''
-|'''13 January'''
+|{{TBC}}
-|style='text-align:left'|Extended to World Trade Ctr Ter.
+|style='text-align:left'|{{Bus/D|54A|PAST|note=Discontinued.}}
 |-
-|rowspan=3|'''1987'''
+|'''2006'''
-|'''27 September'''
+|'''5 November'''
-|style='text-align:left'|Amended to ply the extended Eu Tong Sen St towards Upp Serangoon Ter to facilitate the first stage of road expansion along New Bridge Rd.
+|style='text-align:left'|Amended to ply Bishan St 13 and Bishan St 11.
 |-
-|'''1 November'''
+|'''2009'''
-|style='text-align:left'|Amended to ply Eu Tong Sen St towards Upp Serangoon Ter to facilitate the second stage of road expansion along New Bridge Rd.
+|'''3 December'''
+|style='text-align:left'|{{DWAB}}
 |-
-|'''13 December'''
+|rowspan=6|Bishan ↔ Kampong Bahru
-|style='text-align:left'|Serves new staggered bus stop opposite Peninsula Plaza along Nth Bridge Rd, skipping the bus stop outside St Andrew's Cath.
+|rowspan=2|'''2018'''
+|rowspan=2|'''10 March'''
+|style='text-align:left'|Extended to Kg Bahru Ter with the closure of New Bridge Rd Ter.
 |-
-|'''1990'''
+|style='text-align:left'|First bus from Kg Bahru Ter brought forward to 0610 hrs daily.
-|'''22 July'''
-|style='text-align:left'|Serves additional bus stop outside Ellenborough Mkt along Eu Tong Sen St.
 |-
-|rowspan=4|Hougang Ctrl ↔ World Trade Ctr
+|'''2020'''
-|'''1994'''
+|'''8 November'''
-|'''18 December'''
+|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>
-|style='text-align:left'|Amended to Hougang Ctrl Int.
 |-
-|'''1996'''
+|rowspan=2|'''2023'''
-|{{TBC}}
+|'''8 January'''
-|style='text-align:left'|Serves additional bus stop outside Kallang Stn along Sims Ave.
+|style='text-align:left'|Skips the bus stop outside Newton Stn Exit B along Scotts Rd temporarily to facilitate upgrading works.
 |-
-|'''1998'''
+|'''27 August'''
-|'''24 May'''
+|style='text-align:left'|Serves reinstated bus stop outside Newton Stn Exit B along Scotts Rd.
-|style='text-align:left'|Amended to Hougang Ctrl Temp Int.
 |-
-|'''1999'''
+|'''2025'''
-|'''12 December'''
+|'''9 March'''
-|style='text-align:left'|Integrated with Service 864 to form Service 80 and discontinued.
+|style='text-align:left'|Serves additional bus stop outside Outram Pk Stn Exit 4 along New Bridge Rd.
 |}
-===2nd Generation (2003 - 2005)===
+==Service 55==
+===1<sup>st</sup> Generation (1980 - 1988)===
 {| class="wikitable" style='text-align:center'
 !style={{CSS/PAST|xfc=|xbc=}}|Operator
@@ Line 1,045: / Line 576: @@
 !style={{CSS/PAST|xfc=|xbc=}}|Service changes
 |-
-|rowspan=3|{{SBST}}
+|rowspan=5|{{SBS}}
-|Punggol Stn ↺ Punggol East
+|South Canal ↺ Alexandra Rd
-|rowspan=2|'''2003'''
+|rowspan=3|'''1980'''
-|'''15 September'''
+|'''11 February'''
-|style='text-align:left'|Introduced between Punggol Ctrl (Punggol Stn) and Punggol East (Loop) as a peak hour one-directional service, operating on weekdays and Saturdays only.
+|style='text-align:left'|Introduced between Sth Canal Ter and Alexandra Rd (Loop).
+|-
+|rowspan=4|South Canal ↺ Mei Chin Rd
+|'''9 March'''
+|style='text-align:left'|Amended to loop at Mei Chin Rd.
 |-
-|rowspan=2|Punggol ↺ Punggol East
+|'''23 November'''
-|'''30 November'''
+|style='text-align:left'|Amended to ply Leng Kee Rd and Tiong Bahru Rd.
-|style='text-align:left'|Amended to Punggol Temp Int.
 |-
-|'''2005'''
+|'''1984'''
-|'''12 March'''
+|'''30 December'''
-|style='text-align:left'|Discontinued under {{PGLRT}} (East Loop) Rationalisation.
+|style='text-align:left'|Amended to ply Alexandra Rd, skipping Leng Kee Rd.
+|-
+|'''1988'''
+|'''18 December'''
+|style='text-align:left'|Integrated with Service 195 and discontinued.
 |}
-===3rd Generation (2011 - 2024)===
+===2<sup>nd</sup> Generation (since 1992)===
 {| 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
 |-
-|{{SBST}}
+|rowspan=11|{{SBST}}<br>'''(Current)'''<br>''Known as {{SBS}} prior to 1 November 2001''
-|rowspan=5|Punggol ↺ Punggol Rd
+|Ang Mo Kio ↔ Marine Parade
-|'''2011'''
+|'''1992'''
-|'''3 September'''
+|'''29 November'''
-|style='text-align:left'|Introduced between Punggol Temp Int and Punggol Rd (Loop), replacing the deleted sectors of Service 82.
+|style='text-align:left'|Introduced between Ang Mo Kio Int and Marine Parade Ter under TransitLink Network Integration Exercise Phase 10.
 |-
-|rowspan=6|{{GAS}}
+|Bishan ↔ Marine Parade
-|'''2016'''
+|'''1994'''
-|'''4 September'''
+|'''16 January'''
-|style='text-align:left'|Operations transferred to Go-Ahead Singapore.
+|style='text-align:left'|Extended to Bishan Int.
 |-
-|'''2017'''
+|rowspan=3|{{Bus/D|55|note=Bishan ↺ Siglap Rd}}{{Bus/D|55A|PAST|note=Bishan → Siglap Rd}}
-|'''16 July'''
+|rowspan=2|'''2001'''
-|style='text-align:left'|{{DWAB}}
+|rowspan=2|'''16 September'''
+|style='text-align:left'|Amended to loop at Siglap Rd from Bishan Int with the closure of Marine Parade Ter.
 |-
-|'''2018'''
+|style='text-align:left'|{{Bus/D|55A|PAST|note=Introduced from Bishan Int to Siglap Rd (Opp Mandarin Gdns) as terminating trips after the last bus of Service 55 daily.}}
-|'''26 August'''
-|style='text-align:left'|Amended to ply Punggol Dr, Sentul Cres, Sumang Lk and Punggol Way with the partial closure of Punggol Rd.
 |-
-|'''2020'''
+|'''2003'''
-|'''23 February'''
+|{{TBC}}
-|style='text-align:left'|Amended to ply Northshore Cres and Northshore Dr with the partial closure of Punggol Way and Punggol Rd.
+|style='text-align:left'|Serves new bus stop outside Victoria Sch along Marine Parade Rd.
 |-
-|rowspan=2|Punggol ↺ New Punggol Rd
+|rowspan=2|{{Bus/D|55|note=Bishan ↺ Siglap Rd}}{{Bus/D|55A|PAST|note=Bishan → Marine Parade Rd}}
-|'''2023'''
+|'''2005'''
-|'''17 December'''
+|'''25 April'''
-|style='text-align:left'|Amended to loop at New Punggol Rd with the permanent closure of Punggol Rd End.
+|style='text-align:left'|{{Bus/D|55A|PAST|note=Extended to terminate at Marine Parade Rd (Victoria Sch).}}
 |-
-|'''2024'''
+|'''2011'''
-|'''23 June'''
+|'''7 March'''
-|style='text-align:left'|Amended to ply the extended New Punggol Rd and converted into dual plate trunk service.
+|style='text-align:left'|{{DWAB}}
-|}
-==Service 84G (Current)==
-{{:Bus Service 84G}}
-==Service 84W (Current)==
-{{:Bus Service 84W}}
-==Service 85==
-===1st Generation (1974 - 1991)===
-{| 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=5|{{SBS}}
+|{{Bus/D|55|note=Bishan ↺ Siglap Rd}}{{Bus/D|55A|PAST|note=Bishan → Marine Parade Rd}}{{Bus/D|55B|note=Bishan → Ang Mo Kio Ave 10}}
-|Upp Serangoon Rd (10.5 km) ↔ New Bridge Rd
+|'''2013'''
-|'''1974'''
+|'''25 November'''
-|'''3 February'''
+|style='text-align:left'|{{Bus/D|55B|note=Introduced from Bishan Int to Ang Mo Kio Ave 10 (Blk 443) during evening peak hours on weekdays. {{LWAB}}}}
-|style='text-align:left'|Re-numbered from Service 81A as a service between Upp Serangoon Rd 10.5 km Ter and New Bridge Rd Ter under 1974 Bus Rationalisation.
 |-
-|rowspan=2|Upp Serangoon Rd (10.5 km) ↺ Sims Ave
+|rowspan=3|{{Bus/D|55|note=Bishan ↔ Upp East Coast}}{{Bus/D|55B|note=Bishan → Ang Mo Kio Ave 10}}
-|'''1978'''
+|rowspan=2|'''2017'''
-|'''24 April'''
+|rowspan=2|'''9 April'''
-|style='text-align:left'|Amended to ply Jln Kolam Ayer and Kallang Bahru and shortened to loop at Sims Ave.
+|style='text-align:left'|{{Bus/D|55|note=Extended to Upp East Coast Ter.}}
 |-
-|'''1982'''
+|style='text-align:left'|{{Bus/D|55A|PAST|note=Discontinued with the extension of Service 55 to Upp East Coast Ter.}}
-|'''11 June'''
-|style='text-align:left'|Amended to ply Bendemeer Rd and Geylang Bahru, skipping Jln Kolam Ayer.
-|-
-|rowspan=2|Hougang ↺ Sims Ave
-|'''1983'''
-|'''30 October'''
-|style='text-align:left'|Amended to Hougang Int.
 |-
-|'''1991'''
+|'''2025'''
-|'''6 January'''
+|'''31 August'''
-|style='text-align:left'|Discontinued under TransitLink Network Integration Exercise Phase 1.
+|style='text-align:left'|Skips bus stop outside Kew Green Condo along Upp East Coast Rd.<ref>[//web.archive.org/web/20250831103334/https://www.sbstransit.com.sg/news/bus-services-to-skip-bus-stop-along-upper-east-coast-road-from-sunday-31-august-2025 "Bus services to skip bus stop along Upper East Coast Road from Sunday, 31 August 2025"] SBS Transit (29 August 2025). Archived 31 August 2025.</ref>
 |}
-===2nd Generation (1999 - 2003)===
+==Service 56==
 {| 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=10|{{SBST}}<br>''Known as {{SBS}} prior to 1 November 2001''
+|rowspan=10|{{SBST}}<br>'''(Current)'''<br>''Known as {{SBS}} prior to 1 November 2001''
-|Sengkang ↔ World Trade Ctr
+|Bishan St 11 ↺ Toa Payoh
-|'''1999'''
+|'''1985'''
-|'''12 December'''
+|'''22 December'''
-|style='text-align:left'|Re-numbered from Service 865 as a service between Sengkang Ter and World Trade Ctr Ter.
+|style='text-align:left'|Introduced between Bishan St 11 and Toa Payoh Int (Loop).
 |-
-|{{Bus/D|85|PAST|note=Sengkang ↔ World Trade Ctr}}{{Bus/D|85A|PAST|note=Sengkang → Upp Serangoon Rd}}
+|rowspan=3|Bishan ↺ Toa Payoh
-|rowspan=2|'''2000'''
+|'''1986'''
-|{{TBC}}
+|'''28 December'''
-|style='text-align:left'|{{Bus/D|85A|PAST|note=Introduced from Sengkang Ter to Upp Serangoon Rd (Blk 205) during morning peak hours on weekdays.}}
+|style='text-align:left'|Amended to Bishan Ter.
 |-
-|rowspan=4|{{Bus/D|85|PAST|note=Sengkang ↔ World Trade Ctr}}{{Bus/D|85A|PAST|note=Sengkang → Upp Serangoon Rd}}{{Bus/D|85B|PAST|note=Sengkang → Jln Besar}}
+|'''1987'''
-|{{TBC}}
+|'''16 March'''
-|style='text-align:left'|{{Bus/D|85B|PAST|note=Introduced from Sengkang Ter to Jln Besar (Bef Sim Lim Twr) on Saturdays, Sundays and Public Holidays.}}
+|style='text-align:left'|First bus from Bishan Ter brought forward to 0545 hrs daily.
 |-
-|'''2001'''
+|'''1989'''
-|'''28 April'''
+|'''30 April'''
-|style='text-align:left'|Amended to Sengkang Temp Int.
+|style='text-align:left'|Amended to Bishan Int.
 |-
-|rowspan=2|'''2002'''
+|rowspan=6|Bishan ↔ Marina Ctr
-|'''7 July'''
+|'''1990'''
-|style='text-align:left'|Skips the bus stop opposite Mandarin Singapore along Orchard Rd.
+|'''2 September'''
+|style='text-align:left'|Integrated with Services 58 and 150 and extended to Marina Ctr Ter.
 |-
+|'''2000'''
 |{{TBC}}
-|style='text-align:left'|Serves new pair of bus stops after Sommerville Rd and after Sunshine Lodge along Upp Serangoon Rd.
+|style='text-align:left'|Last bus from Marina Ctr Ter extended to 0015 hrs on Saturdays.
 |-
-|rowspan=4|{{Bus/D|85|PAST|note=Sengkang ↔ World Trade Ctr}}{{Bus/D|85A|PAST|note=Sengkang → Upp Serangoon Rd}}
+|'''2001'''
-|rowspan=4|'''2003'''
+|'''18 February'''
-|rowspan=2|'''18 January'''
+|style='text-align:left'|Serves new staggered bus stop outside Novena Stn along Thomson Rd, skipping the bus stop outside Novena Ch.
-|style='text-align:left'|Amended to Sengkang Integrated Transport Hub.
 |-
-|style='text-align:left'|{{Bus/D|85B|PAST|note=Discontinued.}}
+|'''2005'''
+|{{TBC}}
+|style='text-align:left'|Skips removed bus stop outside Muhajirin Mque along Braddell Rd.
 |-
-|{{TBC}}
+|'''2012'''
-|style='text-align:left'|Serves new pair of bus stops outside Potong Pasir Stn along Upp Serangoon Rd.
+|'''30 September'''
+|style='text-align:left'|{{DWAB}}
 |-
-|'''27 July'''
+|'''2021'''
-|style='text-align:left'|Discontinued under {{NEL}} Rationalisation Phase 2.
+|'''27 February'''
+|style='text-align:left'|Amended to the relocated Marina Ctr Ter.
 |}
-===3rd Generation (Current)===
+==Service 57==
-{{:Bus Service 85}}
+===1<sup>st</sup> Generation (1983 - 1987)===
-==Service 85#==
 {| class="wikitable" style='text-align:center'
 !style={{CSS/PAST|xfc=|xbc=}}|Operator
@@ Line 1,200: / Line 716: @@
 !style={{CSS/PAST|xfc=|xbc=}}|Service changes
 |-
-|rowspan=2|{{SBST}}
+|rowspan=3|{{SBS}}
-|rowspan=2|Punggol ↔ Yishun
+|rowspan=3|Buona Vista ↔ Changi Airport
-|'''2010'''
+|'''1983'''
-|'''23 May'''
+|'''25 June'''
-|style='text-align:left'|Introduced between Punggol Temp Int and Yishun Int, plying the original route of Service 85 via Sengkang East Rd during weekday morning peak hours.
+|style='text-align:left'|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.
+|-
+|rowspan=2|'''1987'''
+|'''6 April'''
+|style='text-align:left'|Skips removed bus stop before College Rd along Outram Rd.
 |-
-|'''2012'''
+|'''19 April'''
-|'''19 November'''
+|style='text-align:left'|Discontinued.
-|style='text-align:left'|Discontinued with the permanent route amendment of Service 85 to Sengkang East Way, Sengkang West Way and Jln Kayu.
 |}
-==Service 86==
+===2<sup>nd</sup> Generation (1988 - 1992)===
-===1st Generation (1977 - 1983)===
 {| class="wikitable" style='text-align:center'
 !style={{CSS/PAST|xfc=|xbc=}}|Operator
@@ Line 1,221: / Line 739: @@
 |-
 |rowspan=5|{{SBS}}
-|rowspan=3|Tampines Way ↺ Shenton Way
+|rowspan=5|Bishan ↺ Sin Ming Dr
-|'''1977'''
+|rowspan=2|'''1988'''
-|'''13 June'''
+|'''22 August'''
-|style='text-align:left'|Introduced between Tampines Way Ter and Shenton Way (Loop) as a semi-express service operating on weekdays and Saturdays only.
+|style='text-align:left'|Introduced between Bishan Ter and Sin Ming Dr (Loop), replacing Service 353.
 |-
-|'''1979'''
+|'''20 November'''
-|'''11 February'''
+|style='text-align:left'|Amended to ply Sin Ming Rd, Sin Ming Dr, Sin Ming Ave and Upp Thomson Rd in both directions.
-|style='text-align:left'|Amended to ply the extended Shenton Way, Keppel Rd and Anson Rd, skipping Parsi Rd.
 |-
-|'''1981'''
+|'''1989'''
-|'''11 October'''
+|'''30 April'''
-|style='text-align:left'|Serves new staggered bus stop outside Tunas Bldg along Anson Rd, skipping the bus stop outside Intl Plaza.
+|style='text-align:left'|Amended to Bishan Int.
 |-
-|rowspan=2|Hougang ↺ Shenton Way
+|'''1990'''
-|rowspan=2|'''1983'''
+|'''21 February'''
-|'''30 October'''
+|style='text-align:left'|Skips removed bus stop opposite Jasmine Rd along Upp Thomson Rd.
-|style='text-align:left'|Amended to Hougang Int.
 |-
-|'''18 December'''
+|'''1992'''
-|style='text-align:left'|Integrated with Service 97 and discontinued.
+|'''3 May'''
+|style='text-align:left'|Discontinued under TransitLink Network Integration Exercise Phase 7 with the introduction of Townlink Service 410G/410W.
 |}
-===2nd Generation (Current)===
+===3<sup>rd</sup> Generation (since 2005)===
-{{:Bus Service 86}}
+{| class="wikitable" style='text-align:center'
+!style={{CSS/BUS|xfc=|xbc=}}|Operator
-==Service 87 (Current)==
+!style={{CSS/BUS|xfc=|xbc=}}|Route
-{{:Bus Service 87}}
+!style={{CSS/BUS|xfc=|xbc=}}|Year
+!style={{CSS/BUS|xfc=|xbc=}}|Date
-==Service 88 (Current)==
+!style={{CSS/BUS|xfc=|xbc=}}|Service changes
-{{:Bus Service 88}}
-==Service 89 (Current)==
-{{:Bus Service 89}}
-==Service 90 (1971 - 1989)==
-{| class="toccolours bushist" border="1" cellpadding="3"
-|-class="PAST"
-!Operator
-!Route
-!Year
-!Date
-!Service changes
 |-
-!rowspan=2|ABC
+|rowspan=7|{{SBST}}<br>'''(Current)'''
-!Paya Lebar Airport ↔ Henderson Rd (Apr - Sep 1971)
+|rowspan=7|Bishan ↔ Bukit Merah
-|rowspan=2|1971
+|rowspan=2|'''2005'''
-|11 April
+|'''31 July'''
-|Introduced between Paya Lebar Airport Ter and Jln Bt Merah Ter under 1971 Bus Reorganisation.
+|style='text-align:left'|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.
 |-
-!rowspan=7|Paya Lebar Airport ↔ Commonwealth Ave (Sep 1971 - 1981)
+|'''2 October'''
-|14 September
+|style='text-align:left'|Serves new bus stop outside New 7th Storey Hotel along Rochor Rd.
-|Extended to Commonwealth Ave Ter.
 |-
-!rowspan=13|{{SBS}}
+|'''2006'''
-|1974
+|'''29 October'''
-|3 February
+|style='text-align:left'|Serves new bus stop outside VivoCity along Telok Blangah Rd.
-|Amended to ply MacPherson Rd and Aljunied Rd under 1974 Bus Rationalisation, skipping Paya Lebar Rd.
 |-
-|rowspan=2|1975
+|rowspan=2|'''2007'''
-|2 February
+|'''21 January'''
-|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 ply Thomson Rd, Kg Java Rd and Keng Lee Rd, skipping Whitley Rd/PIE and Dunearn Rd.
 |-
-|2 March
+|'''24 June'''
-|Amended to ply Sims Ave towards Paya Lebar Airport Ter with the conversion of Geylang Rd to one-way traffic.
+|style='text-align:left'|Serves new bus stop outside Blk 114 along Depot Rd.
 |-
-|1976
+|'''2008'''
-|1 October
+|'''7 December'''
-|Amended to Jln Ang Teng Ter.
+|style='text-align:left'|Skips removed bus stop opposite Temenggong D Mque along Telok Blangah Rd.
 |-
-|rowspan=2|1977
+|'''2009'''
-|17 May
+|'''3 December'''
-|Amended to ply Commonwealth Ave Extension and Nth Buona Vista Rd towards Commonwealth Ave Ter.
+|style='text-align:left'|{{DWAB}}
-|-
-|29 August
-|Amended to ply Holland Ave, Holland Dr and Nth Buona Vista Rd towards Commonwealth Ave Ter.
-|-
-!Commonwealth Ave ↺ Airport Rd (1981 - 1982)
-|1981
-|30 June
-|Amended to loop at Airport Rd with the closure of Jln Ang Teng Ter.
-|-
-!rowspan=6|Buona Vista ↺ Airport Rd (1982 - 1989)
-|1982
-|27 May
-|Amended to Buona Vista Ter.
-|-
-|rowspan=3|1987
-|6 April
-|Skips removed bus stop before College Rd along Outram Rd.
-|-
-|27 September
-|Amended to ply the extended Eu Tong Sen St towards Airport Rd to facilitate the first stage of road expansion along New Bridge 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 Upp Cross St and New Bridge Rd, skipping Neil Rd.
-|-
-|1989
-|5 November
-|Discontinued.
 |}
-==Service 90 (since 1993) {{WAB}} / Short Trip 90A {{WAB}}==
+==Service 58==
-:Refer to [[Bus Service 90]] for more information.
+===1<sup>st</sup> Generation (1987 - 1990)===
+{| class="wikitable" style='text-align:center'
-==Service 91 (1971 - 1989)==
+!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
 |-
-!STC
+|rowspan=3|{{SBS}}
-!rowspan=10|Paya Lebar Airport ↔ Prince Edward (1971 - Jun 1981)
+|rowspan=3|Bishan ↺ Marina Ctr
-|rowspan=2|1971
+|'''1987'''
-|11 April
+|'''18 January'''
-|Introduced between Paya Lebar Airport Ter and Prince Edward Ter under 1971 Bus Reorganisation.
+|style='text-align:left'|Introduced between Bishan Ter and Marina Ctr (Loop).
 |-
-!UBC
+|'''1989'''
-|6 December
+|'''30 April'''
-|Operations transferred to UBC.
+|style='text-align:left'|Amended to Bishan Int.
 |-
-!rowspan=11|{{SBS}}
+|'''1990'''
-|rowspan=2|1974
+|'''2 September'''
-|3 February
+|style='text-align:left'|Integrated with Service 56 and discontinued.
-|Amended to ply Paya Lebar Rd, Tg Katong Rd, Dunman Rd, Old Airport Rd and Mountbatten Rd under 1974 Bus Rationalisation, skipping MacPherson Rd and Aljunied Rd.
-|-
-|8 December
-|Amended to ply the extended Robinson Rd, skipping Market St.
-|-
-|rowspan=4|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.
-|-
-|1 October
-|Amended to Jln Ang Teng Ter.
-|-
-|30 December
-|Amended to ply Sims Ave/Geylang Rd and the extended Tg Katong Rd, skipping Guillemard Rd.
-|-
-|1978
-|15 January
-|Amended to ply Jln Sultan, skipping Sumbawa Rd.
-|-
-|1979
-|11 February
-|Amended to ply the extended Shenton Way, Palmer Rd and Anson Rd, skipping Parsi Rd.
-|-
-!Prince Edward ↺ Airport Rd (Jun - Jul 1981)
-|rowspan=2|1981
-|30 June
-|Amended to loop at Airport Rd with the closure of Jln Ang Teng Ter.
-|-
-!rowspan=2|Lor 1 Geylang ↺ Airport Rd (Jul 1981 - 1989)
-|5 July
-|Shortened to Geylang Fringe Car Pk.
-|-
-|1989
-|5 November
-|Discontinued.
 |}
-==Service 91 (since 1995) {{WAB}} / Short Trip 91A (2001 - 2012)==
+===2<sup>nd</sup> Generation (since 2005)===
-: Refer to [[Bus Service 91]] for more information.
+{| class="wikitable" style='text-align:center'
+!style={{CSS/BUS|xfc=|xbc=}}|Operator
-==Service 92 (1971 - 1993)==
+!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=3|UBC
+|rowspan=10|{{SBST}}<br>'''(Current)'''
-!rowspan=3|Paya Lebar Airport ↔ Jln Bt Merah (1971 - 1974)
+|rowspan=5|Bishan ↔ Pasir Ris
-|1971
+|'''2005'''
-|11 April
+|'''31 July'''
-|Introduced between Paya Lebar Airport Ter and Gagak Selari Barat Ter under 1971 Bus Reorganisation.
+|style='text-align:left'|Introduced between Bishan Int and Pasir Ris Int, operating between 0530 hrs and 2400 hrs from Bishan Int and Pasir Ris Int daily.
 |-
-|1972
+|'''2011'''
-|18 June
+|'''28 August'''
-|Amended to ply Bendemeer Rd towards Gagak Selari Barat Ter with the conversion of Serangoon Rd to one-way traffic.
+|style='text-align:left'|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 station on the Downtown Line.
 |-
-|1973
+|'''2012'''
-|11 March
+|'''26 March'''
-|Amended to ply Hoot Kiam Rd towards Jln Ang Teng Ter with the conversion of Irwell Bank Rd to one-way road.
+|style='text-align:left'|{{DWAB}}
 |-
-!rowspan=11|{{SBS}}
+|'''2013'''
-!rowspan=5|Paya Lebar Airport ↔ Alexandra Hosp (1974 - 1981)
+|'''22 September'''
-|rowspan=4|1974
+|style='text-align:left'|Serves new bus stop outside Wisma AUPE along Upp Paya Lebar Rd.
-|3 February
-|Extended to Alexandra Rd (Alexandra Hosp) Ter under 1974 Bus Rationalisation.
 |-
-|24 February
+|'''2016'''
-|Amended to ply Grange Rd and Orchard Blvd towards Alexandra Rd (Alexandra Hosp) Ter with the conversion of Orchard Rd to one-way road.
+|'''24 April'''
-|-
+|style='text-align:left'|Amended to ply the reinstated Kaki Bt Ave 1, skipping Jln Tenaga, Bedok Reservoir Rd and Jln Damai.
-|rowspan=2|1 October
-|Serves new bus stop outside Nan Hwa Girls' High Sch along Bencoolen St.
-|-
-|Serves merged bus stop outside Sri Srinivasa Perumal Tp along Serangoon Rd.
-|-
-|1976
-|1 October
-|Amended to Jln Ang Teng Ter.
-|-
-!Alexandra Hosp ↺ Airport Rd (1981 - 1985)
-|1981
-|30 June
-|Amended to loop at Airport Rd with the closure of Jln Ang Teng Ter.
 |-
-!rowspan=5|Clementi ↺ Airport Rd (1985 - 1993)
+|rowspan=5|{{Bus/D|58|note=Bishan ↔ Pasir Ris}}{{Bus/D|58A|note=Upp Serangoon Rd → Tampines Ave 10}}{{Bus/D|58B|note=Pasir Ris → Upp Paya Lebar Rd}}
-|1985
+|rowspan=3|'''2017'''
-|28 April
+|rowspan=2|'''10 April'''
-|Integrated with Service 185 and extended to Clementi Int.
+|style='text-align:left'|{{Bus/D|58A|note=Introduced from Upp Serangoon Rd (Serangoon Stn Exit H) to Tampines Ave 10 (Bef TPE) during peak hours on weekdays. {{LWAB}}}}
 |-
-|rowspan=2|1988
+|style='text-align:left'|{{Bus/D|58B|note=Introduced from Pasir Ris Int to Upp Paya Lebar Rd (Aft Tai Seng Stn) during peak hours on weekdays. {{LWAB}}}}
-|11 January
-|Serves merged bus stop along Ayer Rajah Rd.
 |-
-|8 March
+|'''28 May'''
-|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 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.
 |-
-|1992
+|'''2022'''
-|19 July
+|'''27 November'''
-|Amended to ply Orchard Lk due to the closure of Grange Rd to facilitate road expansion works.
+|style='text-align:left'|Serves new pair of bus stops outside and opposite HomeTeamNS Bedok along Bedok Nth Rd.
 |-
-|1993
+|'''2025'''
-|23 May
+|'''27 April'''
-|Integrated with Service 14 and discontinued under TransitLink Network Integration Exercise Phase 13.
+|style='text-align:left'|Amended to Pasir Ris Integrated Transport Hub.
 |}
-==Service 92 (since 1997) {{WAB}} / Short Trip 92A (2001 - 2023) {{WAB}} / 92A (since 2024) {{WAB}} / 92B (2007 - 2023) {{WAB}} / 92B (since 2025) {{WAB}}==
+==Service 59==
-: Refer to [[Bus Service 92]] for more information.
+===1<sup>st</sup> Generation (1988 - 1999)===
-==Service 92M (2015 - 2024) {{WAB}}==
-{| class="toccolours bushist" border="1" cellpadding="3"
-|-class="PAST"
-!Operator
-!Year
-!Date
-!Service changes
-|-
-!rowspan=4|{{SBST}}<br>(Current)
-|2015
-|30 August
-|Introduced between Ghim Moh Ter and Nth Buona Vista Rd (Loop), operating on Sundays and Public Holidays only. Wheelchair-accessible at launch.
-|-
-|2017
-|9 July
-|Last bus extended to 2005 hrs, with special departures operating between Ghim Moh Ter and Nth Buona Vista Rd (Buona Vista Stn Exit D) until 2043 hrs.
-|-
-|2023
-|10 September
-|Serves new bus stop opposite Ghim Moh Ter along Ghim Moh Rd.
-|-
-|2024
-|25 August
-|Integrated with Service 92 and discontinued.
-|}
-==Service 93 {{WAB}}==
-: Refer to [[Bus Service 93]] for more information.
-==Service 93A (1971 - 1974)==
-{| class="toccolours bushist" border="1" cellpadding="3"
-|-class="PAST"
-!Operator
-!Year
-!Date
-!Service changes
-|-
-!UBC
-|1971
-|25 April
-|Introduced between Jln Ang Teng Ter and Jln Bt Merah Ter.
-|-
-!{{SBS}}
-|1974
-|3 February
-|Discontinued under 1974 Bus Rationalisation.
-|}
-==Service 94 (1971 - 1989)==
-{| class="toccolours bushist" border="1" cellpadding="3"
-|-class="PAST"
-!Operator
-!Route
-!Year
-!Date
-!Service changes
-|-
-!rowspan=2|STC
-!rowspan=8|Jln Kolam Ayer ↔ Ulu Pandan (1971 - 1976)
-|rowspan=3|1971
-|11 April
-|Introduced between Jln Kolam Ayer Ter and Ulu Pandan Ter under 1971 Bus Reorganisation.
-|-
-|9 May
-|Amended to ply Tiong Bahru Rd and Tanglin Rd.
-|-
-!rowspan=2|ABS
-|6 December
-|Operations transferred to ABS.
-|-
-|1972
-|18 June
-|Amended to ply Bendemeer Rd towards Ulu Pandan Ter with the conversion of Serangoon Rd to one-way traffic.
-|-
-!rowspan=11|{{SBS}}
-|1974
-|8 December
-|Amended to ply the extended Robinson Rd, skipping Market St.
-|-
-|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.
-|-
-|rowspan=3|1976
-|15 February
-|Serves staggered bus stop between Bank of India and Hong Leong Holdings along Robinson Rd.
-|-
-|{{TBC}}
-|Amended to ply Kallang Bahru, skipping Serangoon Rd/Bendemeer Rd.
-|-
-!Sims Pl ↔ Ulu Pandan (1976 - 1977)
-|13 December
-|Extended to Sims Pl Ter.
-|-
-!rowspan=6|Sims Pl ↺ Shenton Way (1977 - 1989)
-|1977
-|17 October
-|Shortened to loop at Shenton Way from Sims Pl Ter with the introduction of Service 188.
-|-
-|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.
-|-
-|1982
-|22 May
-|Amended to ply Aljunied Rd, MacPherson Rd, Bendemeer Rd and Geylang Bahru towards Shenton Way, skipping Jln Kolam Ayer and amended to ply Bendemeer Rd, Whampoa North, Serangoon Rd, MacPherson Rd and Aljunied Rd towards Sims Pl Ter.
-|-
-|1988
-|3 January
-|Serves new staggered bus stop opposite Treasury Bldg along Shenton Way, skipping the bus stop opposite Marina Hse.
-|-
-|1989
-|11 June
-|Discontinued.
-|}
-==Service 94 (since 1989) {{WAB}} / Short Trip 94A {{WAB}}==
-: Refer to [[Bus Service 94]] for more information.
-==Service 95==
-===1st Generation (1971 - 1988)===
 {| class="wikitable" style='text-align:center'
 !style={{CSS/PAST|xfc=|xbc=}}|Operator
@@ Line 1,596: / Line 879: @@
 !style={{CSS/PAST|xfc=|xbc=}}|Service changes
 |-
-|rowspan=3|{{UBC}}
+|rowspan=3|{{SBS}}
-|rowspan=4|Paya Lebar Airport ↺ Havelock Rd
+|rowspan=2|Bishan ↔ Jln Kayu
-|'''1971'''
+|'''1988'''
-|'''22 April'''
+|'''10 July'''
-|style='text-align:left'|Introduced between Paya Lebar Airport Ter and Havelock Rd (Loop).
+|style='text-align:left'|Introduced between Bishan Ter and Jln Kayu Ter.
 |-
-|'''1972'''
+|'''1989'''
-|'''11 June'''
+|'''30 April'''
-|style='text-align:left'|Amended to ply the extended Upp Cross St with the partial conversion of Havelock Rd to one-way traffic, skipping New Bridge Rd.
+|style='text-align:left'|Amended to Bishan Int.
 |-
-|rowspan=2|'''1973'''
+|rowspan=4|Ang Mo Kio ↺ Jln Kayu
-|'''11 March'''
+|'''1992'''
-|style='text-align:left'|Amended to ply Hoot Kiam Rd towards Jln Ang Teng Ter with the conversion of Irwell Bank Rd to one-way traffic.
+|'''3 May'''
+|style='text-align:left'|Shortened to Ang Mo Kio Int and amended to loop at Jln Kayu under TransitLink Network Integration Exercise Phase 7.
 |-
-|rowspan=10|{{SBS}}
+|rowspan=3|{{TIBS}}<br>
-|'''1 July'''
+|'''1995'''
-|style='text-align:left'|Operations transferred to Singapore Bus Services.
+|'''17 December'''
+|style='text-align:left'|Operations transferred to Trans Island Bus Services. Amended to start from Jln Kayu Ter and loop at Ang Mo Kio Int.
 |-
-|rowspan=4|Paya Lebar Airport ↔ Ulu Pandan
+|'''1998'''
-|'''1974'''
+|{{TBC}}
-|'''3 February'''
+|style='text-align:left'|Skips a pair of temporarily closed bus stops before and after Seletar West Farmway 1 along Jln Kayu.
-|style='text-align:left'|Extended to Ulu Pandan Ter and amended to Lor 4 Toa Payoh, Toa Payoh Ctrl and Lor 2 Toa Payoh under 1974 Bus Rationalisation.
 |-
-|'''1976'''
+|'''1999'''
-|'''1 October'''
+|'''21 February'''
-|style='text-align:left'|Amended to Jln Ang Teng Ter.
+|style='text-align:left'|Extended to Sengkang Ter and re-numbered Service 866.
-|-
-|'''1977'''
-|'''19 June'''
-|style='text-align:left'|Amended to ply Paterson Rd, Orchard Blvd and Grange Rd towards Ulu Pandan Ter with the full conversion of Orchard Rd to one-way traffic.
-|-
-|'''1980'''
-|'''20 January'''
-|style='text-align:left'|Amended to ply Thomson Flyover towards Ulu Pandan Ter, skipping Thomson Rd and a portion of Whitley Rd.
-|-
-|Paya Lebar Airport ↔ Clementi
-|rowspan=2|'''1981'''
-|'''15 June'''
-|style='text-align:left'|Extended to Clementi Int.
-|-
-|rowspan=4|Clementi ↺ Airport Rd
-|'''30 June'''
-|style='text-align:left'|Amended to loop at Airport Rd with the closure of Jln Ang Teng Ter.
-|-
-|'''1986'''
-|'''16 November'''
-|style='text-align:left'|Serves new staggered bus stop outside Thong Teck Bldg along Scotts Rd, skipping the bus stop outside Metro Orchard.
-|-
-|rowspan=2|'''1988'''
-|'''8 March'''
-|style='text-align:left'|Amended to ply Clementi Ave 3 with the abolition of right turning from Clementi Ave 3 to Commonwealth Ave West.
-|-
-|'''13 March'''
-|style='text-align:left'|Discontinued with the introduction of Service 105.
 |}
-===2nd Generation (Current)===
+===2<sup>nd</sup> Generation (since 2005)===
-{{:Bus Service 95}}
+{| class="wikitable" style='text-align:center'
+!style={{CSS/BUS|xfc=|xbc=}}|Operator
-==Service 96 (Current)==
+!style={{CSS/BUS|xfc=|xbc=}}|Route
-{{:Bus Service 96}}
+!style={{CSS/BUS|xfc=|xbc=}}|Year
+!style={{CSS/BUS|xfc=|xbc=}}|Date
-==Service 97 (Current)==
+!style={{CSS/BUS|xfc=|xbc=}}|Service changes
-{{:Bus Service 97}}
-==Service 98 (Current)==
-{{:Bus Service 98}}
-==Service 98M (Current)==
-{{:Bus Service 98M}}
-==Service 99 (Current)==
-{{:Bus Service 99}}
-==Service 100 (April - May 1971)==
-{| class="toccolours bushist" border="1" cellpadding="3"
-|-class="PAST"
-!Operator
-!Year
-!Date
-!Service changes
 |-
-!rowspan=2|STC
+|rowspan=8|{{SBST}}<br>'''(Current)'''
-|rowspan=2|1971
+|rowspan=8|Bishan ↔ Changi Village
-|11 April
+|'''2005'''
-|Introduced between Serangoon Gdn Ter and Prince Edward Ter under 1971 Bus Reorganisation.
+|'''23 October'''
+|style='text-align:left'|Introduced between Bishan Int and Changi Village Ter, operating between 0600 hrs and 2330 hrs from Bishan Int and Changi Village Ter daily.
 |-
-|9 May
+|'''2006'''
-|Integrated with Service 100A and re-numbered Service 100/100A.
-|}
-==Service 100 (since 1974) {{WAB}}==
-{| class="toccolours bushist" border="1" cellpadding="3"
-|-class="BUS"
-!Operator
-!Route
-!Year
-!Date
-!Service changes
-|-
-!rowspan=16|{{SBS}}
-!rowspan=9|Serangoon Garden ↔ Prince Edward (1974 - 1985)
-|rowspan=2|1974
-|3 February
-|Re-numbered from Service 100/100A as a service between Serangoon Gdn Ter and Prince Edward Ter under 1974 Bus Rationalisation.
-|-
-|8 December
-|Amended to ply the extended Robinson Rd, skipping Market St.
-|-
-|rowspan=2|1975
-|2 March
-|Amended to ply Sims Ave towards Serangoon Gdn Ter with the conversion of Geylang Rd to one-way traffic.
-|-
-|21 July
-|Amended to ply St. Andrew's Rd and Stamford Rd, skipping Coleman St and Hill St.
-|-
-|rowspan=3|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.
-|-
-|16 August
-|Amended to ply Aljunied Rd with the introduction of Service 60, skipping MacPherson Est in both directions.
-|-
-|1977
-|31 October
-|Amended to skip Serangoon Gdn Est with the introduction of Service 217.
-|-
-|1979
-|11 February
-|Amended to ply the extended Shenton Way, Palmer Rd and Anson Rd, skipping Parsi Rd.
-|-
-!rowspan=2|Serangoon Garden ↔ World Trade Ctr (1985 - 1988)
-|1985
-|13 January
-|Extended to World Trade Ctr Ter.
-|-
-|rowspan=2|1988
-|3 January
-|Serves new staggered bus stop opposite Treasury Bldg along Shenton Way, skipping the bus stop opposite Marina Hse.
-|-
-!Serangoon ↔ World Trade Ctr (1988 - 1989)
-|13 March
-|Amended to Serangoon Int.
-|-
-!rowspan=14|Serangoon ↔ Ghim Moh (since 1989)
-|1989
-|5 November
-|Integrated with Service 20, extended to Ghim Moh Ter and amended to ply Beach Rd, skipping Nth Bridge Rd/Victoria St.
-|-
-|1994
-|3 July
-|Amended to ply Crawford St towards Serangoon Int.
-|-
-|1996
 |{{TBC}}
-|Serves additional bus stop outside Kallang Stn along Sims Ave.
+|style='text-align:left'|First bus from Bishan Int brought forward to 0545 hrs on weekdays.
 |-
-|1999
+|'''2010'''
-|{{TBC}}
+|'''28 June'''
-|Skips a pair of removed bus stops outside and opposite Wishart Rd along Telok Blangah Rd.
+|style='text-align:left'|{{DWAB}}
 |-
-!rowspan=10|{{SBST}}<br>(Current)
+|'''2011'''
-|2002
+|'''28 August'''
-|{{TBC}}
+|style='text-align:left'|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 station on the Downtown Line.
-|Serves new pair of bus stops after Sommerville Rd and after Sunshine Lodge along Upp Serangoon Rd.
 |-
-|2006
+|'''2016'''
-|29 October
+|'''24 April'''
-|Serves new bus stop outside VivoCity along Telok Blangah Rd.
+|style='text-align:left'|Amended to ply the reinstated Kaki Bt Ave 1, skipping Jln Tenaga, Bedok Reservoir Rd and Jln Damai.
 |-
-|2007
+|'''2017'''
-|28 April
+|'''21 October'''
-|Serves additional bus stop outside Victoria Concert Hall along Fullerton Rd.
+|style='text-align:left'|Serves new pair of bus stops outside Tampines East Stn along Tampines Ave 2.
 |-
-|2008
+|'''2023'''
-|7 December
+|'''26 February'''
-|Skips removed bus stop opposite Temenggong D Mque along Telok Blangah Rd.
+|style='text-align:left'|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 station on the Cross Island Line, skipping 3 pairs of bus stops along Loyang Ave.
 |-
-|rowspan=2|2011
+|'''2025'''
-|3 September
+|'''26 October'''
-|Amended to Serangoon Integrated Transport Hub.
+|style='text-align:left'|Serves a new pair of bus stops in front of and opposite Blk 961A along Bedok Reservoir Rd.<ref>[//www.sbstransit.com.sg/Uploads/Poster%20-%20Bus%20Services%20to%20Call%20at%20New%20Bus%20Stops%20along%20Bedok%20Reservoir%20Road.pdf "Bus Services to Call at New Bus Stops along Bedok Reservoir Road"] SBS Transit, 21 October 2025.</ref>
-|-
-|26 September
-|{{DWAB}}
-|-
-|2016
-|1 May
-|Amended to ply Esplanade Dr with the partial closure of Fullerton Rd.
-|-
-|2017
-|12 March
-|Amended to ply Upp Serangoon Rd and the diverted Upp Aljunied Rd.
-|-
-|2021
-|26 December
-|Amended to ply Esplanade Dr towards Ghim Moh Ter with the closure of Connaught Dr.
-|-
-|2023
-|10 September
-|Extended to terminate at Ghim Moh Rd (Blk 7) towards Ghim Moh Ter.
-|}
-==Service 100/100A (1971 - 1974)==
-{| class="toccolours bushist" border="1" cellpadding="3"
-|-class="PAST"
-!Operator
-!Year
-!Date
-!Service changes
-|-
-!STC
-|rowspan=2|1971
-|9 May
-|Re-numbered from Service 100 as a service between Serangoon Gdn Ter and Prince Edward Ter.
-|-
-!ABS
-|6 December
-|Operations transferred to Associated Bus Service (ABS).
-|-
-!{{SBS}}
-|1974
-|3 February
-|Re-numbered Service 100 under 1974 Bus Rationalisation.
-|}
-==Service 100A (April - May 1971)==
-{| class="toccolours bushist" border="1" cellpadding="3"
-|-class="PAST"
-!Operator
-!Year
-!Date
-!Service changes
-|-
-!rowspan=2|STC
-|rowspan=2|1971
-|11 April
-|Introduced between Serangoon Gdn Ter and Finlayson Green (Loop) under 1971 Bus Reorganisation.
-|-
-|9 May
-|Integrated with Service 100 and discontinued.
 |}
-==Short Trip 100A (since 2000) {{WAB}}==
+==References==
-{| class="toccolours bushist" border="1" cellpadding="3"
+<references/>
-|-class="BUS"
-!Operator
-!Route
-!Year
-!Date
-!Service changes
-|-
-!{{SBS}}
-!rowspan=5|Serangoon → Aljunied Rd (since 2000)
-|2000
-|{{TBC}}
-|Introduced from Serangoon Int to Aljunied Rd (Aljunied Stn) during morning peak hours on weekdays.
-|-
-!rowspan=4|{{SBST}}<br>(Current)
-|2002
-|{{TBC}}
-|Serves new bus stop after Sunshine Lodge along Upp Serangoon Rd.
-|-
-|rowspan=2|2011
-|3 September
-|Amended to Serangoon Integrated Transport Hub.
-|-
-|26 September
-|{{DWAB}}
-|-
-|2017
-|12 March
-|Amended to ply Upp Serangoon Rd and the diverted Upp Aljunied Rd.
-|}
-==Short Trip 100B (2003 - 2008)==
-{| class="toccolours bushist" border="1" cellpadding="3"
-|-class="PAST"
-!Operator
-!Year
-!Date
-!Service changes
-|-
-!rowspan=2|{{SBST}}
-|2003
-|8 September
-|Introduced as a short-trip service from Ghim Moh Ter to Telok Blangah Rd (HarbourFront Stn) during morning peak hours on weekdays.
-|-
-|2008
-|{{TBC}}
-|Discontinued.
-|}
-[[Category: Buses]]
+==See also==
+* [[History of Bus Services]]
+[[Category:Buses]]
+[[Category:SBS Transit]]

History of Services 50 - 59: Difference between revisions

Latest revision as of 23:05, 28 October 2025

Service 50

1st Generation (1971 - 1991)

2nd Generation (since 2012)

Service 50A

Service 51

Service 52

1st Generation (1971 - 1974)

2nd Generation (since 2005)

Service 53

1st Generation (1974 - 1983)

2nd Generation (since 1994)

Service 53M

Service 54

1st Generation (1985 - 1987)

2nd Generation (since 1993)

Service 55

1st Generation (1980 - 1988)

2nd Generation (since 1992)

Service 56

Service 57

1st Generation (1983 - 1987)

2nd Generation (1988 - 1992)

3rd Generation (since 2005)

Service 58

1st Generation (1987 - 1990)

2nd Generation (since 2005)

Service 59

1st Generation (1988 - 1999)

2nd Generation (since 2005)

References

See also

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1^st Generation (1971 - 1991)

2^nd Generation (since 2012)

1^st Generation (1971 - 1974)

2^nd Generation (since 2005)

1^st Generation (1974 - 1983)

2^nd Generation (since 1994)

1^st Generation (1985 - 1987)

2^nd Generation (since 1993)

1^st Generation (1980 - 1988)

2^nd Generation (since 1992)

1^st Generation (1983 - 1987)

2^nd Generation (1988 - 1992)

3^rd Generation (since 2005)

1^st Generation (1987 - 1990)

2^nd Generation (since 2005)

1^st Generation (1988 - 1999)

2^nd Generation (since 2005)