History of Express Services

Service 10e

Refer to Bus Service 10e for more information.

Service 12e

Operator	Route	Year	Date	Service changes
(Current)	Pasir Ris ↔ New Bridge Rd (Jan - Mar 2018)	2018	28 January	Introduced between Pasir Ris Int and New Bridge Rd Ter, operating daily. Wheelchair-accessible at launch.
	Pasir Ris ↔ Kampong Bahru (Mar 2018 - Apr 2020)		10 March	Extended to Kg Bahru Ter with the closure of New Bridge Rd Ter.
		2019	27 January	Serves a pair of additional bus stops outside and opposite Eastern Lagoon II along Bedok Sth Ave 1, an additional bus stop outside Bugis Stn Exit D along Rochor Rd and 2 additional bus stops outside Golden Landmark and outside Duo Residences along Ophir Rd.
		2020	9 February	Revised to operate in the mornings and afternoons (towards Kg Bahru Ter) and afternoons and evenings (towards Pasir Ris Int) daily.
	N/A		15 April	Temporarily suspended due to COVID-19 Circuit Breaker measures in Singapore until 4 May 2020.
			5 May	Temporary suspension of service due to COVID-19 Circuit Breaker measures in Singapore extended until 1 June 2020.
	Pasir Ris ↔ Kampong Bahru (Jun 2020 - 2021)		2 June	Resumed normal operations.
	N/A	2021	15 September	Temporarily suspended due to the impact of COVID-19 on available manpower.
	Pasir Ris ↔ Kampong Bahru (since 2022)	2022	16 January	Resumed normal operations.
				First bus timing from Pasir Ris Int revised to 0630 hrs on Saturdays, Sundays and Public Holidays.
				Last bus timing from Pasir Ris Int revised to 1800 hrs on Weekdays.
				Last bus timing from Kg Bahru Ter revised to 2230 hrs daily.
			30 October	Temporarily amended to ply Pasir Ris St 11 and Pasir Ris St 12 with the partial closure of Pasir Ris Dr 1 to facilitate the construction of Pasir Ris East MRT station on the Cross Island MRT Line.
		2023	9 April	First bus timing from Pasir Ris Int revised to 0800 hrs on Saturdays, Sundays and Public Holidays.
				Last bus timing from Pasir Ris Int revised to 1200 hrs on Weekdays, 1800 hrs on Saturdays, Sundays and Public Holidays.
				First bus timing from Kg Bahru Ter revised to 1600 hrs on Weekdays, 1330 hrs on Saturdays, Sundays and Public Holidays.
				Last bus timing from Kg Bahru Ter revised to 2200 hrs daily.

Service 14e

Refer to Bus Service 14e for more information.

Service 30e

Refer to Bus Service 30e for more information.

Service 43e

Operator	Route	Year	Date	Service changes
(Current)	Punggol → Marine Parade Rd (AM) Marine Parade Rd → Punggol (PM) (2019 - Apr 2020)	2019	9 September	Introduced between Punggol Temp Int and Marine Parade Rd (Opp Blk 72) during morning peak hours and between Marine Parade Rd (Bet Blks 72/74) and Punggol Temp Int during evening peak hours as a peak-hour one-directional service on weekdays. Wheelchair-accessible at launch.
	N/A	2020	15 April	Temporarily suspended due to COVID-19 Circuit Breaker measures in Singapore until 4 May 2020.
			5 May	Temporary suspension of service due to COVID-19 Circuit Breaker measures in Singapore extended until 1 June 2020.
	Punggol → Marine Parade Rd (AM) Marine Parade Rd → Punggol (PM) (Jun 2020 - 2021)		2 June	Resumed normal operations.
	N/A	2021	15 September	Temporarily suspended due to the impact of COVID-19 on available manpower.
	Punggol → Marine Parade Rd (AM) Marine Parade Rd → Punggol (PM) (since 2022)	2022	17 January	Resumed normal operations.
				Last bus timing from Punggol Temp Int revised to 0930 hrs.
				First bus timing from Marine Parade Rd revised to 1700 hrs.
		2024	27 May	First bus timing from Punggol Temp Int brought forward to 0620 hrs.
				First bus timing from Marine Parade Rd brought forward to 1650 hrs.
				Serves additional bus stops along Buangkok Dr and Airport Rd.

Service 74e (2006 - 2022)

Operator	Year	Date	Service changes
	2006	18 December	Introduced between Hougang Ctrl Int and Buona Vista Ter during morning peak hours and between Buona Vista Ter and Hougang Ctrl Int during evening peak hours as a peak hour one-directional Fast Forward service on weekdays.
	2015	28 September	Designated wheelchair-accessible bus service (WAB).
	2018	12 August	Converted to Express service.
	2020	15 April	Temporarily suspended due to COVID-19 Circuit Breaker measures in Singapore until 4 May 2020.
		5 May	Temporary suspension of service due to COVID-19 Circuit Breaker measures in Singapore extended until 1 June 2020.
		2 June	Resumed normal operations.
	2022	17 January	Discontinued.

Service 89e

Operator	Route	Year	Date	Service changes
(Current)	Hougang Ctrl → Airport Cargo Rd (AM) Airport Cargo Rd → Hougang Ctrl (PM) (2005 - 2009)	2005	19 September	Introduced between Hougang Ctrl Int and Airport Cargo Rd (AirFreight Ter Bldg) during morning peak hours and between Airport Cargo Rd (CIAS Cargo Ters) and Hougang Ctrl Int during evening peak hours as a peak hour one-directional Fast Forward service on weekdays.
	Hougang Ctrl → Airport Cargo Rd (AM) Airline Rd → Hougang Ctrl (PM) (2009 - Apr 2020)	2009	23 February	Serves additional bus stop outside 3rd Cargo Agents along Airline Rd for evening peak trips.
		2014	24 August	Serves new pair of bus stops before and after Punggol Rd along TPE.
		2015	3 December	Designated wheelchair-accessible bus service (WAB).
		2018	12 August	Converted to Express service.
	N/A	2020	15 April	Temporarily suspended due to COVID-19 Circuit Breaker measures in Singapore until 4 May 2020.
	Hougang Ctrl → Airport Cargo Rd (AM) Airline Rd → Hougang Ctrl (PM) (since Apr 2020)		24 April	Temporary suspension of service reverted with immediate effect instead of 5 May 2020.
		2021	5 July	6th AM peak trip added.
		2022	28 August	Temporarily amended to ply Hougang Ave 4 and Hougang Ave 10 with the partial closure of Hougang Ctrl to facilitate the construction of Hougang MRT station on the Cross Island MRT Line.
			27 December	7th AM peak trip added.
		2023	26 February	Temporarily amended to ply the bus-only corridor along Loyang Ave and Loyang Way with the partial closure of Loyang Ave to facilitate the construction of Loyang Viaduct and Loyang MRT station on the Cross Island MRT Line, skipping 2 pairs of bus stops along Loyang Ave.
			26 June	8th and 9th AM peak trips added at 0615 hrs and 0625 hrs. 6th PM peak trip added at 1739 hrs.
			16 October	10th and 11th AM peak trips added. 7th and 8th PM peak trips added.
		2024	15 April	12th and 13th AM peak trips added. 9th and 10th PM peak trips added.
			16 September	Serves an additional pair of bus stops along Punggol Rd outside and opposite The Rivervale.

Service 97e

Refer to Bus Service 97e for more information.

Service 147e (2018 - 2020)

Operator	Year	Date	Service changes
	2018	28 January	Introduced between New Bridge Rd (Clarke Quay Stn) and Clementi Int and between Clementi Int and Eu Tong Sen St (Clarke Quay Stn Exit E) as a Fast Forward service, operating daily. Wheelchair-accessible at launch.
		12 August	Converted to Express service.
	2020	9 February	Discontinued.

Service 151e (2006 - 2022)

Operator	Year	Date	Service changes
	2006	18 December	Introduced between Hougang Ctrl Int and Kent Ridge Ter during morning peak hours and between Kent Ridge Ter and Hougang Ctrl Int during evening peak hours as a peak hour one-directional Fast Forward service on weekdays.
	2015	3 December	Designated wheelchair-accessible bus service (WAB).
	2018	12 August	Converted to Express service.
	2020	15 April	Temporarily suspended due to COVID-19 Circuit Breaker measures in Singapore until 4 May 2020.
		5 May	Temporary suspension of service due to COVID-19 Circuit Breaker measures in Singapore extended until 1 June 2020.
		2 June	Resumed normal operations.
	2022	17 January	Discontinued.

Service 167e (2018 - 2020)

Operator	Year	Date	Service changes
	2018	25 November	Introduced between Sembawang Int and Shenton Way (Opp MAS Bldg) and between Anson Rd (Tg Pagar Stn Exit C) and Sembawang Int, operating daily. Wheelchair-accessible at launch.
	2020	9 February	Revised to operate in the mornings and afternoons (towards Shenton Way) and in the afternoons and evenings (towards Sembawang Int) on weekdays only.
		8 April	Temporarily suspended due to COVID-19 Circuit Breaker measures in Singapore until 4 May 2020.
		5 May	Temporary suspension of service due to COVID-19 Circuit Breaker measures in Singapore extended until 1 June 2020.
		2 June	Resumed normal operations.
		14 December	Discontinued.

Service 174e

Operator	Route	Year	Date	Service changes
(Current)	Boon Lay → North Bridge Rd (AM) North Bridge Rd → Boon Lay (PM) (2005 - Jun 2006)	2005	28 March	Introduced between Boon Lay Int and Nth Bridge Rd (St. Andrew's Cath) during morning peak hours and between Nth Bridge Rd (St. Andrew's Cath) and Boon Lay Int during evening peak hours as a peak hour one-directional Fast Forward service on weekdays.
			2 July	Amended to ply Grange Rd with the partial closure of Somerset Rd.
	Boon Lay Temp Int → North Bridge Rd (AM) North Bridge Rd → Boon Lay Temp Int (PM) (Jun - Nov 2006)	2006	18 June	Amended to Boon Lay Temp Int.
	Boon Lay Temp Int → New Bridge Rd (AM) New Bridge Rd → Boon Lay Temp Int (PM) (Nov 2006 - 2009)		20 November	Extended to New Bridge Rd Ter.
				Serves additional pair of bus stops outside and opposite Singapore Botanic Gdns along Napier Rd.
	Boon Lay → New Bridge Rd (AM) New Bridge Rd → Boon Lay (PM) (2009 - 2018)	2009	27 December	Amended to Boon Lay Integrated Transport Hub.
		2011	14 August	Serves additional bus stop outside Clarke Quay Stn along Eu Tong Sen St.
		2012	9 December	Amended to ply Upp Bt Timah Rd and Bt Timah Lk with the partial closure of Jln Jurong Kechil to facilitate the construction of Beauty World MRT station on the Downtown MRT Line.
		2014	26 January	Amended to ply express sectors along the reinstated Jln Jurong Kechil, skipping Upp Bt Timah Rd and Bt Timah Lk.
		2015	28 September	Designated wheelchair-accessible bus service (WAB).
	Boon Lay → Kampong Bahru (AM) Kampong Bahru → Boon Lay (PM) (2018 - Apr 2020)	2018	10 March	Extended to Kg Bahru Ter with the closure of New Bridge Rd Ter.
			12 August	Converted to Express service.
	N/A	2020	8 April	Temporarily suspended due to COVID-19 Circuit Breaker measures in Singapore until 4 May 2020.
			5 May	Temporary suspension of service due to COVID-19 Circuit Breaker measures in Singapore extended until 1 June 2020.
	Boon Lay → Kampong Bahru (AM) Kampong Bahru → Boon Lay (PM) (since Jun 2020)		2 June	Resumed normal operations.
		2022	14 February	Amended to ply the extended southbound Upp Bt Timah Rd towards Kg Bahru Ter, skipping Jln Anak Bt.

Service 188E/188e

Operator	Route	Year	Date	Service changes
(Current)	Choa Chu Kang → HarbourFront (2007 - Apr 2020)	2007	25 June	Introduced from Choa Chu Kang Int to HarbourFront Int as a peak hour one-directional service during weekday mornings, numbered Service 188E.
		2015	22 March	Designated wheelchair-accessible bus service (WAB).
		2018	13 August	Renumbered as Service 188e.
			16 December	Amended to new Choa Chu Kang Int.
	N/A	2020	15 April	Temporarily suspended due to COVID-19 Circuit Breaker measures in Singapore until 4 May 2020.
			5 May	Temporary suspension of service due to COVID-19 Circuit Breaker measures in Singapore extended until 1 June 2020.
	Choa Chu Kang → HarbourFront (since Jun 2020)		2 June	Resumed normal operations.

Service 188R (2010 - 2022)

Operator	Year	Date	Service changes
	2010	1 May	Introduced between Choa Chu Kang Int and Resorts World Sentosa, operating on Saturdays, Sundays and Public Holidays only.
	2015	22 March	Designated wheelchair-accessible bus service (WAB).
	2018	16 December	Amended to new Choa Chu Kang Int.
	2020	15 April	Temporarily suspended due to COVID-19 Circuit Breaker measures in Singapore until 4 May 2020.
		5 May	Temporary suspension of service due to COVID-19 Circuit Breaker measures in Singapore extended until 1 June 2020.
		2 June	Temporary suspension of service due to COVID-19 Circuit Breaker measures in Singapore extended until further notice.
	2022	30 June	Discontinued.

Service 196e

Refer to Bus Service 196e for more information.

Service 501 (1997 - 2003)

Operator	Year	Date	Service changes
	1997	5 May	Introduced between Hougang Ctrl Int and Penang Rd (AM Peak) and between Anson Rd and Hougang Ctrl Int (PM Peak) as a peak hour one-directional service on weekdays and Saturdays.
		22 December	Converted to a day service on weekdays and Saturdays, looping at Penang Rd.
	2000	10 September	Extended to Sengkang Ter.
	2001	28 April	Amended to Sengkang Temp Int.
	2003	18 January	Amended to Sengkang Integrated Transport Hub.
		27 July	Discontinued under North East MRT Line Rationalisation Phase 2.

Service 501X (1997 - 2003)

Operator	Year	Date	Service changes
	1997	22 December	Introduced between Hougang Ctrl Int and Temasek Ave (Loop) as an alternate route of Service 501, operating during off peak periods on weekdays and Saturdays and throughout the day on Sundays and Public Holidays.
	2000	10 September	Extended to Sengkang Ter.
	2001	28 April	Amended to Sengkang Temp Int.
	2003	18 January	Amended to Sengkang Integrated Transport Hub.
		27 July	Discontinued under North East MRT Line Rationalisation Phase 2.

Service 502

Operator	Route	Year	Date	Service changes
	Hougang Ctrl ↔ Boon Lay (1997 - 2000)	1997	5 May	Introduced between Hougang Ctrl Int and Boon Lay Int, operating daily.
		1999	TBC	Serves additional pair of bus stops outside and opposite The Synergy along Boon Lay Way.
	Sengkang ↔ Boon Lay (2000 - 2003)	2000	10 September	Extended to Sengkang Ter.
		2001	28 April	Amended to Sengkang Temp Int.
		2002	7 July	Skips the bus stop opposite Mandarin Singapore along Orchard Rd.
		2003	18 January	Amended to Sengkang Integrated Transport Hub.
	Boon Lay ↺ Temasek Ave (2003 - 2005)		27 July	Shortened to loop at Temasek Ave from Boon Lay Int under North East MRT Line Rationalisation Phase 2.
				Serves additional pair of bus stops outside and opposite Holland Village along Holland Rd.
		2005	2 July	Amended to ply Grange Rd with the partial closure of Somerset Rd.
	Pioneer Rd North ↺ Temasek Ave (2005 - 2009)		26 December	Extended to start from Pioneer Rd Nth (Opp Blk 653B), amended to ply Toh Guan Rd in both directions and ply Orchard Turn, Scotts Rd, Stevens Rd, Whitley Rd, PIE and Toh Tuck Ave towards Pioneer Rd North.
		2006	18 June	Serves new pair of bus stops outside Blk 683A and outside Blk 691A CP along Jurong West Ctrl 1.
			29 October	Serves relocated bus stop outside Orchard Stn along Orchard Turn.
		2008	15 June	Serves new pair of bus stops outside Blk 670A and outside Blk 678D along Jurong West St 64.
	Soon Lee Bus Pk ↺ Temasek Ave (2009 - 2010)	2009	23 February	Extended to Soon Lee Bus Pk.
	Soon Lee Bus Pk ↺ Marina Stn Rd (2010 - 2012)	2010	26 April	Amended to ply Bayfront Ave, Marina Stn Rd, ECP, AYE, Clementi Ave 6 and Commonwealth Ave West, skipping Raffles Ave, Stamford Rd, Orchard Rd, Penang Rd, Somerset Rd, Orchard Turn, Scotts Rd, Stevens Rd, Whitley Rd, PIE and Toh Tuck Ave.
	Soon Lee Bus Pk ↺ Marina St (2012 - 2013)	2012	14 January	Serves reinstated bus stop outside Marina Bay Stn along Marina St.
			30 September	Designated wheelchair-accessible bus service (WAB).
	Soon Lee Bus Pk ↺ Central Blvd (2013 - Apr 2020)	2013	29 December	Amended to ply Central Blvd, Shenton Way and Keppel Rd with the opening of MCE, skipping Marina Stn Rd and ECP.
	N/A	2020	8 April	Temporarily suspended due to COVID-19 Circuit Breaker measures in Singapore until 4 May 2020.
			5 May	Temporary suspension of service due to COVID-19 Circuit Breaker measures in Singapore extended until 1 June 2020.
	Soon Lee Bus Pk ↺ Central Blvd (since Jun 2020)		2 June	Resumed normal operations.
(Current)		2024	15 September	Operations transferred to SMRT Buses.

Short Trip 502A (2000 - 2005)

Operator	Route	Year	Date	Service changes
	Sengkang → Grange Rd (2000 - 2003)	2000	TBC	Introduced from Sengkang Ter to Grange Rd (Opp Trader's Hotel), operating during the day daily.
		2001	28 April	Amended to Sengkang Temp Int.
		2003	18 January	Amended to Sengkang Integrated Transport Hub.
	Boon Lay → Temasek Ave (2003 - 2005)		27 July	Amended to start from Boon Lay Int and terminate at Temasek Ave (Opp The Ritz-Carlton) after the last bus of Service 502 daily under North East MRT Line Rationalisation Phase 2.
		2005	26 December	Extended to operate between Pioneer Rd Nth and Temasek Ave (Loop) and converted to peak hour route variant on weekdays.

Service 502A

Operator	Route	Year	Date	Service changes
	Pioneer Rd North ↺ Temasek Ave (2005 - 2009)	2005	27 December	Introduced between Pioneer Rd Nth (Opp Blk 653B) and Temasek Ave (Loop) as a peak hour variant of Service 502 on weekdays, skipping Jurong West Ave 1, Jurong East Ave 1, Toh Guan Rd and Boon Lay Way.
		2006	18 June	Serves new pair of bus stops outside Blk 683A and outside Blk 691A CP along Jurong West Ctrl 1.
			29 October	Serves relocated bus stop outside Orchard Stn along Orchard Turn.
		2008	15 June	Serves new pair of bus stops outside Blk 670A and outside Blk 678D along Jurong West St 64.
	Soon Lee Bus Pk ↺ Temasek Ave (2009 - 2010)	2009	23 February	Extended to Soon Lee Bus Pk.
	Soon Lee Bus Pk → Marina Stn Rd (2010 - 2012)	2010	26 April	Shortened to terminate at Marina Stn Rd (Marina Bay Stn) and revised to operate during weekday morning peak hours only.
	Soon Lee Bus Pk → Marina St (2012 - 2013)	2012	14 January	Serves reinstated bus stop outside Marina Bay Stn along Marina St.
			30 September	Designated wheelchair-accessible bus service (WAB).
	Soon Lee Bus Pk → Central Blvd (2013 - Apr 2020)	2013	29 December	Amended to terminate at Central Blvd (Downtown Stn) with the opening of MCE.
	N/A	2020	8 April	Temporarily suspended due to COVID-19 Circuit Breaker measures in Singapore until 4 May 2020.
			5 May	Temporary suspension of service due to COVID-19 Circuit Breaker measures in Singapore extended until 1 June 2020.
	Soon Lee Bus Pk → Central Blvd (since Jun 2020)		2 June	Resumed normal operations.
(Current)		2024	15 September	Operations transferred to SMRT Buses.

Service 502B (2005 - 2010)

Operator	Year	Date	Service changes
	2005	27 December	Introduced between Jurong West Ave 1 (Blk 538) and Temasek Ave (Loop) as a peak hour variant of Service 502 on weekdays.
	2006	29 October	Serves relocated bus stop outside Orchard Stn along Orchard Turn.
	2010	26 April	Discontinued.

Service 503 (1997 - 1999)

Operator	Year	Date	Service changes
	1997	5 May	Introduced between Tampines Int and Temasek Ave (Opp Centennial Twr) during morning peak hours and between Anson Rd (Apex Twr) and Tampines Int during evening peak hours as a peak hour one-directional service on weekdays and Saturdays.
	1999	30 August	Extended to start from Pasir Ris Int, extended to loop at Telok Blangah Rd, converted to full day service and re-numbered Service 505.

Service 505 (1999 - 2000)

Operator	Year	Date	Service changes
	1999	30 August	Re-numbered from Service 503 as a service between Pasir Ris Int and Telok Blangah Rd (Loop), operating daily.
	2000	10 September	Shortened to loop at Temasek Ave and re-numbered Service 518.

Service 506

Operator	Route	Year	Date	Service changes
	Jurong East ↔ Bedok (1999 - 2000)	1999	30 August	Introduced between Jurong East Int and Bedok Int, operating daily.
	Jurong East ↔ Changi Airport (2000 - 2002)	2000	10 September	Extended to Changi Airport.
				Serves additional pair of bus stops outside and opposite Trellis Twrs along Jln Toa Payoh.
				Last bus from Jurong East Int extended to 2210 hrs daily.
		2001	TBC	Serves new pair of bus stops opposite Blk 761 and opposite Baywater along Bedok Nth Ave 3.
(Current)		2002	TBC	Serves new pair of bus stops opposite and between Blks 731 and 734 along Bedok Reservoir Rd.
	Jurong East ↔ Bedok (2002 - 2006)		15 September	Shortened back to Bedok Int.
				Last bus from Jurong East Int extended to 2230 hrs daily.
		2006	TBC	Skips a pair of removed bus stops outside and opposite Bedok Green Sec Sch along Bedok Nth Ave 3.
	Jurong East ↔ Upp East Coast (2006 - Apr 2020)		12 November	Extended to Upp East Coast Ter.
				Last bus from Jurong East Int reverted to 2200 hrs daily.
		2010	13 February	Serves new pair of bus stops outside and opposite Blk 220 CP along Bedok Nth Ave 3.
		2011	17 December	Amended to Jurong East Temp Int.
		2012	30 September	Designated wheelchair-accessible bus service (WAB).
		2017	23 April	Serves relocated bus stop before PIE along Bt Batok Rd.
	N/A	2020	15 April	Temporarily suspended due to COVID-19 Circuit Breaker measures in Singapore until 4 May 2020.
			5 May	Temporary suspension of service due to COVID-19 Circuit Breaker measures in Singapore extended until 1 June 2020.
	Jurong East ↔ Upp East Coast (2020 - 2021)		2 June	Resumed normal operations.
			6 December	Amended to relocated Jurong East Temp Int.
	Jurong East ↔ Serangoon (since 2021)	2021	12 December	Shortened to Serangoon Int under Downtown MRT Line 3 Rationalisation.

Service 507 (1999 - 2004)

Operator	Year	Date	Service changes
	1999	30 August	Introduced between Boon Lay Int and Shenton Way (Opp Temasek Twr) during morning peak hours and between Anson Rd (Intl Plaza) and Boon Lay Int during evening peak hours as a peak hour one-directional service on weekdays and Saturdays.
	2004	22 August	Discontinued.

Service 508 (1999 - 2000)

Operator	Route	Year	Date	Service changes
	Sengkang → Penang Rd (AM) Anson Rd → Sengkang (PM) (Aug - Nov 1999)	1999	30 August	Introduced between Sengkang Ter and Penang Rd (Park Mall) during morning peak hours and between Anson Rd (Apex Twr) and Sengkang Ter during evening peak hours as a peak hour one-directional service on weekdays and Saturdays.
	Sengkang → Penang Rd (AM) Outram Rd → Sengkang (PM) (Nov 1999 - 2000)		22 November	Serves an additional bus stop outside Outram Pk Stn along Outram Rd and 2 additional bus stops opposite Maritime Hse and outside Southpoint along Cantonment Rd during morning peak hours.
				Extended to start from Outram Rd (Outram Pk Stn) during evening peak hours.
		2000	4 September	Shortened to Hougang Ctrl Temp Ter and re-numbered Service 511.

Service 511 (2000 - 2003)

Operator	Year	Date	Service changes
	2000	4 September	Re-numbered from Service 508 as a peak-hour one-directional service between Hougang Ctrl Temp Ter and Penang Rd (Park Mall) during morning peak hours and between Outram Rd (Outram Pk Stn) and Hougang Ctrl Temp Ter during evening peak hours on weekdays and Saturdays.
	2003	27 July	Discontinued under North East MRT Line Rationalisation Phase 2.

Service 512 (2000 - 2003)

Operator	Year	Date	Service changes
	2000	4 September	Introduced between Hougang Ctrl Temp Ter and Orchard Rd (Le Meridien Shop Ctr) during morning peak hours and between Moulmein Rd (Opp Tan Tock Seng Hosp) and Hougang Ctrl Temp Ter during evening peak hours as a peak hour one-directional service on weekdays and Saturdays.
	2002	7 July	Skips the bus stop outside Orchard Emerald along Orchard Rd.
	2003	27 July	Discontinued under North East MRT Line Rationalisation Phase 2.

Service 513

Operator	Route	Year	Date	Service changes
(Current)	Tampines Ave 5 → Shenton Way (AM) Anson Rd → Tampines Ave 5 (PM) (2012 - Apr 2020)	2012	17 December	Introduced between Tampines Ave 5 (Darul Ghufran Mque) and Shenton Way (Opp MAS Bldg) during morning peak hours and between Anson Rd (Hub Synergy Pt) and Tampines Ave 5 (Opp Darul Ghufran Mque) during evening peak hours, operating 2 trips in each direction as a peak hour one-directional service on weekdays under the LTA's Bus Service Enhancement Programme (BSEP).
		2013	31 March	Designated wheelchair-accessible bus service (WAB).
			1 December	Serves new bus stop outside Downtown Stn along Central Blvd.
			30 December	Amended to ply Sheares Ave towards Shenton Way with the partial closure of ECP.
		2015	12 January	3rd AM peak trip added at 0738 hrs.
	N/A	2020	8 April	Temporarily suspended due to COVID-19 Circuit Breaker measures in Singapore until 4 May 2020.
			5 May	Temporary suspension of service due to COVID-19 Circuit Breaker measures in Singapore extended until 1 June 2020.
	Tampines Ave 5 → Shenton Way (AM) Anson Rd → Tampines Ave 5 (PM) (since Jun 2020)		2 June	Resumed normal operations.

Service 518

Operator	Route	Year	Date	Service changes
	Pasir Ris ↺ Temasek Ave (2000 - 2010)	2000	10 September	Re-numbered from Service 505 as a service between Pasir Ris Int and Temasek Ave (Loop).
		2002	7 July	Skips the bus stop outside Orchard Emerald along Orchard Rd.
		2005	26 December	Amended to ply Pasir Ris Dr 3, Pasir Ris Dr 12 and Pasir Ris Dr 1, skipping Elias Rd.
	Pasir Ris ↺ Bayfront Ave (2010 - Apr 2020)	2010	26 April	Amended to ply Bayfront Ave, skipping Raffles Blvd and Republic Blvd.
		2012	29 April	Serves new bus stop outside Blk 612 along Pasir Ris Dr 1.
			3 December	Designated wheelchair-accessible bus service (WAB).
(Current)		2016	18 September	Operations transferred to Go-Ahead Singapore.
			23 September	Amended to ply KPE and PIE towards Pasir Ris Int, skipping Bedok Sth Ave 1, Bedok Sth Rd and Bedok Nth Ave 1.
		2017	21 October	Serves new pair of bus stops outside Tampines East Stn along Tampines Ave 2.
				Serves new bus stop outside Bedok Nth Stn along Bedok Nth Rd.
	N/A	2020	8 April	Temporarily suspended due to COVID-19 Circuit Breaker measures in Singapore until 4 May 2020.
			5 May	Temporary suspension of service due to COVID-19 Circuit Breaker measures in Singapore extended until 1 June 2020.
	Pasir Ris ↺ Bayfront Ave (Jun 2020 - Sep 2021)		2 June	Resumed normal operations.
	N/A	2021	15 September	Temporarily suspended due to the impact of COVID-19 on available manpower.
	Pasir Ris ↺ Bayfront Ave (since Sep 2021)		25 September	Resumed normal operations.
		2022	30 October	Temporarily amended to ply Pasir Ris St 11 and Pasir Ris St 12 with the partial closure of Pasir Ris Dr 1 to facilitate the construction of Pasir Ris East MRT station on the Cross Island MRT Line.
			27 November	Serves new pair of bus stops outside and opposite HomeTeamNS Bedok along Bedok Nth Rd.
		2023	8 January	Skips the bus stop outside Newton Stn Exit B along Scotts Rd temporarily to facilitate upgrading works.
			27 August	Serves reinstated bus stop outside Newton Stn Exit B along Scotts Rd.
			8 October	Temporarily amended to ply Pasir Ris Ctrl and Pasir Ris Dr 8 with the partial closure of Pasir Ris Dr 1 to facilitate the construction of Pasir Ris MRT station on the Cross Island MRT Line.

Short Trip 518A (2001 - 2005)

Operator	Year	Date	Service changes
	2001	TBC	Introduced from Pasir Ris Int to Temasek Ave (Opp Centennial Twr), operating during morning peak hours on weekdays.
	2002	7 July	Skips the bus stop outside Orchard Emerald along Orchard Rd.
	2005	26 December	Amended to loop at Temasek Ave and converted to peak hour route variant of Service 518 on weekdays.

Service 518A

Operator	Route	Year	Date	Service changes
	Pasir Ris ↺ Temasek Ave (2005 - 2010)	2005	27 December	Introduced between Pasir Ris Int and Temasek Ave (Loop) as a peak hour variant of Service 518 on weekdays, skipping Tampines Ave 7, Tampines Ave 2, Tampines Ave 1, Tampines Ave 10 and Bedok North Rd.
	Pasir Ris → Bayfront Ave (2010 - Apr 2020)	2010	26 April	Shortened to terminate at Bayfront Ave (Opp Marina Bay Sands MICE) and revised to operate during weekday morning peak hours only.
		2012	29 April	Serves new bus stop outside Blk 612 along Pasir Ris Dr 1.
			3 December	Designated wheelchair-accessible bus service (WAB).
(Current)		2016	18 September	Operations transferred to Go-Ahead Singapore.
	N/A	2020	8 April	Temporarily suspended due to COVID-19 Circuit Breaker measures in Singapore until 4 May 2020.
			5 May	Temporary suspension of service due to COVID-19 Circuit Breaker measures in Singapore extended until 1 June 2020.
	Pasir Ris → Bayfront Ave (Jun 2020 - Sep 2021)		2 June	Resumed normal operations.
	N/A	2021	15 September	Temporarily suspended due to the impact of COVID-19 on available manpower.
	Pasir Ris → Bayfront Ave (since Sep 2021)		25 September	Resumed normal operations.
		2022	30 October	Temporarily amended to ply Pasir Ris St 12 and Pasir Ris St 11 with the partial closure of Pasir Ris Dr 1 to facilitate the construction of Pasir Ris East MRT station on the Cross Island MRT Line.
		2023	8 January	Skips the bus stop outside Newton Stn Exit B along Scotts Rd temporarily to facilitate upgrading works.
			27 August	Serves reinstated bus stop outside Newton Stn Exit B along Scotts Rd.
			8 October	Temporarily amended to ply Pasir Ris Dr 8 and Pasir Ris Ctrl with the partial closure of Pasir Ris Dr 1 to facilitate the construction of Pasir Ris MRT station on the Cross Island MRT Line.

Service 518B (2005 - 2010)

Operator	Year	Date	Service changes
	2005	27 December	Introduced between Tampines Ave 7 (Blk 370) and Temasek Ave (Loop) as a peak hour variant of Service 518 on weekdays.
	2010	26 April	Discontinued.

Service 520 (1997 - 2003)

Operator	Year	Date	Service changes
	1997	5 May	Introduced between Yishun Int and Outram Rd (Opp Outram Pk Stn) during morning peak hours and between New Bridge Rd Ter and Yishun Int during evening peak hours as a peak hour one-directional service on weekdays and Saturdays.
		7 December	Amended to ply Upp Pickering St, Sth Bridge Rd, Neil Rd and Cantonment Rd with the partial closure of New Bridge Rd to facilitate the construction of Chinatown MRT station on the North East MRT Line.
	2002	20 April	Amended to ply the reinstated New Bridge Rd, skipping Upp Pickering St, Sth Bridge Rd, Neil Rd and Cantonment Rd.
		TBC	Serves bus stop outside Blk 923 along Yishun Ave 2, skipping the bus stop outside Northpoint Shop Ctr.
	2003	24 August	Discontinued.

Service 521 (1999 - 2002)

Operator	Year	Date	Service changes
	1999	1 September	Introduced between Bt Panjang Ter and World Trade Ctr Ter, operating daily.
		26 December	Amended to Bt Panjang Int.
	2000	TBC	Serves additional pair of bus stops outside and opposite ITE Dover along AYE.
	2002	29 September	Extended to Woodlands Reg Int, amended to ply Bt Batok East Ave 4, converted to trunk service and re-numbered Service 963.

Service 850E

Operator	Route	Year	Date	Service changes
	Yishun Ave 11 → Shenton Way (AM) Anson Rd → Yishun Ave 11 (PM) (2013 - 2015)	2013	18 February	Introduced between Yishun Ave 11 (Opp Blk 419) and Shenton Way (Opp MAS Bldg) during morning peak hours and between Anson Rd (Hub Synergy Pt) and Yishun Ave 11 (Blk 419) during evening peak hours, operating 2 trips in each direction as a peak hour one-directional service on weekdays under the LTA's Bus Service Enhancement Programme (BSEP).
			15 April	3rd AM peak trip added at 0715 hrs.
			15 July	4th AM peak trip added.
			14 October	5th AM peak trip added.
		2014	17 March	6th AM peak trip added.
		2015	25 May	Serves new bus stop opposite Blk 333C along Yishun St 31.
				Serves additional bus stop between Blks 333C and 333D along Yishun St 31.
			6 September	Serves new pair of bus stops outside and opposite Blk 672C along Yishun Ring Rd.
	Yishun St 41 → Shenton Way (AM) Anson Rd → Yishun Ring Rd (PM) (2015 - Apr 2020)		28 September	Amended to start from Yishun St 41 (Blk 432C) for morning peak trips, terminate at Yishun Ring Rd (Blk 456) for evening peak trips and amended to ply Yishun Ave 1 with the introduction of City Direct Service 663, skipping Yishun Ave 6 and Yishun St 31.
		2016	16 October	Serves new bus stop outside Blk 504C along Yishun Ring Rd.
		2017	17 September	Designated wheelchair-accessible bus service (WAB).
(Current)		2018	25 March	Operations transferred to SBS Transit.
			26 March	7th and 8th AM peak trips added.
	N/A	2020	8 April	Temporarily suspended due to COVID-19 Circuit Breaker measures in Singapore until 4 May 2020.
			5 May	Temporary suspension of service due to COVID-19 Circuit Breaker measures in Singapore extended until 1 June 2020.
	Yishun St 41 → Shenton Way (AM) Anson Rd → Yishun Ring Rd (PM) (since Jun 2020)		2 June	Resumed normal operations.

Service 851e

Operator	Route	Year	Date	Service changes
(Current)	Yishun ↔ Eu Tong Sen St (2018 - Apr 2020)	2018	27 May	Introduced between Yishun Temp Int and New Bridge Rd (Opp Pearl's Ctr) and between Eu Tong Sen St (Pearl's Ctr) and Yishun Temp Int, operating daily. Wheelchair-accessible at launch.
		2019	8 September	Amended to Yishun Integrated Transport Hub.
		2020	9 February	Revised to operate in the mornings and afternoons (towards New Bridge Rd) and afternoons and evenings (towards Yishun Int) daily.
	N/A		8 April	Temporarily suspended due to COVID-19 Circuit Breaker measures in Singapore until 4 May 2020.
			5 May	Temporary suspension of service due to COVID-19 Circuit Breaker measures in Singapore extended until 1 June 2020.
	Yishun ↔ Eu Tong Sen St (since Jun 2020)		2 June	Resumed normal operations.
		2022	16 January	First bus timing from Yishun Int revised to 0630 hrs on Saturdays, Sundays and Public Holidays.
				Last bus timing from Yishun Int revised to 1800 hrs on Weekdays.
				Last bus timing from Eu Tong Sen St revised to 2300 hrs daily.
		2023	9 April	First bus timing from Yishun Int revised to 0630 hrs on Weekdays, 0830 hrs on Saturdays, Sundays and Public Holidays.
				Last bus timing from Yishun Int revised to 1200 hrs on Weekdays, 1800 hrs on Saturdays, Sundays and Public Holidays.
				First bus timing from Eu Tong Sen St revised to 1530 hrs on Weekdays, 1430 hrs on Saturdays, Sundays and Public Holidays.
				Last bus timing from Eu Tong Sen St revised to 2200 hrs on Weekdays, 2230 hrs on Saturdays, Sundays and Public Holidays.

Service 854E/854e

Operator	Route	Year	Date	Service changes
	Yishun → Bedok (2007 - Apr 2020)	2007	9 April	Introduced from Yishun Int to Bedok Int as a peak hour one-directional service during weekday mornings, numbered Service 854E.
		2011	19 November	Amended to Bedok Temp Int.
		2014	30 November	Amended to Bedok Integrated Transport Hub.
		2015	14 March	Amended to Yishun Temp Int.
			11 October	Designated wheelchair-accessible bus service (WAB).
		2018	13 August	Renumbered as Service 854e.
		2019	8 September	Amended to Yishun Integrated Transport Hub.
	N/A	2020	15 April	Temporarily suspended due to COVID-19 Circuit Breaker measures in Singapore until 4 May 2020.
			5 May	Temporary suspension of service due to COVID-19 Circuit Breaker measures in Singapore extended until 1 June 2020.
	Yishun → Bedok (since Jun 2020)		2 June	Resumed normal operations.
(Current)		2021	5 September	Operations transferred to Tower Transit Singapore.
				First and last bus timings from Yishun Int revised to 0635 hrs and 0715 hrs respectively.

Service 868/868E

Operator	Route	Year	Date	Service changes
(Current)	Bt Batok West Ave 5 → Temasek Ave (2010 - Apr 2020)	2010	28 September	Introduced from Bt Batok West Ave 5 (Blk 347) to Temasek Ave (Opp Millenia Twr) as a peak hour one-directional service, operating 2 trips during weekday mornings, numbered Service 868.
		2017	17 September	Designated wheelchair-accessible bus service (WAB).
		2018	9 April	Serves 2 additional bus stops opposite HomeTeamNS and outside Blk 334 along Bt Batok West Ave 7.
			13 August	Renumbered as Service 868E.
	N/A	2020	8 April	Temporarily suspended due to COVID-19 Circuit Breaker measures in Singapore until 4 May 2020.
			5 May	Temporary suspension of service due to COVID-19 Circuit Breaker measures in Singapore extended until 1 June 2020.
	Bt Batok West Ave 5 → Temasek Ave (since Jun 2020)		2 June	Resumed normal operations.

Service 951E

Operator	Route	Year	Date	Service changes
(Current)	Woodlands St 82 → Shenton Way (AM) Anson Rd → Woodlands St 82 (PM) (2013 - Apr 2020)	2013	17 June	Introduced between Woodlands St 82 (Blk 875) and Shenton Way (Opp MAS Bldg) during morning peak hours and between Anson Rd (Hub Synergy Pt) and Woodlands St 82 (Blk 816) during evening peak hours, operating 2 trips in each direction as a peak hour one-directional service on weekdays under the LTA's Bus Service Enhancement Programme (BSEP).
			12 August	3rd AM peak trip added.
			14 October	4th AM peak trip added.
		2014	13 January	5th AM peak trip added.
			14 April	6th AM peak trip added.
		2015	12 October	Amended to ply Woodlands Ave 5 with the introduction of City Direct Service 665, skipping Woodlands Ave 1.
		2017	17 September	Designated wheelchair-accessible bus service (WAB).
	N/A	2020	8 April	Temporarily suspended due to COVID-19 Circuit Breaker measures in Singapore until 4 May 2020.
			5 May	Temporary suspension of service due to COVID-19 Circuit Breaker measures in Singapore extended until 1 June 2020.
	Woodlands St 82 → Shenton Way (AM) Anson Rd → Woodlands St 82 (PM) (since Jun 2020)		2 June	Resumed normal operations.
		2023	29 May	1 AM peak trip removed.

Service 960e

Operator	Route	Year	Date	Service changes
(Current)	Woodlands Temp Int ↔ Marina Ctr (2018 - Apr 2020)	2018	28 October	Introduced between Woodlands Temp Int and Marina Ctr Ter, operating daily. Wheelchair-accessible at launch.
		2019	24 February	Serves reinstated bus stop before Winstedt Rd along Bt Timah Rd with the reversion in the relocation of the bus stop outside Newton FC.
		2020	9 February	Revised to operate in the mornings and afternoons (towards Marina Ctr Ter) and afternoons and evenings (towards Woodlands Temp Int) daily.
	N/A		15 April	Temporarily suspended due to COVID-19 Circuit Breaker measures in Singapore until 4 May 2020.
			5 May	Temporary suspension of service due to COVID-19 Circuit Breaker measures in Singapore extended until 1 June 2020.
	Woodlands Temp Int ↔ Marina Ctr (Jun 2020 - 2021)		2 June	Resumed normal operations.
		2021	24 February	Amended to the relocated Marina Ctr Ter.
	Woodlands ↔ Marina Ctr (since 2021)		13 June	Amended to Woodlands Integrated Transport Hub.
		2022	16 January	First bus timing from Woodlands Int revised to 0630 hrs on Saturdays, Sundays and Public Holidays.
				Last bus timing from Woodlands Int revised to 1800 hrs on Weekdays.
				Last bus timing from Marina Ctr Ter revised to 2300 hrs daily.
		2023	9 April	First bus timing from Woodlands Int revised to 0800 hrs on Saturdays, Sundays and Public Holidays.
				Last bus timing from Woodlands Int revised to 1200 hrs on Weekdays.
				First bus timing from Marina Ctr Ter revised to 1400 hrs daily.
				Last bus timing from Marina Ctr Ter revised to 2230 hrs on Weekdays.

Service 963E/963e

Operator	Route	Year	Date	Service changes
	Woodlands → HarbourFront (AM) (2006 - 2009)	2006	20 February	Introduced from Woodlands Reg Int to HarbourFront Int as a peak hour one-directional service during weekday mornings, numbered Service 963E.
	Woodlands → HarbourFront (AM) HarbourFront → Woodlands (PM) (2009 - 2016)	2009	11 May	Extended to operate between HarbourFront Int and Woodlands Reg Int during weekday evenings.
		2015	14 June	Designated wheelchair-accessible bus service (WAB).
	Woodlands Temp Int → HarbourFront (AM) HarbourFront → Woodlands Temp Int (PM) (2016 - Apr 2020)	2016	12 March	Amended to Woodlands Temp Int.
		2017	4 September	Serves the pair of bus stops outside and opposite Blk 180 along Jelebu Rd, skipping the pair of bus stops outside and opposite Bt Panjang Plaza.
		2018	13 August	Renumbered as Service 963e.
	N/A	2020	15 April	Temporarily suspended due to COVID-19 Circuit Breaker measures in Singapore until 4 May 2020.
			5 May	Temporary suspension of service due to COVID-19 Circuit Breaker measures in Singapore extended until 1 June 2020.
	Woodlands Temp Int → HarbourFront (AM) HarbourFront → Woodlands Temp Int (PM) (Jun 2020 - 2021)		2 June	Resumed normal operations.
	Woodlands → HarbourFront (AM) HarbourFront → Woodlands (PM) (since 2021)	2021	13 June	Amended to Woodlands Integrated Transport Hub.
(Current)			19 September	Operations transferred to Tower Transit Singapore.

Service 963R (2010 - 2022)

Operator	Route	Year	Date	Service changes
	Woodlands ↔ Resorts World Sentosa (2010 - 2016)	2010	30 January	Introduced between Woodlands Reg Int and Resorts World Sentosa, operating on Saturdays, Sundays and Public Holidays only.
		2015	14 June	Designated wheelchair-accessible bus service (WAB).
	Woodlands Temp Int ↔ Resorts World Sentosa (2016 - 2020)	2016	12 March	Amended to Woodlands Temp Int.
		2017	4 September	Serves the pair of bus stops outside and opposite Blk 180 along Jelebu Rd, skipping the pair of bus stops outside and opposite Bt Panjang Plaza.
	N/A	2020	15 April	Temporarily suspended due to COVID-19 Circuit Breaker measures in Singapore until 4 May 2020.
			5 May	Temporary suspension of service due to COVID-19 Circuit Breaker measures in Singapore extended until 1 June 2020.
			2 June	Temporary suspension of service due to COVID-19 Circuit Breaker measures in Singapore extended until further notice.
		2021	13 June	Amended to Woodlands Integrated Transport Hub.
			19 September	Operations transferred to Tower Transit Singapore.
		2022	30 June	Discontinued.

Service 971E (2011 - 2020)

Operator	Route	Year	Date	Service changes
	Bukit Panjang → Cecil St (AM) (Mar - Aug 2011)	2011	14 March	Introduced from Bt Panjang Int to Cecil St (Prudential Twr) as a peak hour one-directional service, operating 2 trips during weekday mornings.
			28 March	3rd AM peak trip added at 0715 hrs.
	Bukit Panjang → Cecil St (AM) Anson Rd → Bukit Panjang (PM) (Aug 2011 - 2012)		29 August	Extended to operate 2 trips between Anson Rd (Intl Plaza) and Bt Panjang Int during weekday evenings.
			31 October	4th AM peak trip added at 0745 hrs.
		2012	16 July	5th AM peak trip added.
			TBC	6th AM peak trip added.
	Bt Panjang Temp Bus Pk → Cecil St (AM) Anson Rd → Bt Panjang Temp Bus Pk (2012 - Apr 2020)		16 December	Amended to start from and terminate at Jelebu Rd with the closure of Bt Panjang Int.
		2013	15 April	7th AM peak trip added. 3rd PM peak trip added at 1805 hrs.
		2015	16 August	Serves 2 new bus stops between Blks 443A and 443B and outside Blk 442D along Fajar Rd.
			6 September	Serves new pair of bus stops outside Blk 548B and outside Blk 547C along Segar Rd.
		2017	4 September	Skips a pair of bus stops outside and opposite Blk 180 along Jelebu Rd.
			17 September	Designated wheelchair-accessible bus service (WAB).
	N/A	2020	8 April	Temporarily suspended due to COVID-19 Circuit Breaker measures in Singapore until 4 May 2020.
			5 May	Temporary suspension of service due to COVID-19 Circuit Breaker measures in Singapore extended until 1 June 2020.
	Bt Panjang Temp Bus Pk → Cecil St (AM) Anson Rd → Bt Panjang Temp Bus Pk (PM) (Jun - Aug 2020)		2 June	Resumed normal operations.
			31 August	Converted to regular trunk service, re-numbered Service 971, amended to ply Pending Rd, Petir Rd and Dairy Farm Rd and serves all bus stops along Stevens Rd and Bras Basah Rd.

Service 982E

Operator	Route	Year	Date	Service changes
(Current)	Choa Chu Kang Ave 5 → Marina Blvd (AM) Central Blvd → Choa Chu Kang Ave 5 (PM) (2013 - Apr 2020)	2013	18 March	Introduced between Choa Chu Kang Ave 5 (Blk 483) and Marina Blvd (Marina Bay Financial Ctr) during morning peak hours and between Central Blvd (Aft Marina Stn Rd) and Choa Chu Kang Ave 5 (Opp Blk 486) during evening peak hours, operating 2 trips in each direction as a peak hour one-directional service on weekdays under the LTA's Bus Service Enhancement Programme (BSEP).
			1 December	Serves new bus stop outside Downtown Stn along Central Blvd.
		2014	17 February	Serves 3 additional pairs of bus stops outside and opposite Blk 26 along Choa Chu Kang Rd, outside and opposite Bt Batok Fire Stn and before and after Bt Batok West Ave 5 along Bt Batok Rd.
		2015	27 April	Serves new pair of bus stops outside and opposite Blk 489A along Choa Chu Kang Ave 5.
		2017	17 September	Designated wheelchair-accessible bus service (WAB).
	N/A	2020	8 April	Temporarily suspended due to COVID-19 Circuit Breaker measures in Singapore until 4 May 2020.
			5 May	Temporary suspension of service due to COVID-19 Circuit Breaker measures in Singapore extended until 1 June 2020.
	Choa Chu Kang Ave 5 → Marina Blvd (AM) Central Blvd → Choa Chu Kang Ave 5 (PM) (since Jun 2020)		2 June	Resumed normal operations.