History of Express Services

Service 97e

Operator	Year	Date	Service changes
Template:SBS Transit	2005	3 January	Introduced as a Fast Forward service between Jurong East Int and Fullerton Rd (AM Peak) and between Collyer Quay and Jurong East Int (PM Peak) as a peak hour one-directional Fast Forward service on weekdays.
	2009	23 February	Extended to terminate at Raffles Ave for morning peak trips and start from Temasek Blvd for evening peak trips.
	2010	26 April	Amended to Marina Ctr Ter.
	2011	17 December	Amended to Jurong East Temp Int.
Template:Tower Transit Singapore (Current)	2016	12 June	Operated by Tower Transit Singapore as an Express service.

Service 188E

Operator	Year	Date	Service changes
Template:SMRT Buses (Current)	2007	25 June	Introduced between Choa Chu Kang Int and HarbourFront Int as a peak hour one-directional service during weekday mornings.

Service 188R

Operator	Year	Date	Service changes
Template:SMRT Buses (Current)	2010	1 May	Introduced between Choa Chu Kang Int and Resorts World Sentosa, operating on Saturdays, Sundays and Public Holidays only.

Service 501

Operator	Year	Date	Service changes
Singapore Bus Service	1997	5 May	Introduced between Hougang Central Int and Penang Rd (AM Peak) and between Anson Rd and Hougang Central Int (PM Peak) as a peak hour one-directional service on weekdays and Saturdays.
		22 December	Amended to loop at Penang Rd and enhanced to operate an alternate route between Hougang Central Int and Temasek Ave (loop) during evening off peak hours on weekdays and Saturdays and throughout the day on Sundays and Public Holidays.
	1998	24 May	Amended to Hougang Central Temp Ter.
	2000	3 September	Extended to Sengkang Ter.
	2001	28 April	Amended to Sengkang Temp Int.
Template:SBS Transit		1 November	Operated by SBS Transit.
	2003	18 January	Amended to Sengkang Integrated Transport Hub.
		28 July	Withdrawn under North East MRT Line Rationalisation Phase 2.

Service 502

Operator	Year	Date	Service changes
Singapore Bus Service	1997	5 May	Introduced between Hougang Central Int and Boon Lay Int.
	1998	24 May	Amended to Hougang Central Temp Ter.
	2000	3 September	Extended to Sengkang Ter.
	2001	28 April	Amended to Sengkang Temp Int.
Template:SBS Transit (Current)		1 November	Operated by SBS Transit.
	2003	18 January	Amended to Sengkang Integrated Transport Hub.
		27 July	Shortened to loop at Temasek Ave from Boon Lay Int under North East MRT Line Rationalisation Phase 2.
	2005	2 July	Amended to ply Grange Rd with the partial closure of Somerset Rd.
		26 December	Extended to Pioneer Rd North and amended to ply Toh Guan Rd, express sectors along Commonwealth Ave West, Clementi Ave 2 and Tanglin Rd and ply Orchard Turn, Scotts Rd, express sectors along Stevens Rd, Whitley Rd, Pan-Island Expressway (PIE) and Toh Tuck Ave towards Pioneer Rd North.
	2009	23 February	Extended to Soon Lee Bus Park.
	2010	26 April	Amended to ply Bayfront Ave, Marina Station Rd, express sectors along East Coast Parkway (ECP), Ayer Rajah Expressway (AYE), Clementi Ave 6 and Commonwealth Ave West, skipping Raffles Ave, Stamford Rd, Orchard Rd, Penang Rd, Somerset Rd, Orchard Turn, Scotts Rd, express sectors along Stevens Rd, Whitley Rd, PIE and Toh Tuck Ave.
	2013	29 December	Amended to ply Central Blvd, Shenton Way and express sectors along Keppel Rd with the opening of the Marina Coastal Expressway (MCE), skipping Marina Station Rd and express sectors along ECP.

Service 502A

Operator	Year	Date	Service changes
Template:SBS Transit (Current)	2005	27 December	Introduced between Pioneer Rd North 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.
	2009	23 February	Extended to Soon Lee Bus Park.
	2010	26 April	Shortened to terminate at Marina Station Rd and revised to operate during weekday morning peak hours only.
	2013	29 December	Amended to terminate at Central Blvd with the opening of the Marina Coastal Expressway (MCE).

Service 502B

Operator	Year	Date	Service changes
Template:SBS Transit	2005	27 December	Introduced between Jurong West Ave 1 and Temasek Ave (loop) as a peak hour variant of Service 502 on weekdays.
	2010	26 April	Withdrawn.

Service 503

Operator	Year	Date	Service changes
Singapore Bus Service	1997	5 May	Introduced between Tampines Int and Temasek Ave (AM Peak) and between Anson Rd and Tampines Int (PM Peak) as a peak hour one-directional service on weekdays and Saturdays.
	1999	TBC	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

Operator	Year	Date	Service changes
Singapore Bus Service	1999	TBC	Re-numbered from Service 503 as a service between Pasir Ris Int and Telok Blangah Rd (loop).
	2000	3 September	Shortened to loop at Temasek Ave and re-numbered Service 518.

Service 506

Operator	Year	Date	Service changes
Singapore Bus Service	1998	TBC	Introduced between Jurong East Int and Bedok Int.
	2000	3 September	Extended to Changi Airport.
Template:SBS Transit (Current)	2001	1 November	Operated by SBS Transit.
	2002	15 September	Shortened back to Bedok Int.
	2006	12 November	Extended to Upp East Coast Ter.
	2011	17 December	Amended to Jurong East Temp Int.

Service 507

Operator	Year	Date	Service changes
Singapore Bus Service	1998	TBC	Introduced between Boon Lay Int and Shenton Way (AM Peak) and between Anson Rd and Boon Lay Int (PM Peak) as a peak hour one-directional service on weekdays and Saturdays.
Template:SBS Transit	2001	1 November	Operated by SBS Transit.
	2004	22 August	Withdrawn.

Service 508

Operator	Year	Date	Service changes
Singapore Bus Service	1999	28 August	Introduced between Sengkang Ter and Penang Rd (AM Peak) and between Outram Rd and Sengkang Ter (PM Peak) as a peak hour one-directional service on weekdays and Saturdays.
	2000	4 September	Shortened to Hougang Central Temp Ter and re-numbered Service 511.

Service 511

Operator	Year	Date	Service changes
Singapore Bus Service	2000	4 September	Re-numbered from Service 508 as a peak-hour one-directional service between Hougang Central Temp Ter and Penang Rd (AM Peak) and between Outram Rd and Hougang Central Temp Ter (PM Peak).
	2001	20 May	Amended to Hougang Central Int.
Template:SBS Transit		1 November	Operated by SBS Transit.
	2003	27 July	Withdrawn under North East MRT Line Rationalisation Phase 2.

Service 512

Operator	Year	Date	Service changes
Singapore Bus Service	2000	4 September	Introduced between Hougang Central Temp Ter and Orchard Rd (AM Peak) and between Moulmein Rd and Hougang Central Temp Ter (PM Peak).
	2001	20 May	Amended to Hougang Central Int.
Template:SBS Transit		1 November	Operated by SBS Transit.
	2003	27 July	Withdrawn under North East MRT Line Rationalisation Phase 2.

Service 513

Operator	Year	Date	Service changes
Template:SBS Transit (Current)	2012	17 December	Introduced between Tampines Ave 5 and Shenton Way (AM Peak) and between Anson Rd and Tampines Ave 5 (PM Peak) as a peak hour one-directional service on weekdays under the LTA's Bus Service Enhancement Programme (BSEP).
	2013	30 December	Amended to ply express sectors along Sheares Ave for morning peak trips with the partial closure of East Coast Parkway (ECP).

Service 518

Operator	Year	Date	Service changes
Singapore Bus Service	2000	3 September	Re-numbered from Service 505 as a service between Pasir Ris Int and Temasek Ave (loop).
Template:SBS Transit	2001	1 November	Operated by SBS Transit.
	2005	26 December	Amended to ply Pasir Ris Dr 12, skipping Elias Rd.
	2010	26 April	Amended to ply Bayfront Ave, skipping express sectors along Raffles Blvd and Republic Blvd.
Template:Go-Ahead Singapore (Current)	2016	18 September	Operated by Go-Ahead Singapore.

Service 518A

Operator	Year	Date	Service changes
Template:SBS Transit	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 and Bedok North Rd.
	2010	26 April	Shortened to terminate at Bayfront Ave and revised to operate during weekday morning peak hours only.
Template:Go-Ahead Singapore (Current)	2016	18 September	Operated by Go-Ahead Singapore.

Service 518B

Operator	Year	Date	Service changes
Template:SBS Transit	2005	27 December	Introduced between Tampines Ave 7 and Temasek Ave (loop) as a peak hour variant of Service 518 on weekdays.
	2010	26 April	Withdrawn.

Service 520

Operator	Year	Date	Service changes
Trans-Island Bus Service	1997	5 May	Introduced between Yishun Int and Outram Rd (AM Peak) and between New Bridge Rd Ter and Yishun Int (PM Peak) as a peak hour one-directional service on weekdays and Saturdays.
		7 December	Amended to ply South Bridge Rd and Neil 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 South Bridge Rd and Neil Rd.
	2003	24 August	Withdrawn.

Service 521

Operator	Year	Date	Service changes
Trans-Island Bus Service	1999	1 September	Introduced between Bt Panjang Ter and World Trade Ctr Ter.
		26 December	Amended to Bt Panjang Int.
	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	Year	Date	Service changes
Template:SMRT Buses (Current)	2013	18 February	Introduced between Yishun Ave 11 and Shenton Way (AM Peak) and between Anson Rd and Yishun Ave 11 (PM Peak) as a peak hour one-directional service on weekdays under the LTA's Bus Service Enhancement Programme (BSEP).
	2015	28 September	Amended to start from Yishun St 41 for morning peak trips, terminate at Yishun Ring Rd for evening peak trips and amended to ply Yishun Ave 1 with the introduction of City Direct 663, skipping Yishun Ave 6 and Yishun St 31.

Service 854E

Operator	Year	Date	Service changes
Template:SMRT Buses (Current)	2007	9 April	Introduced between Yishun Int and Bedok Int as a peak hour one-directional service during weekday mornings.
	2011	19 November	Amended to terminate at Bedok Temp Int.
	2014	30 November	Amended to terminate at Bedok Integrated Transport Hub.
	2015	14 March	Amended to start from Yishun Temp Int.

Service 868

Operator	Year	Date	Service changes
Template:SMRT Buses (Current)	2010	28 September	Introduced between Bt Batok West Ave 5 and Temasek Ave as a peak hour one-directional service during weekday mornings.

Service 951E

Operator	Year	Date	Service changes
Template:SMRT Buses (Current)	2013	17 June	Introduced between Woodlands St 82 and Shenton Way (AM Peak) and between Anson Rd and Woodlands St 82 (PM Peak) as a peak hour one-directional service on weekdays under the LTA's Bus Service Enhancement Programme (BSEP).
	2015	12 October	Amended to ply Woodlands Ave 5 with the introduction of City Direct 665, skipping Woodlands Ave 1.

Service 963E

Operator	Year	Date	Service changes
Template:SMRT Buses (Current)	2006	20 February	Introduced between Woodlands Reg Int and HarbourFront Int as a peak hour one-directional service during weekday mornings.
	2009	11 May	Enhanced to operate between HarbourFront Int and Woodlands Reg Int during weekday evenings.
	2016	12 March	Amended to Woodlands Temp Int.

Service 963R

Operator	Year	Date	Service changes
Template:SMRT Buses (Current)	2010	30 January	Introduced between Woodlands Reg Int and Resorts World Sentosa, operating on Saturdays, Sundays and Public Holidays only.
	2016	12 March	Amended to Woodlands Temp Int.

Service 971E

Operator	Year	Date	Service changes
Template:SMRT Buses (Current)	2011	14 March	Introduced between Bt Panjang Int and Cecil St as a peak hour one-directional service during weekday mornings.
		29 August	Enhanced to operate between Anson Rd and Bt Panjang Int during weekday evenings.
	2012	16 December	Amended to start from and terminate at Jelebu Rd with the closure of Bt Panjang Int.

Service 982E

Operator	Year	Date	Service changes
Template:SMRT Buses (Current)	2013	18 March	Introduced between Choa Chu Kang Ave 5 and Marina Blvd (AM Peak) and between Central Blvd and Choa Chu Kang Ave 5 (PM Peak) as a peak hour one-directional service on weekdays under the LTA's Bus Service Enhancement Programme (BSEP).