History of Services 111 - 120

Service 111

Operator	Year	Date	Service changes
Singapore Traction Company	1971	11 April	Introduced between Upp Serangoon Rd 10.5 km Ter and Commonwealth Ave Ter under 1971 Bus Reorganisation.
Associated Bus Service		6 December	Operations transferred to Associated Bus Service (ABS).
	1972	18 June	Amended to ply Bendemeer Rd towards Commonwealth Ave Ter with the conversion of Serangoon Rd to one-way traffic.
	1974	24 February	Amended to ply Grange Rd and Orchard Blvd with the conversion of Orchard Rd to one-way traffic, skipping Orchard Rd and Tanglin Rd.
		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.
	1982	TBC	Amended to Buona Vista Ter.
	1983	30 October	Amended to Hougang Int.
	1989	5 November	Extended to Ghim Moh Ter.
	1992	TBC	Amended to ply Orchard Link, skipping Grange Rd.
	1994	17 December	Extended to Hougang Central Int.
	1998	24 May	Amended to temporary site of Hougang Central Int.
	1999	TBC	Serves new pair of bus stops outside and opposite British High Commission along Tanglin Rd.
	2001	20 May	Amended back to original site of Hougang Central Int.
Template:SBS Transit (Current)	2002	7 July	Skips the bus stop opposite Mandarin Singapore along Orchard Rd.
		TBC	Serves new pair of bus stops after Sommerville Rd and after Sunshine Lodge along Upp Serangoon Rd.
	2003	20 June	Serves new pair of bus stops outside Potong Pasir Stn along Upp Serangoon Rd.
		27 July	Shortened to loop at Temasek Ave from Ghim Moh Ter under North East MRT Line Rationalisation Phase 2.
	2005	2 July	Amended to ply Grange Rd with the partial closure of Somerset Rd.
	2012	3 December	Designated wheelchair-accessible bus service (WAB).
	2014	27 April	Serves new bus stop outside Queens Condo along Commonwealth Ave.

Service 112

Operator	Service Gen	Year	Date	Service changes
Singapore Traction Company	1st Gen (1971 - 1985)	1971	11 April	Introduced between Upp Serangoon Rd 10.5 km Ter and Commonwealth Ave Ter under 1971 Bus Reorganisation.
United Bus Company			6 December	Operations transferred to United Bus Company (UBC).
		1972	18 June	Amended to ply Bendemeer Rd towards Commonwealth Ave Ter with the conversion of Serangoon Rd to one-way traffic.
		1973	11 March	Amended to ply Zion Rd and Hoot Kiam Rd towards Commonwealth Ave Ter with the partial conversion of Kim Seng Rd and Irwell Bank Rd to one-way traffic.
		1974	1 October	Serves merged bus stop outside Sri Srinivasa Perumal Tp along Serangoon Rd.
		1975	2 February	Amended to ply Tiong Bahru Rd and the extended Zion Rd towards Commonwealth Ave Ter with the partial conversion of Kim Seng Rd and Outram Rd to one-way traffic.
		1979	11 February	Amended to ply the extended Shenton Way towards Commonwealth Ave Ter, skipping Parsi Rd and Anson Rd.
		1980	20 January	Amended to ply Spottiswoode Park Rd with the partial conversion of Cantonment Rd to one-way traffic.
		1981	11 January	Shortened to loop at Empress Pl from Commonwealth Ave Ter and amended to ply Cecil St and Shenton Way.
		1982	TBC	Amended to Buona Vista Ter.
		1984	10 June	Converted to peak hour service on weekdays and Saturdays.
		1985	24 November	Withdrawn.
Template:SBS Transit (Current)	2nd Gen (Since 2004)	2004	15 February	Re-introduced between Hougang Central Int and Hougang St 92 (Loop) with the integration of Services 322 and 327.
		2013	9 June	Designated wheelchair-accessible bus service (WAB).

Service 112A

Operator	Year	Date	Service changes
Template:SBS Transit (Current)	2004	15 February	Introduced as a short-trip service from Hougang Central Int to Upp Serangoon Rd (Kovan Stn), operating after the last bus of Service 112 daily.
	2013	9 June	Designated wheelchair-accessible bus service (WAB).

Service 113

Operator	Year	Date	Service changes
Template:SBS Transit (Current)	2004	15 February	Introduced between Hougang Central Int and Upp Paya Lebar Rd (Loop) with the integration of Services 321 and 326.
	2010	28 February	Designated wheelchair-accessible bus service (WAB).

Service 113A

Operator	Year	Date	Service changes
Template:SBS Transit (Current)	2005	27 June	Introduced as a short-trip service from Upp Paya Lebar Rd (Blk 161) to Upp Serangoon Rd (Kovan Stn) during morning peak hours and between Upp Serangoon Rd (Kovan Stn) and Upp Paya Lebar Rd (Loop) during evening peak hours on weekdays.
	2010	28 February	Designated wheelchair-accessible bus service (WAB).
	2018	13 August	Morning peak route extended to start from Upp Serangoon Rd (Kovan Stn Exit C).

Service 115

Operator	Year	Date	Service changes
Template:SBS Transit (Current)	2004	30 October	Introduced between Hougang St 21 and Hougang Ave 3 (Loop).
	2014	3 December	Designated wheelchair-accessible bus service (WAB).

Service 116

Operator	Service Gen	Year	Date	Service changes
Template:SBS Transit (Current)	1st Gen (2006)	2006	3 April	Introduced between Hougang Central Int and Buangkok View (Buangkok Green Medical Park) (Loop) for a trial period of 3 months.
			15 August	Withdrawn.
	2nd Gen (Since 2012)	2012	18 November	Re-introduced between Hougang Central Int and Serangoon Central (Loop) under the LTA's Bus Service Enhancement Programme (BSEP).
		2013	31 March	Designated wheelchair-accessible bus service (WAB).

Service 116A

Operator	Year	Date	Service changes
Template:SBS Transit (Current)	2019	15 April	Introduced as a short-trip service from Serangoon North Ave 4 (Blk 504A CP) to Serangoon Central (S'goon Stn Exit C/Blk 201) during morning peak hours on weekdays. Wheelchair-accessible at launch.

Service 117

Operator	Year	Date	Service changes
Template:SBS Transit (Current)	2015	20 December	Introduced between Punggol Temp Int and Sembawang Int under the LTA's Bus Service Enhancement Programme (BSEP). Wheelchair-accessible at launch.
	2016	24 April	Amended to ply West Camp Rd.
	2017	26 November	Serves additional bus stop outside Punggol Stn/Int along Punggol Central.
	2018	27 May	Serves new pair of bus stops outside and opposite The Visionaire along Canberra Link.
		25 November	Serves 3 new bus stops before and opposite Blk 469B and opposite Yishun St 43 along Yishun Ave 1.
	2019	2 November	Serves new pair of bus stops outside and opposite Canberra Stn along Canberra Link.
	2020	12 January	Serves a new bus stop outside Blk 469B along Yishun Ave 1.

Service 117A

Operator	Year	Date	Service changes
Template:SBS Transit (Current)	2019	14 January	Introduced as a short-trip service from Yishun Ave 1 (Opp Blk 430B) to Yishun Ave 2 (Bef Khatib Stn) during morning peak hours on weekdays. Wheelchair-accessible at launch.

Service 117B

Operator	Year	Date	Service changes
Template:SBS Transit (Current)	2019	11 March	Introduced as a short-trip service from Sembawang Int to Yishun Ave 2 (Opp Yishun Stn) during morning peak hours on weekdays. Wheelchair-accessible at launch.
		2 November	Serves a new bus stop opposite Canberra Stn along Canberra Link.

Service 118

Operator	Service Gen	Year	Date	Service changes
	1st Gen (1988 – 1990)	1988	24 January	Introduced between Hougang Int and Tomlinson Rd (Loop).
		1990	16 December	Integrated with Service 111 and withdrawn.
Template:SBS Transit	2nd Gen (Since 2015)	2015	20 December	Re-introduced between Punggol Temp Int and Changi Business Park Ter under the LTA's Bus Service Enhancement Programme (BSEP). Wheelchair-accessible at launch.
Template:Go-Ahead Singapore (Current)		2016	4 September	Operations transferred to Go-Ahead Singapore.
			23 October	Serves new pair of bus stops outside UWCSEA and outside Blk 871C along Tampines Ave 5.
		2017	21 October	Amended to ply Changi South Ave 1 and Changi Business Park Ave 1, skipping Changi South Ave 2.
			26 November	Serves additional bus stop outside Punggol Stn/Int along Punggol Central.

Service 118A

Operator	Year	Date	Service changes
Template:Go-Ahead Singapore (Current)	2017	10 April	Introduced as a short-trip service from TPE (Aft Punggol Rd) to Simei Ave (ITE Coll East Adm Blk) during morning peak hours on weekdays. Wheelchair-accessible at launch.

Service 118B

Operator	Year	Date	Service changes
Template:Go-Ahead Singapore (Current)	2017	10 April	Introduced as a short-trip service from Simei Ave (Opp ITE Coll East Adm Blk) to TPE (Bef Punggol Rd) during evening peak hours on weekdays. Wheelchair-accessible at launch.

Service 119

Operator	Year	Date	Service changes
Template:SBS Transit	2003	14 September	Introduced between Sengkang Integrated Transport Hub and Hougang St 21 (Loop).
	2004	15 February	Serves 2 new bus stops outside Hougang St 21 FC and between Blks 210/211 along Hougang St 21.
	2012	21 October	Extended to Punggol Temp Int under the LTA's Bus Service Enhancement Programme (BSEP).
	2013	31 March	Designated wheelchair-accessible bus service (WAB).
	2015	30 August	Serves new pair of bus stops outside Twin Waterfalls and after TPE along Punggol Way.
Template:Go-Ahead Singapore (Current)	2016	4 September	Operations transferred to Go-Ahead Singapore.
		13 November	Serves new pair of bus stops opposite Blk 293D and outside Blk 286B along Sengkang East Rd.

Service 120

Operator	Service Gen	Year	Date	Service changes
Singapore Traction Company	1st Gen (1971)	1971	11 April	Introduced between Jln Aman Ter and Prince Edward Ter under 1971 Bus Reorganisation.
			9 May	Integrated with Service 120A, amended to ply Stamford Rd, Waterloo St and Bras Basah Rd and re-numbered Service 120/120A.
	2nd Gen (1974 - 1989)	1974	3 February	Re-numbered from Service 120/120A as a service between Jln Aman Ter and Prince Edward Ter under 1974 Bus Rationalisation.
			8 December	Amended to ply Cecil St, skipping Robinson Rd.
		1976	14 March	Serves new staggered bus stop outside The Cenotaph along Connaught Dr, skipping the bus stop opposite Singapore Cricket Club.
		1981	23 August	Shortened to loop at Beach Rd.
		1983	2 January	Amended to ply Whampoa Dr, skipping Moulmein Green and Jln Kebun Limau.
		1985	26 May	Amended to Whampoa Rd Ter.
		1989	TBC	Withdrawn.
Template:SBS Transit (Current)	3rd Gen (Since 2013)	2013	21 April	Re-introduced between New Bridge Rd Ter and Telok Blangah Heights (Loop) under the LTA's Bus Service Enhancement Programme (BSEP).
			9 June	Designated wheelchair-accessible bus service (WAB).
		2017	26 November	Skips abolished bus stop before Hospital Dr along Kg Bahru Rd.
			10 December	Serves new bus stop opposite Blk 91A along Telok Blangah St 31.
		2018	10 March	Shortened to Kg Bahru Ter with the closure of New Bridge Rd Ter.

Service 120/120A

Operator	Year	Date	Service changes
Singapore Traction Company	1971	9 May	Re-numbered from Service 120 between Jln Aman Ter and Prince Edward Rd Ter.
Associated Bus Service		6 December	Operations transferred to Associated Bus Service (ABS).
	1974	3 February	Amended to skip Stamford Rd, Waterloo St and Bras Basah Rd and re-numbered Service 120 under 1974 Bus Rationalisation.

Service 120A

Operator	Year	Date	Service changes
Singapore Traction Company	1971	11 April	Introduced between Jln Aman Ter and Stamford Rd (Loop).
		9 May	Integrated with Service 120 and withdrawn.