History of Services 90 - 99

Service 90

1^st Generation (1971 - 1989)

Operator	Route	Year	Date	Service changes
Amalgamated Bus Company	Paya Lebar Airport ↔ Henderson Rd	1971	11 April	Introduced between Paya Lebar Airport Ter and Jln Bt Merah Ter under 1971 Bus Reorganisation.
	Paya Lebar Airport ↔ Commonwealth Ave		14 September	Extended to Commonwealth Ave Ter.
		1973	1 July	Operations transferred to Singapore Bus Services.
		1974	3 February	Amended to ply MacPherson Rd and Aljunied Rd under 1974 Bus Rationalisation, skipping Paya Lebar Rd.
		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.
			2 March	Amended to ply Sims Ave towards Paya Lebar Airport Ter with the conversion of Geylang Rd to one-way traffic.
		1976	1 October	Amended to Jln Ang Teng Ter.
		1977	17 May	Amended to ply Commonwealth Ave Extension and Nth Buona Vista Rd towards Commonwealth Ave Ter.
			29 August	Amended to ply Holland Ave, Holland Dr and Nth Buona Vista Rd towards Commonwealth Ave Ter.
	Commonwealth Ave ↺ Airport Rd	1981	30 June	Amended to loop at Airport Rd with the closure of Jln Ang Teng Ter.
	Buona Vista ↺ Airport Rd	1982	27 May	Amended to Buona Vista Ter.
		1987	6 April	Skipped 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.

2^nd Generation (since 1993)

Operator	Route	Year	Date	Service changes
(Current) Known as prior to 1 November 2001	Toa Payoh ↺ Airport Rd	1993	23 May	Introduced between Toa Payoh Int and Airport Rd (Loop) under TransitLink Network Integration Exercise Phase 13.
		1994	5 March	Amended to ply Kim Keat Lk and Lor 6 Toa Payoh towards Toa Payoh Int.
		1998	31 May	Amended to Toa Payoh Temp Int.
				Serves new pair of bus stops outside and opposite Toa Payoh Swim Cplx along Lor 6 Toa Payoh.
	90Toa Payoh ↺ Airport Rd 90AToa Payoh → Airport Rd	2001	TBC	90AIntroduced from Toa Payoh Temp Int to Airport Rd (RSAF Paya Lebar) during morning peak hours on weekdays and Saturdays.
		2002	19 May	Amended to Toa Payoh Integrated Transport Hub.
		2005	TBC	90AExtended to terminate at Airport Rd (KB Warehouse Cplx).
		2007	TBC	90Skipped removed bus stop before Paya Lebar Rd along Airport Rd to facilitate the construction of KPE.
		2008	TBC	Serves new bus stop after Defu Lane 12 along Airport Rd.
			24 September	Skipped removed bus stop outside KB Warehouse Cplx along Airport Rd.
		2011	4 September	90Amended to skip Bendemeer Rd, Whampoa Nth and Serangoon Rd towards Toa Payoh Int with the permanent closure of Whampoa Nth.
		2013	3 December	Designated wheelchair-accessible bus service (WAB).

Service 91

1^st Generation (1971 - 1989)

Operator	Route	Year	Date	Service changes
Singapore Traction Company	Paya Lebar Airport ↔ Prince Edward	1971	11 April	Introduced between Paya Lebar Airport Ter and Prince Edward Ter under 1971 Bus Reorganisation.
United Bus Company			6 December	Operations transferred to United Bus Company.
		1973	1 July	Operations transferred to Singapore Bus Services.
		1974	3 February	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.
		1976	15 February	Served new staggered bus stop between Bank of India and Hong Leong Holdings along Robinson Rd.
			14 March	Served 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	1981	30 June	Amended to loop at Airport Rd with the closure of Jln Ang Teng Ter.
	Lor 1 Geylang ↺ Airport Rd		5 July	Shortened to Geylang Fringe Car Pk.
		1989	5 November	Discontinued.

2^nd Generation (since 1995)

Operator	Route	Year	Date	Service changes
(Current) Known as prior to 1 November 2001	Buona Vista ↺ Ayer Rajah Cres	1995	13 February	Introduced between Buona Vista Ter and Ayer Rajah Cres (Loop), operating on weekdays and Saturdays only.
		1997	TBC	First bus revised to 0630 hrs. Last bus extended to 2000 hrs.
		1999	17 July	Last bus brought forward to 1800 hrs on Saturdays.
	91Buona Vista ↺ Ayer Rajah Cres 91ABuona Vista → Ayer Rajah Cres	2001	TBC	91AIntroduced from Buona Vista Ter to Ayer Rajah Cres (Ayer Rajah Bus Pk) during morning peak hours on weekdays.
		2006	TBC	Serves merged bus stop opposite Buona Vista Stn along Nth Buona Vista Rd with the closure of the staggered bus stop.
	Buona Vista ↺ Ayer Rajah Cres	2012	TBC	91ADiscontinued.
			9 April	Skipped removed bus stop outside Basement Food Court along Ayer Rajah Cres.
		2014	3 December	Designated wheelchair-accessible bus service (WAB).

Service 92

1^st Generation (1971 - 1993)

Operator	Route	Year	Date	Service changes
United Bus Company	Paya Lebar Airport ↔ Jln Bt Merah	1971	11 April	Introduced between Paya Lebar Airport Ter and Gagak Selari Barat Ter under 1971 Bus Reorganisation.
		1972	18 June	Amended to ply Bendemeer Rd towards Gagak Selari Barat Ter with the conversion of Serangoon Rd to one-way traffic.
		1973	11 March	Amended to ply Hoot Kiam Rd towards Jln Ang Teng Ter with the conversion of Irwell Bank Rd to one-way road.
			1 July	Operations transferred to Singapore Bus Services.
	Paya Lebar Airport ↔ Alexandra Hosp	1974	3 February	Extended to Alexandra Rd (Alexandra Hosp) Ter under 1974 Bus Rationalisation.
			24 February	Amended to ply Grange Rd and Orchard Blvd towards Alexandra Rd (Alexandra Hosp) Ter with the conversion of Orchard Rd to one-way road.
			1 October	Served new bus stop outside Nan Hwa Girls' High Sch along Bencoolen St.
				Served 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	30 June	Amended to loop at Airport Rd with the closure of Jln Ang Teng Ter.
	Jln Ang Teng ↺ Depot Rd	1984	TBC	Amended to start from Jln Ang Teng and loop at Depot Rd.
	Clementi ↺ Airport Rd	1985	28 April	Integrated with Service 185 and extended to Clementi Int.
		1988	11 January	Served merged bus stop along Ayer Rajah Rd.
			8 March	Amended to ply Clementi Ave 3 with the abolition of right turning from Clementi Ave 3 to Commonwealth Ave West.
		1992	19 July	Amended to ply Orchard Lk due to the closure of Grange Rd to facilitate road expansion works.
		1993	23 May	Integrated with Service 14 and discontinued under TransitLink Network Integration Exercise Phase 13.

2^nd Generation (since 1997)

Operator	Route	Year	Date	Service changes
(Current) Known as prior to 1 November 2001	Science Pk Dr ↺ Mt Sinai Dr	1997	1 December	Re-numbered from Service M1 as a service between Science Pk Dr (Blk 85) and Mt Sinai Dr (Loop).
	92Science Pk Dr ↺ Mt Sinai Dr 92AScience Park Dr → Ghim Moh Rd	2001	TBC	92AIntroduced from Science Pk Dr (Blk 85) to Ghim Moh Rd (Blk 13) during evening peak hours and after the last bus of Service 92 on weekdays.
		2005	15 January	Serves new bus stop between Hse Nos. 33 and 35 along Mt Sinai Dr.
	92Ghim Moh ↺ Science Pk Dr 92AScience Park Dr → Ghim Moh Rd 92BGhim Moh → Science Park Dr	2007	26 November	Amended to start from Ghim Moh Ter and loop at Science Pk Dr/Mt Sinai Dr.
				92BIntroduced from Ghim Moh Ter to Science Pk Dr (Blk 85) during peak hours and after the last bus of Service 92 on weekdays and Saturdays.
	92Ghim Moh ↺ Science Pk Dr 92AGhim Moh → Science Park Dr → Ghim Moh Rd 92BGhim Moh → Science Park Dr	2012	TBC	92AExtended to start from Ghim Moh Ter.
		2014	28 September	Serves 3 new bus stops outside Blk 85 and outside and opposite The Rutherford along Science Pk Dr.
			29 September	Designated wheelchair-accessible bus service (WAB).
		2016	19 December	92Last bus extended to 2035 hrs on weekdays and 2036 hrs on Saturdays.
				92BLast bus extended to 2120 hrs on weekdays and 2123 hrs on Saturdays.
		2017	26 December	92BShortened to terminate at Science Pk Dr (The Rutherford).
		2023	10 September	Serves new bus stop opposite Ghim Moh Ter along Ghim Moh Rd.
	Ghim Moh ↺ Science Pk Dr		27 November	92ADiscontinued.
				92BDiscontinued with the launch of terminating trips for Service 92.
				Terminating Trip 92T introduced for trips that terminate at Ghim Moh Terminal, operating after the last bus of Service 92 daily.
	92Ghim Moh ↺ Science Pk Dr 92ANorth Buona Vista Rd → Science Park Dr	2024	25 August	92Integrated with Service 92M and enhanced to operate on Sundays and Public Holidays.
				92AIntroduced as a short-trip service from Nth Buona Vista Rd (Buona Vista Stn Exit D) to Science Pk Dr (Opp Normanton Pk), operating after the last bus of Service 92 daily. Wheelchair-accessible bus service (WAB) at launch.
	92Ghim Moh ↺ Science Pk Dr 92ANorth Buona Vista Rd → Science Park Dr 92BSouth Buona Vista Rd ↺ Science Pk Dr	2025	24 March	92BIntroduced between Sth Buona Vista Rd (Kent Ridge Stn Exit B) and Science Pk Dr (loop) during morning peak hours on weekdays. Wheelchair-accessible bus service (WAB) at launch.
		2026	27 April	92First bus timing on weekdays at Opp R’ford/Normanton Pk brought forward from 06:35 to 06:05.

Service 92M

Operator	Route	Year	Date	Service changes
	Ghim Moh ↺ Nth Buona Vista Rd	2015	30 August	Introduced between Ghim Moh Ter and Nth Buona Vista Rd (Loop), operating on Sundays and Public Holidays only. Wheelchair-accessible bus service (WAB) 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	Served new bus stop opposite Ghim Moh Ter along Ghim Moh Rd.
		2024	25 August	Integrated with Service 92 and discontinued.

Service 93

Operator	Route	Year	Date	Service changes
United Bus Company	Paya Lebar Airport ↔ Labrador	1971	11 April	Introduced between Paya Lebar Airport Ter and Labrador Ter under 1971 Bus Reorganisation.
(Current) Known as prior to 1 November 2001		1973	1 July	Operations transferred to Singapore Bus Services.
		1976	1 October	Amended to Jln Ang Teng Ter.
	Labrador ↺ Airport Rd	1981	30 June	Amended to loop at Airport Rd with the closure of Jln Ang Teng Ter.
	World Trade Ctr ↺ Airport Rd	1985	13 January	Extended to World Trade Ctr Ter.
		1987	12 August	Skipped removed bus stop after Joan Rd along Lornie Rd.
	HarbourFront ↔ Eunos	1993	23 May	Extended to Eunos Int under TransitLink Network Integration Exercise Phase 13.
		1999	TBC	Skipped a pair of removed bus stops outside and opposite Wishart Rd along Telok Blangah Rd.
		2004	TBC	Skipped removed bus stop outside Nanyang Pr Sch along Farrer Rd.
			TBC	First bus from HarbourFront Int brought forward to 0520 hrs on weekdays and Saturdays.
		2007	TBC	Skipped removed bus stop before Paya Lebar Rd along Airport Rd to facilitate the construction of KPE.
			TBC	First bus from HarbourFront Int brought forward to 0515 hrs on weekdays.
		2009	8 March	Skipped a pair of bus stops outside and opposite Bartley Sec Sch with the realignment of the junction of Upp Paya Lebar Rd and Bartley Rd.
		2012	3 December	Designated wheelchair-accessible bus service (WAB).
		2018	28 October	Amended to ply southbound Lornie Highway towards HarbourFront Int.
		2019	23 June	Amended to ply northbound Lornie Highway towards Eunos Int.

Service 93A

Operator	Route	Year	Date	Service changes
United Bus Company	Jln Ang Teng ↔ Jln Bt Merah	1971	25 April	Introduced between Jln Ang Teng Ter and Jln Bt Merah Ter.
		1973	1 July	Operations transferred to Singapore Bus Services.
		1974	3 February	Discontinued under 1974 Bus Rationalisation.

Service 94

1^st Generation (1971 - 1989)

Operator	Route	Year	Date	Service changes
Singapore Traction Company	Jln Kolam Ayer ↔ Ulu Pandan	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.
Associated Bus Services			6 December	Operations transferred to Associated Bus Services.
		1972	18 June	Amended to ply Bendemeer Rd towards Ulu Pandan Ter with the conversion of Serangoon Rd to one-way traffic.
		1973	1 July	Operations transferred to Singapore Bus Services.
		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.
		1976	15 February	Served 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		13 December	Extended to Sims Pl Ter.
	Sims Pl ↺ Shenton Way	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	Served 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	Served new staggered bus stop opposite Treasury Bldg along Shenton Way, skipping the bus stop opposite Marina Hse.
		1989	11 June	Discontinued.

2^nd Generation (since 1989)

Operator	Route	Year	Date	Service changes
(Current) Known as prior to 1 November 2001	Eunos ↺ Airport Rd	1989	5 November	Introduced between Eunos Ter and Airport Rd (Loop).
			10 December	Amended to Eunos Int.
		1993	23 May	Converted to a day service on weekdays and Saturdays under TransitLink Network Integration Exercise Phase 13.
	94Eunos ↺ Airport Rd 94AEunos → Airport Rd	2000	TBC	94AIntroduced from Eunos Int to Airport Rd (RSAF Paya Lebar) during morning peak hours on weekdays and Saturdays.
		2008	TBC	Serves new bus stop after Defu Lane 12 along Airport Rd.
			24 September	94Skipped removed bus stop outside KB Warehouse Cplx along Airport Rd.
		2010	28 June	Designated wheelchair-accessible bus service (WAB).

Service 95

1^st Generation (1971 - 1988)

Operator	Route	Year	Date	Service changes
United Bus Company	Paya Lebar Airport ↺ Havelock Rd	1971	22 April	Introduced between Paya Lebar Airport Ter and Havelock Rd (Loop).
		1972	11 June	Amended to ply the extended Upp Cross St with the partial conversion of Havelock Rd to one-way traffic, skipping New Bridge Rd.
		1973	11 March	Amended to ply Hoot Kiam Rd towards Jln Ang Teng Ter with the conversion of Irwell Bank Rd to one-way traffic.
			1 July	Operations transferred to Singapore Bus Services.
	Paya Lebar Airport ↔ Ulu Pandan	1974	3 February	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	1 October	Amended to Jln Ang Teng Ter.
		1977	19 June	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	Amended to ply Thomson Flyover towards Ulu Pandan Ter, skipping Thomson Rd and a portion of Whitley Rd.
	Paya Lebar Airport ↔ Clementi	1981	15 June	Extended to Clementi Int.
	Clementi ↺ Airport Rd		30 June	Amended to loop at Airport Rd with the closure of Jln Ang Teng Ter.
		1986	16 November	Served new staggered bus stop outside Thong Teck Bldg along Scotts Rd, skipping the bus stop outside Metro Orchard.
		1988	8 March	Amended to ply Clementi Ave 3 with the abolition of right turning from Clementi Ave 3 to Commonwealth Ave West.
			13 March	Discontinued with the introduction of Service 105.

2^nd Generation (since 1990)

Operator	Route	Year	Date	Service changes
(Current) Known as prior to 1 November 2001	Buona Vista ↺ Lower Kent Ridge Rd	1990	15 January	Introduced between Buona Vista Ter and Lower Kent Ridge Rd (Loop), operating on weekdays and Saturdays only.
		1993	23 May	Amended to ply Holland Dr, Holland Ave and Commonwealth Ave towards Lower Kent Ridge Rd.
		1996	TBC	Extended to operate on Sundays and Public Holidays.
	Buona Vista ↺ Kent Ridge	2001	23 July	Extended to loop at Kent Ridge Ter.
	95Buona Vista ↺ Kent Ridge 95ABuona Vista → Lower Kent Ridge Rd		TBC	95AIntroduced from Buona Vista Ter to Lower Kent Ridge Rd (NUH) during morning peak hours on weekdays.
	95Buona Vista ↺ Kent Ridge 95ABuona Vista → Lower Kent Ridge Rd 95BKent Ridge → North Buona Vista Rd	2004	TBC	95BIntroduced from Kent Ridge Ter to Nth Buona Vista Rd (Buona Vista Stn) during evening peak hours on weekdays.
	95Buona Vista ↺ Kent Ridge 95ABuona Vista → Lower Kent Ridge Rd 95BKent Ridge → North Buona Vista Rd 95CBuona Vista → Lower Kent Ridge Rd	2005	26 September	95CIntroduced from Buona Vista Ter to Lower Kent Ridge Rd (Kent Ridge Hall) during morning peak hours on weekdays.
	95Kent Ridge ↺ Holland Rd 95ANorth Buona Vista Rd → Lower Kent Ridge Rd 95BKent Ridge → North Buona Vista Rd 95CNorth Buona Vista Rd → Lower Kent Ridge Rd 95DKent Ridge → Holland Rd	2006	17 December	Amended to start from Kent Ridge Ter and loop at Holland Dr.
				95AShortened to start from Nth Buona Vista Rd (Opp Buona Vista Stn) with the route amendment of Service 95.
				95CShortened to start from Nth Buona Vista Rd (Opp Buona Vista Stn) with the route amendment of Service 95.
				95DIntroduced from Kent Ridge Ter to Holland Rd (Holland Village) during peak hours on weekdays and after the last bus of Service 95 daily.
		2010	18 October	Designated wheelchair-accessible bus service (WAB).
	95Kent Ridge ↺ Holland Rd 95ANorth Buona Vista Rd → Lower Kent Ridge Rd 95BKent Ridge → North Buona Vista Rd		TBC	95CDiscontinued.
				95DDiscontinued.
		2011	29 May	Serves new pair of bus stops outside Kent Ridge Stn along Lower Kent Ridge Rd.
	95Kent Ridge ↺ Holland Rd 95BKent Ridge → North Buona Vista Rd		TBC	95ADiscontinued.
		2013	13 October	95Serves relocated bus stop opposite Blk 21 along Holland Dr with the abolition of the bus stop outside Blk 17 along Nth Buona Vista Rd.

Service 96

Operator	Route	Year	Date	Service changes
Known as prior to 1 November 2001	Clementi ↺ Kent Ridge Cres	1982	16 August	Introduced between Clementi Int and Kent Ridge Cres (Loop), operating on Weekdays and Saturdays only.
		1986	1 June	Skipped removed bus stop before Ayer Rajah Rd along Clementi Rd.
		1988	8 March	Amended to ply Clementi Ave 3 with the abolition of right turning from Clementi Ave 3 to Commonwealth Ave West.
		1990	2 July	Extended to operate on Sundays and Public Holidays.
		1996	TBC	First bus brought forward to 0700 hrs on Sundays and Public Holidays.
		1999	TBC	Last bus extended to 2300 hrs on Sundays and Public Holidays.
	96Clementi ↺ Kent Ridge Cres 96AClementi → Kent Ridge Cres	2000	TBC	96AIntroduced from Clementi Int to Kent Ridge Cres (NUS Raffles Hall) during morning peak hours on weekdays.
		2002	TBC	96First bus brought forward to 0645 hrs on weekdays.
		2006	29 October	Amended to Clementi Temp Int.
	96Clementi ↺ Kent Ridge Cres 96AClementi → Kent Ridge Cres 96BClementi → Kent Ridge Cres → Commonwealth Ave West	2007	TBC	96BIntroduced from Clementi Temp Int to Commonwealth Ave West (Clementi Stn) during evening peak hours on weekdays.
		2011	26 November	Amended to Clementi Integrated Transport Hub.
		2012	25 June	Designated wheelchair-accessible bus service (WAB).
(Current)		2016	26 June	Operations transferred to Tower Transit Singapore.
	96Clementi ↺ Kent Ridge Cres 96AClementi → Kent Ridge Cres 96BKent Ridge Cres → Commonwealth Ave West	2021	2 August	96BShortened to start from Kent Ridge Cres (NUS Fac of Design & Env).

Service 97

Operator	Route	Year	Date	Service changes
Known as prior to 1 November 2001	Jurong East ↺ Connaught Dr	1983	29 August	Introduced between Jurong East Ter and Connaught Dr (Loop) as a peak hour service on weekdays and Saturdays.
	Jurong East ↔ Hougang		18 December	Integrated with Service 86, extended to Hougang Int and converted to full day service.
		1985	30 June	Amended to Jurong East Int.
		1988	3 January	Serves new staggered bus stop opposite Treasury Bldg along Shenton Way, skipping the bus stop opposite Marina Hse.
			6 June	First bus from Hougang Int brought forward to 0545 hrs on Sundays and Public Holidays.
			18 December	Integrated with Service 79 and amended to ply AYE and Alexandra Rd, skipping Clementi Rd and Pasir Panjang Rd.
	Jurong East ↔ Hougang South	1994	17 December	Hougang Int renamed to Hougang Sth Int.
	Jurong East ↔ Hougang Ctrl		18 December	Extended to Hougang Ctrl Int.
		1997	24 August	Amended to ply Hougang Ave 10 & Hougang Ctrl, skipping Hougang Ave 4.
		1998	24 May	Amended to Hougang Ctrl Temp Int.
		1999	TBC	Skipped a pair of removed bus stops outside and opposite Wishart Rd along Telok Blangah Rd.
				Last bus from Jurong East Int extended to 2345 hrs daily.
				Served additional bus stop outside Blk 512 along Hougang Ave 10.
	97Jurong East ↔ Hougang Ctrl 97AJurong East → Fullerton Rd	2000		97AIntroduced from Jurong East Int to Fullerton Rd (Fullerton Sq) during morning peak hours on weekdays.
		2001	20 May	Amended back to Hougang Ctrl Int.
		2002	TBC	Served new pair of bus stops after Sommerville Rd and after Sunshine Lodge along Upp Serangoon Rd.
		2003		Served new pair of bus stops outside Potong Pasir Stn along Upp Serangoon Rd.
	97Jurong East ↺ Temasek Ave 97AJurong East → Raffles Ave		27 July	Shortened to loop at Temasek Ave from Jurong East Int under North East Line Rationalisation Phase 2.
				97AExtended to terminate at Raffles Ave (Opp Marina Sq), operating after the last bus of Service 97 daily.
		2005	12 June	Serves new bus stop outside Science Pk along AYE.
	97Jurong East ↺ Temasek Ave 97AJurong East → Raffles Ave 97BJurong East → Telok Blangah Rd	2006	11 September	97BIntroduced from Jurong East Int to Telok Blangah Rd (HarbourFront Stn) during morning peak hours on weekdays.
			29 October	Serves new bus stop outside VivoCity along Telok Blangah Rd.
		2008	7 December	Skipped removed bus stop opposite Temenggong D Mque along Telok Blangah Rd.
	Jurong East ↔ Marina Ctr	2010	26 April	Amended to Marina Ctr Ter via Bayfront, skipping Collyer Quay/Fullerton Rd and Esplanade Dr.
				97ADiscontinued. 97BDiscontinued.
		2011	17 December	Amended to Jurong East Temp Int.
		2012	25 June	Designated wheelchair-accessible bus service (WAB).
		2013	1 December	Serves new bus stop outside Downtown Stn along Central Blvd.
(Current)		2016	12 June	Operations transferred to Tower Transit Singapore.
		2020	6 December	Amended to relocated Jurong East Temp Int and amended to ply Jurong East St 12, skipping Jurong Gateway Rd, Jurong East Ctrl and Jurong Town Hall Rd.
		2021	27 February	Amended to the relocated Marina Ctr Ter.
		2024	28 January	Serves relocated bus stop after Clementi Swim Cplx along AYE.
	Tengah ↔ Marina Ctr	2026	8 March	Extended to Tengah Int under LTA's Bus Connectivity Enhancement Programme (BCEP).

Service 98

Operator	Route	Year	Date	Service changes
Known as prior to 1 November 2001	Jurong ↺ Jurong East Ctrl	1984	1 January	Introduced between Jurong Int and Jurong East Ctrl (Loop).
	Jurong East ↺ Jurong	1985	30 June	Amended to start from Jurong East Int and loop at Jurong Int.
	Jurong East ↺ Corporation Rd	1990	1 July	Amended to loop at Jln Ahmad Ibrahim from Jurong East Int.
	Jurong East ↺ Jurong Pier Rd	1991	20 January	Integrated with Service 247, amended to ply Jurong West St 51 and Boon Lay Way and extended to loop at Jurong Pier Rd under TransitLink Network Integration Exercise Phase 2.
		1995	15 January	Alternate trips introduced during off peak hours daily, looping at Corporation Rd.
	98Jurong East ↺ Jurong Pier Rd 98AJurong East ↺ Corporation Rd	2000	TBC	Alternate trips during off peak hours re-numbered 98A.
	98Jurong East ↺ Jurong Pier Way 98AJurong East ↺ Corporation Rd	2003	TBC	Amended to loop at Jurong Pier Way from Jurong East Int.
		2004	TBC	Skipped removed bus stops outside Jurong Power Stn and after Jurong Pier Way along Jurong Pier Rd.
	Jurong East ↺ Jurong Pier Way	2008	28 January	98ARe-numbered Service 98M.
	98Jurong East ↺ Jurong Pier Way 98ABoon Lay Way → Corporation Rd	2011	3 May	98AIntroduced from Boon Lay Way (Lakeside Stn) to Corporation Rd (Corporation Pl) during evening peak hours on weekdays.
			17 December	98Amended to Jurong East Temp Int.
	98Jurong East ↺ Jurong Pier Way 98ABoon Lay Way → Corporation Rd 98BBoon Lay Way → Jurong Pier Way	2012	16 April	98BIntroduced from Boon Lay Way (Lakeside Stn) to Jurong Pier Way (Jurong Island Checkpt) during morning peak hours on weekdays.
			25 June	Designated wheelchair-accessible bus service (WAB).
	98Jurong East ↺ Jurong Pier Way 98ABoon Lay Way → Corporation Rd 98BJurong West Ave 1 → Jurong Pier Way	2013	2 January	98BExtended to start from Jurong West Ave 1 (Blk 490).
(Current)		2016	26 June	Operations transferred to Tower Transit Singapore.
		2020	6 December	98Amended to relocated Jurong East Temp Int and serve new bus stop before Jurong East Stn along Jurong Gateway Rd.

Service 98M

Operator	Route	Year	Date	Service changes
	Jurong East ↺ Corporation Rd	2008	28 January	Converted from Short-Trip 98A as a service between Jurong East Int and Jln Ahmad Ibrahim (Loop) as an alternate route of Service 98 during off peak hours daily.
		2011	17 December	Amended to Jurong East Temp Int.
		2012	25 June	Designated wheelchair-accessible bus service (WAB).
(Current)		2016	26 June	Operations transferred to Tower Transit Singapore.
		2020	6 December	Amended to relocated Jurong East Temp Int and serve new bus stop before Jurong East Stn along Jurong Gateway Rd.

Service 99

Operator	Route	Year	Date	Service changes
(Current) Known as prior to 1 November 2001	Jurong East ↺ Boon Lay Dr	1985	16 June	Introduced between Jurong East Ter and Boon Lay Dr (Loop).
			30 June	Amended to Jurong East Int.
	Clementi ↺ Jurong West St 91	1988	13 March	Extended to start from Clementi Int and extended to loop at Jurong West St 91.
			24 April	Served new pair of bus stops before and after Upp Jurong Rd along Pioneer Rd Nth.
		1989	TBC	Amended to ply Boon Lay Ave (towards Jurong West St 91), skipping Boon Lay Dr, Boon Lay Way and Jln Boon Lay.
		1991	19 May	Amended to ply Jurong West Ave 5 and Jurong West St 72, skipping Pioneer Rd Nth.
		2003	TBC	Serves additional bus stop outside Blk 673C along Jurong West Ave 4.
		2006	29 October	Amended to Clementi Temp Int.
		2007	15 July	Serves new bus stop outside Blk 207 along Boon Lay Pl.
		2011	27 June	Designated wheelchair-accessible bus service (WAB).
			26 November	Amended to Clementi Integrated Transport Hub.
	Clementi ↔ Joo Koon	2015	21 November	Extended to Joo Koon Integrated Transport Hub, skipping Jurong West St 92.

See also

• History of Bus Services