History of Services 80 - 89

Service 80

1^st Generation (1971 - 1985)

Operator	Route	Year	Date	Service changes
Associated Bus Services	Upp Changi ↔ Prince Edward	1971	11 April	Introduced between Upp Changi Ter and Prince Edward Ter under 1971 Bus Reorganisation.
		1972	18 June	Amended to ply Bendemeer Rd towards Prince Edward Ter with the conversion of Serangoon Rd to one-way road.
		1973	1 July	Operations transferred to Singapore Bus Services.
		1974	8 December	Amended to skip Market St.
		1976	15 February	Serves staggered bus stop between Bank of India and Hong Leong Holdings along Robinson Rd.
			14 March	Serves staggered bus stop outside The Cenotaph along Connaught Dr, skipping the bus stop opposite Singapore Cricket Club.
		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.
		1985	23 June	Discontinued.

2^nd Generation (1996 - 1998)

Operator	Route	Year	Date	Service changes
	Tampines ↔ Hougang Ctrl	1996	3 September	Introduced between Tampines Int and Hougang Ctrl Int.
		1998	30 March	Integrated with Service 72 and discontinued.

3^rd Generation (since 1999)

Operator	Route	Year	Date	Service changes
(Current) Known as prior to 1 November 2001	Sengkang ↔ HarbourFront	1999	12 December	Introduced between Sengkang Ter and World Trade Ctr Ter with the integration of Services 84 and 864.
	80Sengkang ↔ HarbourFront 80ASengkang → Aljunied Rd	2000	TBC	80AIntroduced from Sengkang Ter to Aljunied Rd (Aljunied Stn) during morning peak hours on weekdays.
		2001	28 April	Amended to Sengkang Temp Int.
		2002	TBC	80Last bus from HarbourFront Int extended to 0015 hrs daily.
		2003	18 January	Amended to Sengkang Integrated Transport Hub.
			20 June	Serves new bus stop opposite Hougang Ctrl Int along Hougang Ctrl.
		2004	TBC	80Last bus from HarbourFront Int extended to 0025 hrs daily.
		2006	29 October	Serves new bus stop outside VivoCity along Telok Blangah Rd.
		2007	20 August	Designated wheelchair-accessible bus service (WAB).
		2008	7 December	Skips removed bus stop opposite Temenggong D Mque along Telok Blangah Rd.
		2013	22 September	Serves new bus stop outside Wisma AUPE along Upp Paya Lebar Rd.
		2019	23 June	Amended to ply Cantonment Lk and Cantonment Rd towards Sengkang Int.
				Serves new bus stop outside Tower 15 along Hoe Chiang Rd.
		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 station on the Cross Island Line.

Service 80A

Operator	Route	Year	Date	Service changes
Associated Bus Services	Upp Serangoon Rd 10.5 km ↔ Prince Edward	1971	11 April	Introduced between Upp Serangoon Rd 10.5 km Ter and Prince Edward Ter under 1971 Bus Reorganisation.
		1972	18 June	Amended to ply Bendemeer Rd towards Prince Edward Ter with the conversion of Serangoon Rd to one-way road.
		1973	1 July	Operations transferred to Singapore Bus Services.
		1974	3 February	Discontinued under 1974 Bus Rationalisation.

Service 81

Operator	Route	Year	Date	Service changes
Associated Bus Services	Upp Changi ↔ New Bridge Rd	1971	11 April	Introduced between Upp Changi Ter and New Bridge Rd Ter under 1971 Bus Reorganisation.
		1972	18 June	Amended to ply Bendemeer Rd towards New Bridge Rd Ter with the conversion of Serangoon Rd to one-way traffic.
(Current) Known as prior to 1 November 2001		1973	1 July	Operations transferred to Singapore Bus Services.
		1974	1 October	Serves merged bus stop outside Sri Srinivasa Perumal Tp along Serangoon Rd.
		1976	18 July	Amended to skip Tanah Merah Besar Rd and Nicoll Dr on Sundays and Public Holidays.
		1986	11 May	Amended to skip Kuala Loyang Rd.
			1 September	Skips a pair of removed bus stops along Tampines Rd to facilitate the construction of TPE.
			23 December	Serves merged bus stop along the new carriageway of Tampines Rd.
		1987	6 June	Amended to the relocated New Bridge Rd Ter.
			20 September	Skips 6 pairs of removed bus stops along Tampines Rd with the opening of TPE.
			27 September	Amended to ply the extended Eu Tong Sen St towards Upp Changi Ter to facilitate the first stage of road expansion along New Bridge Rd.
			1 November	Amended to ply Eu Tong Sen St towards Upp Changi Ter to facilitate the second stage of road expansion along New Bridge Rd.
			13 December	Serves new staggered bus stop opposite Peninsula Plaza along Nth Bridge Rd, skipping the bus stop outside St Andrew's Cath.
	Tampines ↔ New Bridge Rd	1988	23 October	Extended to Tampines Int.
		1989	29 January	Serves relocated bus stop opposite Sri Mariamman Tp along Sth Bridge Rd, skipping a removed bus stop opposite Jamae Mque.
			30 July	Amended to ply Loyang Ave, Pasir Ris Dr 1 and Elias Rd, skipping Tampines Expressway (TPE).
			28 August	Serves new pair of bus stops outside and opposite Pasir Ris Gdns along Elias Rd.
		1993	11 April	Amended to ply Victoria St, Hill St and New Bridge Rd, skipping Nth Bridge Rd, Sth Bridge Rd and Neil Rd.
		1994	TBC	First bus from Tampines Int brought forward to 0530 hrs on weekdays.
		1996	3 September	Amended to ply Pasir Ris Dr 12 and Pasir Ris Dr 1, skipping Elias Rd.
		1997	7 December	Amended to ply Upp Pickering St, Sth Bridge Rd and Kreta Ayer Rd with the partial closure of New Bridge Rd to facilitate the construction of Chinatown station on the North East Line.
		1999	10 July	Amended to ply Middle Rd and Victoria St, skipping Waterloo St, Stamford Rd and Bras Basah Rd.
		2002	20 April	Amended back to ply the reinstated New Bridge Rd, skipping Upp Pickering St, Sth Bridge Rd and Kreta Ayer Rd.
			TBC	Serves new pair of bus stops after Sommerville Rd and after Sunshine Lodge along Upp Serangoon Rd.
		2003	TBC	Serves new pair of bus stops outside Potong Pasir Stn along Upp Serangoon Rd.
	Tampines ↔ Serangoon		27 July	Shortened to Serangoon Int and amended to ply Hougang Ave 3 and Upp Serangoon Rd under North East Line Rationalisation Phase 2.
		2007	23 June	Amended to ply Tampines Svc Rd.
	Tampines ↺ Serangoon Ctrl	2011	3 September	Amended to loop at Serangoon Ctrl with the opening of Serangoon Integrated Transport Hub.
		2012	29 April	Serves new bus stop outside Blk 612 along Pasir Ris Dr 1.
		2017	21 August	Designated wheelchair-accessible bus service (WAB).
		2022	30 October	Temporarily amended to ply Pasir Ris St 11 and Pasir Ris St 12 with the partial closure of Pasir Ris Dr 1 to facilitate the construction of Pasir Ris East station on the Cross Island Line.
		2023	8 October	Temporarily amended to ply Pasir Ris Ctrl and Pasir Ris Dr 8 with the partial closure of Pasir Ris Dr 1 to facilitate the construction of Pasir Ris station on the Cross Island Line.

Service 81A

Operator	Route	Year	Date	Service changes
Associated Bus Services	Upp Serangoon Rd (10.5 km) ↔ New Bridge Rd	1971	11 April	Introduced between Upp Serangoon Rd 10.5 km Ter and New Bridge Rd Ter under 1971 Bus Reorganisation.
		1972	18 June	Amended to ply Bendemeer Rd towards New Bridge Rd Ter with the conversion of Serangoon Rd to one-way traffic.
		1973	1 July	Operations transferred to Singapore Bus Services.
		1974	3 February	Amended to skip Jln Besar, Bencoolen St and Bras Basah Rd and re-numbered Service 85 under 1974 Bus Rationalisation.

Service 82

Operator	Route	Year	Date	Service changes
Associated Bus Services	Punggol ↔ Prince Edward	1971	11 April	Introduced between Punggol Ter and Prince Edward Ter under 1971 Bus Reorganisation.
		1972	18 June	Amended to ply Bendemeer Rd towards Prince Edward 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.
		1976	15 February	Serves new staggered bus stop between Bank of India and Hong Leong Holdings along Robinson Rd.
			14 March	Serves new staggered bus stop outside The Cenotaph along Connaught Dr, skipping the bus stop opposite Singapore Cricket Club.
		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.
	Punggol ↔ Shenton Way	1987	28 June	Amended to Shenton Way Ter.
		1990	24 June	Serves additional bus stop opposite Hong Wen Sch along Victoria St.
		1992	29 March	Amended to ply Hougang Ave 10 and Hougang Ave 2 under TransitLink Network Integration Exercise Phase 6, skipping Hougang Ave 8.
		1994	3 July	Amended to ply Crawford St towards Punggol Ter.
		1995	17 December	Operations transferred to Trans Island Bus Services.
		1998	TBC	Skips 2 pairs of removed bus stops outside and opposite Punggol Mkt and opposite and after Lor Cheng Lim along Punggol Rd.
Known as prior to 1 November 2001		1999	29 August	Operations transferred to Singapore Bus Services.
				First bus from Shenton Way Ter brought forward to 0545 hrs on weekdays and Saturdays, and 0600 hrs on Sundays and Public Holidays.
			TBC	Skips removed bus stop opposite St. Anne's Ch along Punggol Rd.
			TBC	Serves reinstated bus stop outside Blk 298A along Punggol Rd.
		2000	TBC	Serves new bus stop after Shenton Way along Palmer Rd.
			10 June	Serves reinstated bus stop outside Blk 190C along Punggol Rd.
		2002	TBC	Calls at a new pair of bus stops after Sommerville Rd and after Sunshine Lodge along Upp Serangoon Rd.
		2003	TBC	Serves new pair of bus stops outside Potong Pasir Stn along Upp Serangoon Rd.
			TBC	Skips temporarily closed bus stop opposite Punggol Port Rd along Punggol Rd.
	82Serangoon ↺ Punggol Rd 82ASerangoon → Punggol Rd		7 December	82Amended to start from Serangoon Int, loop at Punggol Rd and amended to ply Punggol Field, Punggol Pl and Punggol Ctrl under North East Line Rationalisation Phase 3.
				82AIntroduced from Serangoon Int to Punggol Rd (Punggol Rd End), operating after the last bus of Service 82 daily.
	82Serangoon ↺ Punggol Rd 82ASerangoon → Punggol Ctrl	2004	TBC	82AShortened to terminate at Punggol Ctrl (Opp Blk 293). Last bus extended to 0020 hrs daily.
		2010	5 December	Serves reinstated bus stop outside Blk 604A along Punggol Rd.
	Punggol ↺ Serangoon Ctrl	2011	3 September	82Amended to start from Punggol Int and loop at Serangoon Ctrl with the opening of Serangoon Integrated Transport Hub.
				82ADiscontinued with the route amendment of Service 82 to Punggol Int.
		2013	31 March	Designated wheelchair-accessible bus service (WAB).
(Current)		2016	4 September	Operations transferred to Go-Ahead Singapore.
				First bus brought forward to 0515 hrs daily.

Service 83

1^st Generation (1971 - 1992)

Operator	Route	Year	Date	Service changes
Associated Bus Services	Punggol ↔ New Bridge Rd	1971	11 April	Introduced between Punggol Ter and New Bridge Rd Ter under 1971 Bus Reorganisation.
		1972	18 June	Amended to ply Bendemeer Rd towards New Bridge Rd Ter with the conversion of Serangoon Rd to one-way traffic.
		1973	1 July	Operations transferred to Singapore Bus Services.
		1974	1 October	Serves merged bus stop outside Sri Srinivasa Perumal Tp along Serangoon Rd.
		1987	6 June	Amended to the relocated New Bridge Rd Ter.
			27 September	Amended to ply the extended Eu Tong Sen St towards Punggol Rd Ter to facilitate the first stage of road expansion along New Bridge Rd.
			1 November	Amended to ply Eu Tong Sen St towards Punggol Rd Ter to facilitate the second stage of road expansion along New Bridge Rd.
			13 December	Serves new staggered bus stop opposite Peninsula Plaza along Nth Bridge Rd, skipping the bus stop outside St Andrew's Cath.
		1988	20 March	Amended to ply Upp Cross St and New Bridge Rd, skipping Neil Rd.
		1990	2 September	Integrated with Service 101 and amended to ply Hougang Ave 8, Hougang Ave 2, Yio Chu Kang Lk, Yio Chu Kang Rd and Serangoon Ctrl.
		1992	29 March	Integrated with Service 147 and discontinued under TransitLink Network Integration Exercise Phase 6.

2^nd Generation (since 2001)

Operator	Route	Year	Date	Service changes
	Sengkang ↺ Punggol Field	2001	23 December	Introduced between Sengkang Temp Int and Punggol Field (Loop).
		2003	18 January	Amended to Sengkang Integrated Transport Hub.
			9 February	Amended to ply Sengkang East Rd and Compassvale St, skipping Compassvale Rd.
	Sengkang ↺ Edgedale Plains		4 May	Amended to loop at Edgedale Plains temporarily.
	Sengkang ↺ Punggol Stn		20 June	Extended to loop at Punggol Ctrl with the opening of Punggol station on the North East Line.
	83Punggol ↺ Sengkang 83APunggol → Sengkang		30 November	Amended to start from Punggol Int and loop at Sengkang Int.
				83AIntroduced from Punggol Int to Sengkang Int, operating after the last bus of Service 83 daily
	Punggol ↺ Sengkang	2011	TBC	83ADiscontinued with the dropping of ‘A’ suffix for terminating trip.
		2014	29 June	Designated wheelchair-accessible bus service (WAB).
(Current)		2016	4 September	Operations transferred to Go-Ahead Singapore.
				First bus brought forward to 0520 hrs daily.
	83Punggol ↺ Sengkang 83TPunggol → Sengkang	2021	11 April	83TIntroduced from Punggol Int to Sengkang Int, operating after the last bus of Service 83 daily. Wheelchair-accessible bus service (WAB) at launch.

Service 84/G/W

1^st Generation (1971 - 1999)

Operator	Route	Year	Date	Service changes
Associated Bus Services	Upp Serangoon ↺ Upp Cross St	1971	3 July	Introduced between Upp Serangoon Ter and Upp Cross St (Loop).
		1973	1 July	Operations transferred to Singapore Bus Services.
	Upp Serangoon ↔ Tg Pagar Rd	1974	3 February	Extended to Tg Pagar Ter under 1974 Bus Rationalisation.
		1975	2 March	Amended to ply Sims Ave towards Upp Serangoon Ter with the conversion of Geylang Rd to one-way traffic.
		1979	1 August	Amended to temporary terminal at Lim Teck Kim Rd with the closure of Tg Pagar Ter.
	Upp Serangoon ↔ Anson Rd		23 December	Amended to Anson Rd Ter.
		1980	20 January	Amended to ply Hoe Chiang Rd towards Anson Rd Ter, skipping Lim Teck Kim Rd
		1982	13 June	Amended to ply Aljunied Way and Aljunied Rd.
	Upp Serangoon ↔ World Trade Ctr	1985	13 January	Extended to World Trade Ctr Ter.
		1987	27 September	Amended to ply the extended Eu Tong Sen St towards Upp Serangoon Ter to facilitate the first stage of road expansion along New Bridge Rd.
			1 November	Amended to ply Eu Tong Sen St towards Upp Serangoon Ter to facilitate the second stage of road expansion along New Bridge Rd.
			13 December	Serves new staggered bus stop opposite Peninsula Plaza along Nth Bridge Rd, skipping the bus stop outside St Andrew's Cath.
		1990	22 July	Serves additional bus stop outside Ellenborough Mkt along Eu Tong Sen St.
	Hougang Ctrl ↔ World Trade Ctr	1994	18 December	Amended to Hougang Ctrl Int.
		1996	TBC	Serves additional bus stop outside Kallang Stn along Sims Ave.
		1998	24 May	Amended to Hougang Ctrl Temp Int.
		1999	12 December	Integrated with Service 864 to form Service 80 and discontinued.

2^nd Generation (2003 - 2005)

Operator	Route	Year	Date	Service changes
	Punggol Stn ↺ Punggol East	2003	15 September	Introduced between Punggol Ctrl (Punggol Stn) and Punggol East (Loop) as a peak hour one-directional service, operating on weekdays and Saturdays only.
	Punggol ↺ Punggol East		30 November	Amended to Punggol Int.
		2005	12 March	Discontinued under Punggol LRT (East Loop) Rationalisation.

3^rd Generation (since 2011)

Operator	Route	Year	Date	Service changes
	Punggol ↺ Punggol Rd	2011	3 September	Introduced between Punggol Int and Punggol Rd (Loop), replacing the deleted sectors of Service 82.
(Current)		2016	4 September	Operations transferred to Go-Ahead Singapore.
		2017	16 July	Designated wheelchair-accessible bus service (WAB).
		2018	26 August	Amended to ply Punggol Dr, Sentul Cres, Sumang Lk and Punggol Way with the partial closure of Punggol Rd.
		2020	23 February	Amended to ply Northshore Cres and Northshore Dr with the partial closure of Punggol Way and Punggol Rd.
	Punggol ↺ New Punggol Rd	2023	17 December	Amended to loop at New Punggol Rd, skipping Punggol Rd (End).
	84GPunggol → Sentul Cres ↺ New Punggol Rd → Punggol 84WPunggol ↺ New Punggol Rd → Sentul Cres → Punggol	2024	23 June	Amended to ply the extended New Punggol Rd and converted into dual plate trunk service.
	84GPunggol → Sentul Cres ↺ New Punggol Rd → Punggol 84WPunggol ↺ New Punggol Rd → Sentul Cres → Punggol 84APunggol → New Punggol Rd		16 August	84AIntroduced from Punggol Int to New Punggol Rd (Punggol Coast Stn) on an ad-hoc basis. Wheelchair-accessible bus service (WAB) at launch.
			2 September	84ARevised to operate during morning peak hours on weekdays.
			8 December	84GServes additional bus stop outside Blk 437B along New Punggol Rd.
				84WServes an additional bus stop opposite Blk 437B along New Punggol Rd.
	84GPunggol → Sentul Cres ↺ New Punggol Rd → Punggol 84WPunggol ↺ New Punggol Rd → Sentul Cres → Punggol	2025	12 April	84ADiscontinued.

Service 85

1^st Generation (1974 - 1991)

Operator	Route	Year	Date	Service changes
	Upp Serangoon Rd (10.5 km) ↔ New Bridge Rd	1974	3 February	Re-numbered from Service 81A as a service between Upp Serangoon Rd 10.5 km Ter and New Bridge Rd Ter under 1974 Bus Rationalisation.
	Upp Serangoon Rd (10.5 km) ↺ Sims Ave	1978	24 April	Amended to ply Jln Kolam Ayer and Kallang Bahru and shortened to loop at Sims Ave.
		1982	11 June	Amended to ply Bendemeer Rd and Geylang Bahru, skipping Jln Kolam Ayer.
	Hougang ↺ Sims Ave	1983	30 October	Amended to Hougang Int.
		1991	6 January	Discontinued under TransitLink Network Integration Exercise Phase 1.

2^nd Generation (1999 - 2003)

Operator	Route	Year	Date	Service changes
Known as prior to 1 November 2001	Sengkang ↔ World Trade Ctr	1999	12 December	Re-numbered from Service 865 as a service between Sengkang Ter and World Trade Ctr Ter.
	85Sengkang ↔ World Trade Ctr 85ASengkang → Upp Serangoon Rd	2000	TBC	85AIntroduced from Sengkang Ter to Upp Serangoon Rd (Blk 205) during morning peak hours on weekdays.
	85Sengkang ↔ World Trade Ctr 85ASengkang → Upp Serangoon Rd 85BSengkang → Jln Besar		TBC	85BIntroduced from Sengkang Ter to Jln Besar (Bef Sim Lim Twr) on Saturdays, Sundays and Public Holidays.
		2001	28 April	Amended to Sengkang Temp Int.
		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.
	85Sengkang ↔ World Trade Ctr 85ASengkang → Upp Serangoon Rd	2003	18 January	Amended to Sengkang Integrated Transport Hub.
				85BDiscontinued.
			TBC	Serves new pair of bus stops outside Potong Pasir Stn along Upp Serangoon Rd.
			27 July	Discontinued under North East Line Rationalisation Phase 2.

3^rd Generation (since 2006)

Operator	Route	Year	Date	Service changes
	Punggol ↔ Yishun	2006	1 January	Introduced between Punggol Int and Yishun Int, operating between 0600 hrs and 2330 hrs from Punggol Int and Yishun Int daily.
		2010	23 May	Amended to ply Sengkang East Way, Sengkang West Way and Jln Kayu, except during weekday morning peak hours towards Yishun Int.
		2011	31 July	Serves 3 new pairs of bus stops along Sengkang West Way.
		2012	19 November	Amended to ply Sengkang East Way, Sengkang West Way and Jln Kayu permanently.
		2013	9 June	Designated wheelchair-accessible bus service (WAB).
		2015	14 March	Amended to Yishun Temp Int.
(Current)		2016	4 September	Operations transferred to Go-Ahead Singapore.
				First bus from Punggol Int brought forward to 0530 hrs on weekdays.
			25 September	Serves new pair of bus stops outside Waterwoods and after Punggol Field along Punggol East.
	85Punggol ↔ Yishun 85AYishun → Sengkang East Rd	2019	25 March	85AIntroduced from Yishun Temp Int to Sengkang East Rd (Sengkang Community Hub) during evening peak hours on weekdays. Wheelchair-accessible bus service (WAB) at launch.
			8 September	Amended to Yishun Integrated Transport Hub.

Service 85#

Operator	Route	Year	Date	Service changes
	Punggol ↔ Yishun	2010	23 May	Introduced between Punggol Temp Int and Yishun Int, plying the original route of Service 85 via Sengkang East Rd during weekday morning peak hours.
		2012	19 November	Discontinued with the permanent route amendment of Service 85 to Sengkang East Way, Sengkang West Way and Jln Kayu.

Service 86

1^st Generation (1977 - 1983)

Operator	Route	Year	Date	Service changes
	Tampines Way ↺ Shenton Way	1977	13 June	Introduced between Tampines Way Ter and Shenton Way (Loop) as a semi-express service operating on weekdays and Saturdays only.
		1979	11 February	Amended to ply the extended Shenton Way, Keppel Rd and Anson Rd, skipping Parsi Rd.
		1981	11 October	Serves new staggered bus stop outside Tunas Bldg along Anson Rd, skipping the bus stop outside Intl Plaza.
	Hougang ↺ Shenton Way	1983	30 October	Amended to Hougang Int.
			18 December	Integrated with Service 97 and discontinued.

2^nd Generation (since 1999)

Operator	Route	Year	Date	Service changes
(Current) Known as prior to 1 November 2001	Sengkang ↔ Ang Mo Kio	1999	12 December	Re-numbered from Service 866 as a service between Sengkang Ter and Ang Mo Kio Int.
		2000	10 June	Serves reinstated bus stop outside Blk 190C along Punggol Rd.
		2001	28 April	Amended to Sengkang Temp Int.
				First bus from Sengkang Temp Int brought forward to 0530 hrs on Saturdays, Sundays & Public Holidays.
		2002	24 March	Amended to Ang Mo Kio Temp Int.
	86Sengkang ↔ Ang Mo Kio 86AAng Mo Kio → Jln Kayu		TBC	86AIntroduced from Ang Mo Kio Temp Int to Jln Kayu (Bef Seletar Camp G) during morning peak hours on weekdays.
			31 December	Serves reinstated pair of bus stops before and after Sengkang West Ave along Jln Kayu.
		2003	18 January	Amended to Sengkang Integrated Transport Hub.
			9 February	Amended to ply Compassvale Dr, skipping Punggol Rd and Sengkang East Ave.
		2007	28 April	Amended to Ang Mo Kio Integrated Transport Hub.
	Sengkang ↔ Ang Mo Kio	2010	TBC	86ADiscontinued.
			2 December	Designated wheelchair-accessible bus service (WAB).
		2013	13 October	Amended to ply Sengkang West Ave and Sengkang West Rd with the partial closure of Jln Kayu.
	86Sengkang ↔ Ang Mo Kio 86AJln Kayu → Ang Mo Kio Ave 6 86BAng Mo Kio Ave 6 → Jln Kayu	2024	24 June	86AIntroduced from Jln Kayu (Aft Seletar Camp G) to Ang Mo Kio Ave 6 (Yio Chu Kang Stn) during morning peak hours on weekdays.
				86BIntroduced from Ang Mo Kio Ave 6 (Opp Yio Chu Kang Stn) to Jln Kayu (Bef Seletar Camp G) during evening peak hours on weekdays.

Service 87

Operator	Route	Year	Date	Service changes
(Current) Known as prior to 1 November 2001	Sengkang ↔ Bedok	1999	19 September	Introduced between Sengkang Ter and Bedok Int.
		2001	28 April	Amended to Sengkang Temp Int.
				First bus from Sengkang Temp Int brought forward to 0530 hrs daily.
				First bus from Bedok Int brought forward to 0530 hrs daily.
		2003	18 January	Amended to Sengkang Integrated Transport Hub.
			20 June	Serves new bus stop opposite Hougang Ctrl Int along Hougang Ctrl.
		2011	28 August	Amended to ply Jln Tenaga, Bedok Reservoir Rd and Jln Damai with the partial closure of Kaki Bt Ave 1 to facilitate the construction of Kaki Bukit station on the Downtown Line.
			19 November	Amended to Bedok Temp Int.
			3 December	Designated wheelchair-accessible bus service (WAB).
		2014	30 November	Amended to Bedok Integrated Transport Hub.
		2016	24 April	Amended to ply the reinstated Kaki Bt Ave 1, skipping Jln Tenaga, Bedok Reservoir Rd and Jln Damai.
		2017	21 October	Serves new bus stop outside Bedok Nth Stn along Bedok Nth Rd.
		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 station on the Cross Island.

Service 88

Operator	Route	Year	Date	Service changes
(Current) Known as prior to 1 November 2001	Pasir Ris ↔ Toa Payoh	1999	28 February	Introduced between Pasir Ris Int and Toa Payoh Temp Int.
			TBC	Skips removed bus stop opposite St. Anne's Ch along Punggol Rd.
			TBC	Serves reinstated bus stop outside Blk 298A along Punggol Rd.
		2000	10 June	Serves reinstated bus stop outside Blk 190C along Punggol Rd.
	88Pasir Ris ↔ Toa Payoh 88APunggol Rd → Ang Mo Kio Ave 3		TBC	88AIntroduced from Punggol Rd (St. Anne's Ch) to Ang Mo Kio Ave 3 (Opp Ang Mo Kio Stn) during morning peak hours on weekdays.
		2001	TBC	88Last bus from Toa Payoh Temp Int extended to 2340 hrs daily.
		2002	19 May	Amended to Toa Payoh Integrated Transport Hub.
			TBC	88AExtended to start from Punggol Rd (Blk 190C).
	Pasir Ris ↔ Toa Payoh	2004	TBC	88ADiscontinued.
		2005	TBC	Skips removed bus stop outside Muhajirin Mque along Braddell Rd.
	88Pasir Ris ↔ Toa Payoh 88AHougang Ave 4 → Ang Mo Kio Ave 3 88BAng Mo Kio Ave 6 → Ang Mo Kio Ave 5	2012	8 October	88AIntroduced from Hougang Ave 4 (Blk 919) to Ang Mo Kio Ave 3 (Opp Ang Mo Kio Stn) during morning peak hours on weekdays.
				88BIntroduced from Ang Mo Kio Ave 6 (Blk 207) to Ang Mo Kio Ave 5 (Bef Yio Chu Kang Rd) during morning peak hours on weekdays.
	88Pasir Ris ↔ Toa Payoh 88APunggol Rd → Ang Mo Kio Ave 3 88BAng Mo Kio Ave 3 → Ang Mo Kio Ave 5	2013	9 April	88AExtended to start from Punggol Rd (Blk 190C).
				88BShortened to start from Ang Mo Kio Ave 3 (Ang Mo Kio Stn).
			9 June	Designated wheelchair-accessible bus service (WAB).
		2014	24 August	Serves new pair of bus stops before and after Punggol Rd along TPE.
		2025	27 April	Amended to Pasir Ris Integrated Transport Hub.

Service 89

Operator	Route	Year	Date	Service changes
(Current) Known as prior to 1 November 2001	Hougang Ctrl ↺ Changi AirFreight Ctr	1999	5 December	Introduced between Hougang Ctrl Temp Int and Changi Airport Cargo Cplx (Loop).
		2000	10 June	Serves reinstated bus stop outside Blk 190C along Punggol Rd.
		2001	20 May	Amended back to Hougang Ctrl Int.
		2003	TBC	Serves new pair of bus stops outside and opposite Loyang Ind Est along Loyang Ave.
		2008	TBC	Serves new bus stop outside Changi Beach CP 2 along Nicoll Dr, skipping the bus stop opposite Changi Beach CP 2.
		2012	29 April	Serves new bus stop outside Blk 612 along Pasir Ris Dr 1.
		2014	24 August	Serves new pair of bus stops before and after Punggol Rd along TPE.
		2015	22 June	Designated wheelchair-accessible bus service (WAB).
	89Hougang Ctrl ↺ Changi AirFreight Ctr 89APasir Ris Dr 1 → Airport Cargo Rd	2017	10 April	89AIntroduced from Pasir Ris Dr 1 (Blk 738) to Airport Cargo Rd (AirFreight Ter Bldg) during morning peak hours on weekdays. Wheelchair-accessible bus service (WAB) at launch.
	89Hougang Ctrl ↺ Changi AirFreight Ctr 89ATPE → Airport Cargo Rd	2021	5 July	89AExtended to start from the bus stop after Punggol Rd along TPE.
		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 station on the Cross Island Line.
		2023	26 February	Temporarily amended to ply the bus-only corridor along Loyang Ave and Loyang Way with the partial closure of Loyang Ave to facilitate the construction of Loyang Viaduct and Loyang station on the Cross Island Line, skipping 3 pairs of bus stops along Loyang Ave.
			8 October	Temporarily amended to ply Pasir Ris Ctrl and Pasir Ris Dr 8 with the partial closure of Pasir Ris Dr 1 to facilitate the construction of Pasir Ris station on the Cross Island Line.

See also

• History of Bus Services