History of Services 50 - 59

Service 51 (Current)

Bus Service 51

Service 52

1st Generation (1971 - 1974)

Operator	Route	Year	Date	Service changes
Associated Bus Services	Jln Eunos ↔ Tg Pagar Rd	1971	3 July	Introduced between Jln Eunos Ter and Tg Pagar Rd Ter.
		1973	1 July	Operations transferred to Singapore Bus Services.
		1974	3 February	Discontinued under 1974 Bus Rationalisation.

2nd Generation (Current)

Bus Service 52

Service 53

1st Generation (1974 - 1983)

Operator	Route	Year	Date	Service changes
	Kaki Bt ↔ Alexandra Rd	1974	3 February	Re-numbered from Service 50A as a service between Kaki Bt Ter and Alexandra Rd (Alexandra Hosp) Ter.
		1975	2 March	Amended to ply Sims Ave towards Kaki Bt Ter with the conversion of Geylang Rd to one-way traffic.
		1978	15 January	Amended to ply Jln Sultan, skipping Sumbawa Rd.
		1983	20 February	Discontinued.

2nd Generation (Current)

Bus Service 53

Service 53M (Current)

Bus Service 53M

Service 54

1st Generation (1985 - 1987)

Operator	Route	Year	Date	Service changes
	Hougang ↺ Jln Eunos	1985	29 December	Introduced between Hougang Int and Jln Eunos (Loop).
		1987	22 March	Integrated with Service 51 and discontinued.

2nd Generation (Current)

Bus Service 54

Service 55

1st Generation (1980 - 1988)

Operator	Route	Year	Date	Service changes
	South Canal ↺ Alexandra Rd	1980	11 February	Introduced between Sth Canal Ter and Alexandra Rd (Loop).
	South Canal ↺ Mei Chin Rd		9 March	Amended to loop at Mei Chin Rd.
			23 November	Amended to ply Leng Kee Rd and Tiong Bahru Rd.
		1984	30 December	Amended to ply Alexandra Rd, skipping Leng Kee Rd.
		1988	18 December	Integrated with Service 195 and discontinued.

2nd Generation (Current)

Bus Service 55

Service 56 (Current)

Bus Service 56

Service 57

1st Generation (1983 - 1987)

Operator	Route	Year	Date	Service changes
	Buona Vista ↔ Changi Airport	1983	25 June	Introduced between Buona Vista Ter and Changi Airport as a peak hour service on weekdays & Saturdays under Changi Airport Bus Plan 1983, replacing former SSB Service 757.
		1987	6 April	Skips removed bus stop before College Rd along Outram Rd.
			19 April	Discontinued.

2nd Generation (1988 - 1992)

Operator	Route	Year	Date	Service changes
	Bishan ↺ Sin Ming Dr	1988	22 August	Introduced between Bishan Ter and Sin Ming Dr (Loop), replacing Service 353.
			20 November	Amended to ply Sin Ming Rd, Sin Ming Dr, Sin Ming Ave and Upp Thomson Rd in both directions.
		1989	30 April	Amended to Bishan Int.
		1990	21 February	Skips removed bus stop opposite Jasmine Rd along Upp Thomson Rd.
		1992	3 May	Discontinued under TransitLink Network Integration Exercise Phase 7 with the introduction of Townlink Service 410G/410W.

3rd Generation (Current)

Bus Service 57

Service 58

1st Generation (1987 - 1990)

Operator	Route	Year	Date	Service changes
	Bishan ↺ Marina Ctr	1987	18 January	Introduced between Bishan Ter and Marina Ctr (Loop).
		1989	30 April	Amended to Bishan Int.
		1990	2 September	Integrated with Service 56 and discontinued.

2nd Generation (Current)

Bus Service 58

Service 59

1st Generation (1988 - 1999)

Operator	Route	Year	Date	Service changes
	Bishan ↔ Jln Kayu	1988	10 July	Introduced between Bishan Ter and Jln Kayu Ter.
		1989	30 April	Amended to Bishan Int.
	Ang Mo Kio ↺ Jln Kayu	1992	3 May	Shortened to Ang Mo Kio Int and amended to loop at Jln Kayu under TransitLink Network Integration Exercise Phase 7.
		1995	17 December	Operations transferred to Trans Island Bus Services. Amended to start from Jln Kayu Ter and loop at Ang Mo Kio Int.
		1998	TBC	Skips a pair of temporarily closed bus stops before and after Seletar West Farmway 1 along Jln Kayu.
		1999	21 February	Extended to Sengkang Ter and re-numbered Service 866.

2nd Generation (Current)

Bus Service 59

Service 60

1st Generation (April - May 1971)

Operator	Route	Year	Date	Service changes
Singapore Traction Company	MacPherson ↔ Prince Edward	1971	11 April	Introduced between MacPherson Ter and Prince Edward Ter under 1971 Bus Reorganisation.
			9 May	Integrated with Service 60A and renumbered Service 60/60A.

2nd Generation (1976 - 1991)

Operator	Route	Year	Date	Service changes
	MacPherson ↺ Shenton Way	1976	16 August	Introduced between MacPherson 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.
	Prince Edward ↺ Circuit Rd	1985	29 April	Amended to ply Geylang East Ctrl and re-routed to start from Prince Edward Ter and loop at Circuit Rd, skipping Merpati Rd/Mattar Rd.
		1987	5 January	Skips the bus stop outside Clifford Ctr along Collyer Quay.
	Shenton Way ↺ Circuit Rd		28 June	Amended to Shenton Way Ter.
		1991	26 May	Discontinued under TransitLink Network Integration Exercise Phase 5.

3rd Generation (Current)

Bus Service 60

Service 60A (April - May 1971)

Operator	Route	Year	Date	Service changes
Singapore Traction Company	MacPherson ↺ Stamford Rd	1971	11 April	Introduced between MacPherson Ter and Stamford Rd (Loop) under 1971 Bus Reorganisation.
			9 May	Integrated with Service 60 and discontinued.

Service 60/60A (1971 - 1974)

Operator	Route	Year	Date	Service changes
Singapore Traction Company	MacPherson ↔ Prince Edward	1971	9 May	Re-numbered from Service 60 as a service between MacPherson Ter and Prince Edward Ter.
United Bus Company			6 December	Operations transferred to United Bus Company.
		1973	1 July	Operations transferred to Singapore Bus Services.
		1974	3 February	Discontinued under 1974 Bus Rationalisation.

Service 61 (Current)

Bus Service 61

Service 62 (Current)

Bus Service 62

Service 63

1st Generation (1971 - 1981)

Operator	Route	Year	Date	Service changes
Amalgamated Bus Company	Jln Bt Merah ↔ MacPherson	1971	11 April	Introduced between Gagak Selari Barat Ter and MacPherson Ter under 1971 Bus Reorganisation.
		1973	1 July	Operations transferred to Singapore Bus Services.
		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 MacPherson Ter with the conversion of Geylang Rd to one-way traffic.
	Labrador ↔ MacPherson	1976	4 January	Extended to Alexandra Rd Ter.
		1977	12 April	Amended to ply Tiong Bahru Rd and Lower Delta Rd, skipping Jln Membina and Kim Tian Rd.
	Bukit Merah ↔ MacPherson	1981	15 February	Amended to Bt Merah Int.
			5 July	Amended to ply Cantonment Rd towards Bt Merah Int, skipping a portion of Neil Rd and New Bridge Rd.
			15 November	Integrated with Service 44 and discontinued.

2nd Generation (Current)

Bus Service 63

Service 63M (Current)

Bus Service 63M

Service 64 (Current)

Bus Service 64

Service 65 (Current)

Bus Service 65

Service 66 (Current)

Bus Service 66

Service 67 (Current)

Bus Service 67

Service 68

1st Generation (2003 - 2008)

Operator	Route	Year	Date	Service changes
	Tampines ↺ Tampines St 92	2003	16 June	Introduced between Tampines Int and Tampines St 92 (Loop) as a peak hour service on weekdays.
		2006	TBC	Last bus (AM peak) brought forward to 0920 hrs.
		2008	11 August	Discontinued.

2nd Generation (Current)

Bus Service 68

Service 69 (Current)

Bus Service 69

Service 70 (Current)

Bus Service 70

Service 70X/70M (Current)

Bus Service 70M

Service 71

1st Generation (1971 - 1992)

Operator	Route	Year	Date	Service changes
Associated Bus Services	Upp Thomson Rd ↔ Lor 5 Geylang	1971	11 April	Introduced between Yio Chu Kang Rd Ter and Lor 5 Geylang Ter under 1971 Bus Reorganisation.
		1973	1 July	Operations transferred to Singapore Bus Services.
		1975	2 March	Amended to ply Geylang Rd towards Lor 5 Geylang Ter with the conversion of Sims Ave to one-way traffic.
	Upp Thomson Rd ↔ Lor 1 Geylang	1977	17 October	Extended to Geylang Fringe Car Pk.
		1979	26 March	Amended to ply Yio Chu Kang Rd, skipping Jln Woodbridge.
	Old Upp Thomson ↔ Lor 1 Geylang		26 October	Amended to Old Upp Thomson Ter.
		1980	13 October	Amended to ply Ang Mo Kio Ave 9 and Ang Mo Kio Ave 4 with the partial closure of Yio Chu Kang Rd to facilitate redevelopment.
		1981	5 June	Amended to ply the diverted Yio Chu Kang Rd, skipping Ang Mo Kio Ave 9.
		1992	3 May	Integrated with Service 70/70X and discontinued under TransitLink Network Integration Exercise Phase 7.

2nd Generation (Current)

Bus Service 71

Service 72

1st Generation (1971 - 1992)

Operator	Route	Year	Date	Service changes
Associated Bus Services	Serangoon Garden ↔ Tg Rhu Rd	1971	11 April	Introduced between Serangoon Gdn Ter and Tg Rhu Ter under 1971 Bus Reorganisation.
		1973	1 July	Operations transferred to Singapore Bus Services.
		1976	30 December	Amended to ply Sims Ave/Geylang Rd and the extended Tg Katong Rd, skipping Guillemard Rd.
		1977	31 October	Amended to skip Chartwell Dr, Burghley Dr, Berwick Dr, Tavistock Ave, Hemsley Ave and Kensington Pk Rd with the introduction of Service 217.
	Serangoon Garden ↺ Tg Rhu Rd	1984	27 May	Amended to loop at Tg Rhu Rd from Serangoon Gdn Ter.
	Serangoon ↺ Tg Rhu Rd	1988	13 March	Amended to Serangoon Int.
		1992	3 May	Integrated with Services 76 & 158 and discontinued under TransitLink Network Integration Exercise Phase 7.

2nd Generation (Current)

Bus Service 72

Service 73/73A (1971 - 1974)

Operator	Route	Year	Date	Service changes
Associated Bus Services	Yio Chu Kang Rd ↔ Tg Pagar	1971	16 June	Introduced between Yio Chu Kang Rd Ter and Tg Pagar Ter.
		1972	18 June	Amended to ply Bendemeer Rd towards Tg Pagar Ter with the conversion of Serangoon Rd to one-way traffic.
		1973	1 July	Operations transferred to Singapore Bus Services.
		1974	3 February	Shortened to Toa Payoh Town Ctr Ter and re-numbered Service 73 under 1974 Bus Rationalisation.

Service 73 (Current)

Bus Service 73

Service 74 (Current)

Bus Service 74

Service 74A (1994 - 1995)

Operator	Route	Year	Date	Service changes
	Upp Serangoon → Ang Mo Kio Stn	1994	19 June	Introduced between Upp Serangoon Ter and Ang Mo Kio Ave 3 (Ang Mo Kio Stn) as a route variant of Service 74.
	Hougang Ctrl → Ang Mo Kio Stn		17 December	Amended to Hougang Ctrl Int.
		1995	8 January	Integrated with Service 165 and discontinued.

Service 75 (Current)

Bus Service 75

Service 76

1st Generation (1981 - 1988)

Operator	Route	Year	Date	Service changes
	Clementi ↺ Jurong East Ctrl	1981	24 November	Introduced between Clementi Int and Jurong East Ctrl (Loop).
	Clementi ↺ Jurong East Ave 1	1982	12 September	Amended to ply Jurong East Ctrl, Jurong East Ave 1 and Jurong Town Hall Rd.
	Jurong East ↺ Clementi	1985	30 June	Amended to start from Jurong East Int and loop at Clementi Int.
		1988	13 March	Integrated with Service SS2 and discontinued.

2nd Generation (Current)

Bus Service 76

Service 77

1st Generation (1980 - 1986)

Operator	Route	Year	Date	Service changes
	Ang Mo Kio ↺ Bendemeer Rd	1980	17 August	Introduced between Ang Mo Kio Ave 3 Ter and Bendemeer Rd (Loop).
		1981	5 July	Amended to Ang Mo Kio Ctrl 2 Ter.
		1983	10 April	Amended to Ang Mo Kio Int.
		1986	16 March	Integrated with Service 162 and discontinued.

2nd Generation (Current)

Bus Service 77

Service 78

1st Generation (1980 - 1983)

Operator	Route	Year	Date	Service changes
	Clementi ↺ Queensway	1980	17 November	Introduced between Clementi Int and Queensway (Loop) as a peak hour service on weekdays and Saturdays.
		1983	28 February	Discontinued.

2nd Generation (Current)

Bus Service 78

Service 79

1st Generation (1983 - 1984)

Operator	Route	Year	Date	Service changes
	Jurong East ↺ Nth Bridge Rd	1983	27 February	Introduced between Jurong East Ter and Nth Bridge Rd (Loop).
		1984	24 June	Integrated with Service 147 and discontinued.

2nd Generation (1985 - 1988)

Operator	Route	Year	Date	Service changes
	Jurong East ↺ Empress Pl	1985	16 June	Introduced between Jurong East Ter and Empress Pl (Loop).
			30 June	Amended to Jurong East Int.
	Jurong East ↔ Marina Ctr	1986	30 November	Extended to Marina Ctr Ter.
		1988	3 January	Serves staggered bus stop opposite Treasury Bldg along Shenton Way, skipping the bus stop opposite Marina Hse.
			11 January	Serves merged bus stop along Ayer Rajah Rd.
			18 December	Integrated with Service 97 and discontinued.

3rd Generation (Current)

Bus Service 79

Service 80

1st 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.

2nd 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.

3rd Generation (Current)

Bus Service 80

Service 80A (1971 - 1974)

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 (Current)

Bus Service 81

Service 81A (1971 - 1974)

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 (Current)

Bus Service 82

Service 83

1st 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.

2nd Generation (Current)

Bus Service 83

Service 84

1st 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.

2nd 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 Temp Int.
		2005	12 March	Discontinued under Punggol LRT (East Loop) Rationalisation.

3rd Generation (2011 - 2024)

Operator	Route	Year	Date	Service changes
	Punggol ↺ Punggol Rd	2011	3 September	Introduced between Punggol Temp Int and Punggol Rd (Loop), replacing the deleted sectors of Service 82.
		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 with the permanent closure of Punggol Rd End.
		2024	23 June	Amended to ply the extended New Punggol Rd and converted into dual plate trunk service.

Service 84G (Current)

Bus Service 84G

Service 84W (Current)

Bus Service 84W

Service 85

1st 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.

2nd 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.

3rd Generation (Current)

Bus Service 85

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

1st 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.

2nd Generation (Current)

Bus Service 86

Service 87 (Current)

Bus Service 87

Service 88 (Current)

Bus Service 88

Service 89 (Current)

Bus Service 89

Service 90

1st 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	Skips 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.

2nd Generation (Current)

Bus Service 90

Service 91

1st 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	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.
			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.

2nd Generation (Current)

Bus Service 91

Service 92

1st 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	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.
		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.
	Clementi ↺ Airport Rd	1985	28 April	Integrated with Service 185 and extended to Clementi Int.
		1988	11 January	Serves 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.

2nd Generation (Current)

Bus Service 92

Service 92M (2015 - 2024)

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	Serves new bus stop opposite Ghim Moh Ter along Ghim Moh Rd.
		2024	25 August	Integrated with Service 92 and discontinued.

Service 93 (Current)

Bus Service 93

Service 93A (1971 - 1974)

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

1st 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	Serves 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	Serves 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	Serves new staggered bus stop opposite Treasury Bldg along Shenton Way, skipping the bus stop opposite Marina Hse.
		1989	11 June	Discontinued.

2nd Generation (Current)

Bus Service 94

Service 95

1st 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	Serves 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.

2nd Generation (Current)

Bus Service 95

Service 96 (Current)

Bus Service 96

Service 97 (Current)

Bus Service 97

Service 98 (Current)

Bus Service 98

Service 98M (Current)

Bus Service 98M

Service 99 (Current)

Bus Service 99

Service 100

1st Generation (April - May 1971)

Operator	Route	Year	Date	Service changes
Singapore Traction Company	Serangoon Gdn ↔ Prince Edward	1971	11 April	Introduced between Serangoon Gdn Ter and Prince Edward Ter under 1971 Bus Reorganisation.
			9 May	Integrated with Service 100A and re-numbered Service 100/100A.

2nd Generation (Current)

Bus Service 100

Service 100A (April - May 1971)

Operator	Route	Year	Date	Service changes
Singapore Traction Company	Serangoon Gdn ↺ Finlayson Green	1971	11 April	Introduced between Serangoon Gdn Ter and Finlayson Green (Loop) under 1971 Bus Reorganisation.
			9 May	Integrated with Service 100 and discontinued.

Service 100/100A (1971 - 1974)

Operator	Route	Year	Date	Service changes
Singapore Traction Company	Serangoon Gdn ↔ Prince Edward	1971	9 May	Re-numbered from Service 100 as a service between Serangoon Gdn Ter and Prince Edward Ter.
Associated Bus Services			6 December	Operations transferred to Associated Bus Services.
		1973	1 July	Operations transferred to Singapore Bus Services.
		1974	3 February	Re-numbered Service 100 under 1974 Bus Rationalisation.