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 TIBS. 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

1st Generation (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.

2nd Generation (Current)

Bus Service 73

Service 74 (Current)

Bus Service 74

Service 74A

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