History of Services 131 - 140

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Service 131 Handicapped/disabled access[edit]

Operator Year Date Service changes
STC 1971 11 April Introduced between Balestier Rd Ter and Tg Pagar Ter under 1971 Bus Reorganisation.
ABS 6 December Operations transferred to ABS.
SBS 1974 8 December Amended to ply Cecil St, skipping Robinson Rd.
1975 19 July Amended to ply Coleman St and Armenian St, skipping Stamford Rd.
1979 11 February Amended to ply the extended Shenton Way, Rambau St and Trafalgar St towards Tg Pagar Ter, skipping Parsi Rd.
1 August Amended to Anson Rd Ter.
1983 2 January Amended to loop at Norfolk Rd from Anson Rd Ter.
1985 27 January Amended to Prince Edward Ter with the closure of Anson Rd Ter.
1987 7 June Amended to ply Owen Rd, Dorset Rd, Kg Java Rd, Bt Timah Rd and Sungei Rd, skipping Race Course Rd, Kerbau Rd, Kg Kapor Rd, Upp Weld Rd and Jln Besar.
28 June Amended to Shenton Way Ter.
1992 3 May Extended to St. Michael's Ter under TransitLink Network Integration Exercise Phase 7.
1993 4 April Extended to Bt Merah Int under TransitLink Network Integration Exercise Phase 12.
11 April Amended to ply Stamford Rd, skipping Coleman St and Armenian St.
1999 TBC Skips abolished pair of bus stops outside and opposite Wishart Rd along Telok Blangah Rd.
TBC Serves new bus stop outside Farrer Pk Tennis Ctr along Dorset Rd.
2001 18 February Serves new staggered bus stop outside Novena Stn along Thomson Rd, skipping the bus stop outside Novena Ch.
SBS Transit
(Current)
2005 19 June Amended to ply Bt Purmei Ave in both directions.
2006 29 October Serves new bus stop outside VivoCity along Telok Blangah Rd.
2007 28 April Serves additional bus stop outside Victoria Concert Hall along Fullerton Rd.
2008 7 December Skips abolished bus stop opposite Temenggong D Mque along Telok Blangah Rd.
2011 16 October Amended to ply Middle Rd, Selegie Rd, Prinsep St and Bras Basah Rd with the partial closure of Bencoolen St to facilitate the construction of Bencoolen MRT station on the Downtown MRT Line.
3 December Designated wheelchair-accessible bus service (WAB).
2014 25 August Last bus from Bt Merah Int extended to 2400 hrs daily.
2016 1 May Amended to ply Esplanade Dr towards St. Michael's Ter with the partial closure of Fullerton Rd.
11 December Amended to ply the reinstated Bencoolen St, skipping Middle Rd, Selegie Rd, Prinsep St and Bras Basah Rd.
2021 26 December Amended to ply Esplanade Dr towards Bt Merah Int with the closure of Connaught Dr.

Short Trip 131A Handicapped/disabled access[edit]

Operator Year Date Service changes
SBS Transit
(Current)
2002 TBC Introduced from St. Michael's Ter to Shenton Way (Opp Temasek Twr) during morning peak hours on weekdays.
2011 16 October Amended to ply Middle Rd, Selegie Rd, Prinsep St and Bras Basah Rd with the partial closure of Bencoolen St to facilitate the construction of Bencoolen MRT station on the Downtown MRT Line.
3 December Designated wheelchair-accessible bus service (WAB).
2016 11 December Amended to ply the reinstated Bencoolen St, skipping Middle Rd, Selegie Rd, Prinsep St and Bras Basah Rd.
2021 26 December Amended to ply Esplanade Dr with the closure of Connaught Dr.

Short Trip 131B (January - June 2006)[edit]

Operator Year Date Service changes
SBS Transit 2006 23 January Introduced as a short-trip service from Serangoon Rd (Tekka Ctr) to Norfolk Rd (Bef Carlisle Rd) during evening peak hours on weekdays.
1 June Withdrawn.

Service 131M (2014 - 2022) Handicapped/disabled access[edit]

Operator Year Date Service changes
SBS Transit 2014 25 August Introduced between Bt Merah Int and Bt Purmei Ave (Loop) as a peak hour variant of Service 131 on weekdays, replacing Service 275. Wheelchair-accessible at launch.
2022 12 December Withdrawn.

Service 132 Handicapped/disabled access[edit]

Operator Year Date Service changes
SBS 1978 9 October Introduced between Ang Mo Kio Ave 6 Ter and Tomlinson Rd (Loop).
1979 TBC Amended to Ang Mo Kio Ave 3 Ter.
1981 5 July Amended to Ang Mo Kio Ctrl 2 Ter.
1983 10 April Amended to Ang Mo Kio Int.
29 December Extended to Bt Merah Int.
1986 16 November Serves new staggered bus stop outside Thong Teck Bldg along Scotts Rd, skipping the bus stop outside Metro Orchard.
1988 18 December Extended to Hougang Int.
1990 21 February Skips abolished bus stop opposite Jasmine Rd along Upp Thomson Rd.
27 May Serves additional bus stop outside Police Academy along Whitley Rd.
2000 TBC Serves new pair of bus stops outside and opposite British High Comm along Tanglin Rd.
SBS Transit
(Current)
2004 15 February Amended to Hougang Ctrl Int with the closure of Hougang Sth Int.
2013 31 March Designated wheelchair-accessible bus service (WAB).
2020 8 November Skips the bus stop opposite SLF Cplx along Thomson Rd to facilitate the construction of the North-South Corridor (NSC).

Service 132A (1984 - 1986)[edit]

Operator Year Date Service changes
SBS 1984 TBC Introduced between Ang Mo Kio Int and Tomlinson Rd (Loop).
1986 14 April Withdrawn.

Service 133 Handicapped/disabled access[edit]

Operator Year Date Service changes
SBS 1978 29 December Introduced between Ang Mo Kio Ave 6 Ter and Nth Bridge Rd (Loop).
1980 6 January Amended to Ang Mo Kio Ave 3 Ter.
1981 5 July Amended to Ang Mo Kio Ctrl 2 Ter.
1983 6 February Amended to ply CTE towards Ang Mo Kio Ctrl 2 Ter with the closure of temporary slip road between Braddell Rd and Lor Chuan.
10 April Amended to Ang Mo Kio Int.
20 June Amended to ply CTE towards Nth Bridge Rd.
1987 26 July Extended to Marina Ctr Ter.
1989 5 November Amended to ply Ang Mo Kio Ave 1, Boundary Rd, Serangoon Ave 2 and Upp Serangoon Rd, skipping CTE.
1997 22 July Amended to loop at Temasek Ave and amended to ply Kallang Rd and Victoria St, skipping Crawford St and Nth Bridge Rd.
2000 TBC Last bus extended to 2345 hrs on Saturdays.
SBS Transit
(Current)
2002 24 March Amended to Ang Mo Kio Temp Int.
TBC Serves new pair of bus stops after Sommerville Rd and after Sunshine Lodge along Upp Serangoon Rd.
2003 20 June Serves new pair of bus stops outside Potong Pasir Stn along Upp Serangoon Rd.
2007 28 April Amended to Ang Mo Kio Integrated Transport Hub.
2010 26 April Extended to Shenton Way Ter.
2011 26 September Designated wheelchair-accessible bus service (WAB).
2012 14 January Serves relocated bus stop after Marina St along Marina Stn Rd.
2013 29 December Amended to ply Central Blvd and Shenton Way with the opening of MCE.
2014 28 September Amended to ply Robinson Rd and Marina Blvd towards Ang Mo Kio Int, skipping Maxwell Rd and Central Blvd with the road changes in Marina Sth area.
2017 25 June Amended to the relocated Shenton Way Ter.

Service 133A (1988 - 1989)[edit]

Operator Year Date Service changes
SBS 1988 10 July Introduced between Ang Mo Kio Int and Marina Ctr Ter as an alternate route of Service 133 via Boundary Rd and Serangoon Ave 2.
1989 5 November Integrated with Service 133 and withdrawn.

Short Trip 133A (2000 - 2010)[edit]

Operator Year Date Service changes
SBS 2000 TBC Introduced from Ang Mo Kio Int to Raffles Ave (Opp Marina Sq) during morning peak hours on weekdays.
SBS Transit 2002 24 March Amended to Ang Mo Kio Temp Int.
TBC Serves new bus stop after Sunshine Lodge along Upp Serangoon Rd.
2003 20 June Serves new bus stop outside Potong Pasir Stn along Upp Serangoon Rd.
2007 28 April Amended to Ang Mo Kio Integrated Transport Hub.
2010 26 April Withdrawn.

Service 133M (2010 - 2012) Handicapped/disabled access[edit]

Operator Year Date Service changes
SBS Transit 2010 26 April Introduced between Shenton Way Ter and Temasek Ave (Loop).
4 October Revised to operate on Saturdays, Sundays and Public Holidays only.
2011 26 September Designated wheelchair-accessible bus service (WAB).
2012 26 May Withdrawn.

Service 134 (1980 - 1993)[edit]

Operator Year Date Service changes
SBS 1980 17 August Introduced between Ang Mo Kio Ave 3 Ter and New Bridge Rd Ter.
1981 5 July Amended to Ang Mo Kio Ctrl 2 Ter.
1983 10 April Amended to Ang Mo Kio Int.
1987 6 June Amended to the relocated New Bridge Rd Ter.
27 September Amended to ply the extended Eu Tong Sen St towards Ang Mo Kio Int to facilitate the first stage of road expansion along New Bridge Rd.
1 November Amended to ply Eu Tong Sen St towards Ang Mo Kio Int 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.
1992 3 May Shortened to Bishan Int under TransitLink Network Integration Exercise Phase 7.
1993 11 April Amended to ply Hill St and New Bridge Rd, skipping Nth Bridge Rd, Sth Bridge Rd and Upp Cross St.
5 December Integrated with Service 104 to form Service 54 and withdrawn under TransitLink Network Integration Exercise Phase 14.

Service 134 (since 2016) Handicapped/disabled access[edit]

Operator Year Date Service changes
SBS Transit
(Current)
2016 20 March Introduced between Sims Pl Ter and Marine Terr (Loop) under the LTA's Bus Service Enhancement Programme (BSEP). Wheelchair-accessible at launch.

Service 135 Handicapped/disabled access[edit]

Operator Year Date Service changes
SBS 1974 3 February Re-numbered from Service 155A between Toa Payoh Town Ctr Ter and Bedok Rd Ter under 1974 Bus Rationalisation.
TBC Amended to Upp Changi Rd 8ΒΌ ms (13.3 km) Ter.
1975 2 March Amended to ply Sims Ave towards Bedok Rd Ter with the conversion of Geylang Rd to one-way traffic.
1976 30 December Amended to ply Sims Ave/Geylang Rd and the extended Tg Katong Rd, skipping Guillemard Rd.
1979 TBC Relocated to Upp Changi Rd 15.5km Ter.
1980 15 June Amended to Somapah Depot.
28 December Amended to ply Upp Changi Rd East, skipping Upp Changi Rd.
1981 28 June Amended to Somapah Int.
5 July Shortened to Marine Parade Ter.
1983 26 December Shortened to loop at Circuit Rd from Marine Parade Ter and amended to ply Marine Parade Rd, skipping East Coast Rd.
1987 19 April Extended to Ang Mo Kio Int.
2001 16 September Amended to loop at Siglap Rd from Ang Mo Kio Int with the closure of Marine Parade Ter.
SBS Transit
(Current)
2002 24 March Amended to Ang Mo Kio Temp Int.
TBC Serves new pair of bus stops after Sommerville Rd and after Sunshine Lodge along Upp Serangoon Rd.
2003 16 March Amended to ply Eunos Ave 5 and Eunos Rd 8 with the partial closure of Paya Lebar Rd to facilitate the construction of Paya Lebar MRT station on the Circle MRT Line.
TBC Serves new bus stop outside Victoria Sch along Marine Parade Rd.
TBC Serves new bus stop outside Shell Kiosk along Tg Katong Rd.
2007 28 April Amended to Ang Mo Kio Integrated Transport Hub.
2009 23 August Amended to ply the reinstated Paya Lebar Rd, skipping Eunos Ave 5 and Eunos Rd 8.
22 November Serves new bus stop opposite MacPherson Stn along Circuit Lk.
2011 7 March Designated wheelchair-accessible bus service (WAB).
26 June Amended to ply Lor Bengkok with the closure of Circuit Lk to facilitate the construction of MacPherson MRT station on the Downtown MRT Line.
2016 16 October Amended to ply the reinstated Circuit Lk, skipping Lor Bengkok.
2017 12 March Amended to ply Upp Serangoon Rd and the diverted Upp Aljunied Rd.
2018 23 September Amended to ply ECP and Bedok Sth Ave 1 with the partial closure of Siglap Lk to facilitate the construction of Siglap MRT station on the Thomson-East Coast MRT Line.
2020 22 March Amended to ply the reinstated Siglap Lk, skipping ECP and Bedok Sth Ave 1.
2021 28 February Amended to terminate at Jln Kembangan (Kembangan Stn) via Telok Kurau Rd, East Coast Rd and Frankel Ave and converted to bi-directional service, skipping Siglap Rd and a portion of Marine Parade Rd.

Short Trip 135A (2001 - 2021) Handicapped/disabled access[edit]

Operator Year Date Service changes
SBS 2001 16 September Introduced from Ang Mo Kio Int to Siglap Rd (Opp Mandarin Gdns), operating after the last bus of Service 135 daily.
SBS Transit 2002 24 March Amended to Ang Mo Kio Temp Int.
2003 16 March Amended to ply Eunos Ave 5 and Eunos Rd 8 with the partial closure of Paya Lebar Rd to facilitate the construction of Paya Lebar MRT station on the Circle MRT Line.
TBC Serves new bus stop outside Shell Kiosk along Tg Katong Rd.
2005 TBC Extended to terminate at Marine Parade Rd (Victoria Sch).
2007 28 April Amended to Ang Mo Kio Integrated Transport Hub.
2009 23 August Amended to ply the reinstated Paya Lebar Rd, skipping Eunos Ave 5 and Eunos Rd 8.
2011 7 March Designated wheelchair-accessible bus service (WAB).
26 June Amended to ply Lor Bengkok with the closure of Circuit Lk to facilitate the construction of MacPherson MRT station on the Downtown MRT Line.
2016 16 October Amended to ply the reinstated Circuit Lk, skipping Lor Bengkok.
2017 12 March Amended to ply Upp Serangoon Rd and the diverted Upp Aljunied Rd.
2018 23 September Amended to ply ECP and Bedok Sth Ave 1 with the partial closure of Siglap Lk to facilitate the construction of Siglap MRT station on the Thomson-East Coast MRT Line.
2020 22 March Amended to ply the reinstated Siglap Lk, skipping ECP and Bedok Sth Ave 1.
2021 28 February Withdrawn with the amendment of Service 135 to Jln Kembangan (Kembangan Stn).

Service 136 (1974 - 1975)[edit]

Operator Year Date Service changes
SBS 1974 3 February Re-numbered from Service 140A as a service between Toa Payoh Town Ctr Ter and Stamford Rd (Loop).
TBC Extended to Prince Edward Ter.
1975 TBC Withdrawn.

Service 136 (since 1978) Handicapped/disabled access[edit]

Operator Year Date Service changes
SBS 1978 27 July Introduced between Ang Mo Kio Ave 6 Ter and Upp Serangoon Rd 10.5 km Ter.
4 December Extended to loop at Upp Serangoon Rd.
1980 6 January Amended to Ang Mo Kio Ave 3 Ter.
1981 5 July Amended to Ang Mo Kio Ctrl 2 Ter.
1983 10 April Amended to Ang Mo Kio Int.
1994 17 December Amended to Hougang Ctrl Int.
1996 23 June Amended to loop at Hougang Ave 8 from Ang Mo Kio Int.
2001 1 January Amended to loop at Upp Serangoon Rd.
SBS Transit 2002 17 February Extended to loop at Punggol Pl.
24 March Amended to Ang Mo Kio Temp Int.
2003 14 September Amended to loop at Punggol Ctrl.
30 November Amended to Punggol Temp Int.
2007 28 April Amended to Ang Mo Kio Integrated Transport Hub.
2011 7 March Designated wheelchair-accessible bus service (WAB).
Go-Ahead
(Current)
2016 4 September Operations transferred to Go-Ahead Singapore.

Short Trip 136A (2002 - 2003)[edit]

Operator Year Date Service changes
SBS Transit 2002 17 February Introduced from Ang Mo Kio Int to Punggol Ctrl (Opp Blk 293), operating after the last bus of Service 136 daily.
24 March Amended to Ang Mo Kio Temp Int.
2003 14 September Amended to terminate at Punggol Ctrl (Punggol Stn).
30 November Withdrawn with the route amendment of Service 136 to Punggol Temp Int.

Service 137 (1973 - 1992)[edit]

Operator Year Date Service changes
UBC 1973 25 June Introduced between Toa Payoh Town Ctr Ter and Mandai Lake Rd (Loop).
SBS 1983 26 December Amended to Toa Payoh Int.
1990 21 February Skips abolished bus stop opposite Jasmine Rd along Upp Thomson Rd.
1992 20 September Withdrawn under TransitLink Network Integration Exercise Phase 9.

Service 137 (since 2017) Handicapped/disabled access[edit]

Operator Year Date Service changes
SBS Transit
(Current)
2017 21 October Introduced between Sims Pl Ter and Upp East Coast Ter under the LTA's Bus Service Enhancement Programme (BSEP). Wheelchair-accessible at launch.

Short Trip 137A Handicapped/disabled access[edit]

Operator Year Date Service changes
SBS Transit
(Current)
2019 11 February Introduced from New Upp Changi Rd (Bedok Stn Exit B) to Bedok Nth Rd (Bedok Nth Stn Exit A) during morning peak hours on weekdays. Wheelchair-accessible at launch.

Service 138 (1972 - 1974)[edit]

Operator Year Date Service changes
UBC 1972 3 June Introduced between Toa Payoh Town Ctr Ter and Jln Aman (Loop).
SBS 1974 3 February Withdrawn under 1974 Bus Rationalisation.

Service 138 (1978 - 1988)[edit]

Operator Year Date Service changes
SBS 1978 27 July Introduced between Ang Mo Kio Ave 6 Ter and Robinson Rd (Loop), replacing Blue Arrow Service 308.
3 December Amended to ply Mayne Rd and Bt Timah Rd with the partial conversion of Mackenzie Rd to two-way traffic.
1979 11 February Amended to ply the extended Shenton Way, Keppel Rd and Anson Rd, skipping Parsi Rd.
TBC Amended to Ang Mo Kio Ave 3 Ter.
15 October Amended to ply Marymount Rd, converted to a semi-express service operating on weekdays and Saturdays only.
28 October Amended to ply Sungei Rd (towards Robinson Rd) and Bt Timah Rd (towards Ang Mo Kio Ave 3 Ter) with the partial conversion of Bt Timah Rd to two-way traffic and Rochor Canal Rd to one-way traffic, skipping Mackenzie Rd and Mayne Rd.
1981 5 July Amended to Ang Mo Kio Ctrl 2 Ter.
11 October Serves new staggered bus stop outside Tunas Bldg along Anson Rd, skipping the bus stop outside Intl Plaza.
2 November Converted to express service, calling at key bus stops along Ang Mo Kio Ave 3, Ang Mo Kio Ave 6, Anson Rd, Robinson Rd, Collyer Quay, Connaught Dr and Coleman St.
1983 10 April Amended to Ang Mo Kio Int.
1985 15 April Serves all bus stops along Connaught Dr, Collyer Quay, Raffles Quay and Shenton Way.
1986 7 January Serves all bus stops along Marymount Rd.
1988 24 January Withdrawn.

Service 138 (since 1994) Handicapped/disabled access[edit]

Operator Year Date Service changes
SBS 1994 26 April Introduced between Yio Chu Kang Ter and Mandai Lake Rd (Loop).
1 October Amended to Ang Mo Kio Int.
1996 TBC Serves new bus stop outside Jubilee along Ang Mo Kio Ave 8.
1997 TBC Serves new bus stop before Mandai Rd along Mandai Lake Rd.
SBS Transit
(Current)
2002 24 March Amended to Ang Mo Kio Temp Int and amended to ply Ang Mo Kio Ave 3 and Ang Mo Kio Ave 6.
2007 28 April Amended to Ang Mo Kio Integrated Transport Hub.
2011 26 September Designated wheelchair-accessible bus service (WAB).
2018 14 October Skips a pair of abolished bus stops before and after Singapore Zoo along Mandai Lake Rd.

Short Trip 138A (June - October 2009)[edit]

Operator Year Date Service changes
SBS Transit 2009 22 June Introduced from Ang Mo Kio Int to Ang Mo Kio Ave 5 (Opp Blk 604) during evening peak hours on weekdays.
12 October Withdrawn.

Short Trip 138A (since 2012) Handicapped/disabled access[edit]

Operator Year Date Service changes
SBS Transit
(Current)
2012 1 December Introduced from Ang Mo Kio Int to Mandai Lake Rd (Singapore Zoo) on Saturdays, Sundays and Public Holidays. Wheelchair-accessible at launch.
2018 14 October Skips abolished bus stop before Singapore Zoo along Mandai Lake Rd.

Short Trip 138B Handicapped/disabled access[edit]

Operator Year Date Service changes
SBS Transit
(Current)
2015 19 October Introduced from Ang Mo Kio Int to Ang Mo Kio Ave 5 (Opp Blk 604) during evening peak hours on weekdays. Wheelchair-accessible at launch.

Service 139 Handicapped/disabled access[edit]

Operator Year Date Service changes
UBC 1971 21 September Introduced between Toa Payoh Town Ctr Ter and Lengkok Bahru Ter.
28 September Amended to ply the extended Ganges Ave towards Toa Payoh Town Ctr Ter.
SBS 1974 1 October Serves merged bus stop outside Sri Srinivasa Perumal Tp along Serangoon Rd.
1979 11 November Amended to ply Ganges Ave towards Lengkok Bahru Ter with the realignment of Delta Circus.
23 December Amended to Bt Merah Ctrl Ter.
1980 20 January Amended to ply the branch road of Havelock Rd towards Bt Merah Ctrl Ter.
28 September Amended to Bt Merah Int.
1983 26 December Amended to Toa Payoh Int.
1985 TBC Amended to ply Orchard Rd and Penang Rd, skipping Fort Canning Rd.
1991 21 April Amended to ply Bt Merah Ctrl.
1992 TBC Amended to ply Clemenceau Ave towards Toa Payoh Int, skipping Tank Rd.
1993 4 April Integrated with Service 122 and amended to ply River Valley Rd, Delta Rd and Alexandra Rd under TransitLink Network Integration Exercise Phase 12, skipping Havelock Rd, Ganges Ave, Lower Delta Rd and Tiong Bahru Rd.
1997 29 December Amended to ply Ah Hood Rd, Jln Rajah, Whampoa Rd, Jln Bahagia and Kim Keat Rd/Whampoa Dr.
1998 31 May Amended to Toa Payoh Temp Int.
1999 TBC Skips abolished bus stops outside Rajah Maisonette along Jln Rajah and outside Tai Gin Apts and outside Moulmein CC along Ah Hood Rd.
TBC First bus from Toa Payoh Temp Int brought forward to 0530 hrs on weekdays.
2000 TBC Serves additional bus stop outside Blk 4 along Delta Rd.
SBS Transit
(Current)
2002 19 May Amended to Toa Payoh Integrated Transport Hub.
2003 21 June Amended to ply Serangoon Rd, Boon Keng Rd and Bendemeer Rd under North East MRT Line Rationalisation Phase 1.
2007 16 January Skips relocated bus stop outside Dhoby Ghaut Stn along Penang Rd.
2011 16 October Amended to ply Middle Rd, Selegie Rd, Prinsep St and Bras Basah Rd with the partial closure of Bencoolen St to facilitate the construction of Bencoolen MRT station on the Downtown MRT Line.
2013 3 December Designated wheelchair-accessible bus service (WAB).
2016 11 December Amended to ply the reinstated Bencoolen St, skipping Middle Rd, Selegie Rd, Prinsep St and Bras Basah Rd.
2018 28 October Amended to ply McNair Rd and Towner Rd, skipping Serangoon Rd.

Short Trip 139A (2012 - 2014) Handicapped/disabled access[edit]

Operator Year Date Service changes
SBS Transit 2012 27 August Introduced from Toa Payoh Int to Kim Keat Rd (Opp Jumbo Ind Bldg) during evening peak hours on weekdays.
2013 3 December Designated wheelchair-accessible bus service (WAB).
2014 14 September Withdrawn with the introduction of Service 139M.

Short Trip 139A (since 2022) Handicapped/disabled access[edit]

Operator Year Date Service changes
SBS Transit 2022 12 December Introduced from Toa Payoh Int to Jln Bahagia (Bet Blks 33/34) during evening peak hours on weekdays. Wheelchair-accessible at launch.

Service 139M (2014 - 2022) Handicapped/disabled access[edit]

Operator Year Date Service changes
SBS Transit 2014 14 September Introduced between Toa Payoh Int and Jln Bahagia (Loop) under the LTA's Bus Service Enhancement Programme (BSEP). Wheelchair-accessible at launch.
2022 11 December Withdrawn.

Service 140 (1971 - 1988)[edit]

Operator Year Date Service changes
UBC 1971 11 April Introduced between Lor 6 Toa Payoh Ter and Prince Edward Ter under 1971 Bus Reorganisation.
2 August Amended to Toa Payoh Town Ctr Ter.
SBS 1974 24 February Amended to ply Grange Rd, Orchard Blvd and Paterson Rd towards Toa Payoh Town Ctr Ter with the conversion of Orchard Rd to one-way traffic.
8 December Amended to ply Cecil St, skipping Robinson Rd.
1975 21 July Amended to ply Stamford Rd, skipping Coleman St and Armenian St.
1976 14 March Serves new staggered bus stop outside The Cenotaph along Connaught Dr, skipping the bus stop opposite Singapore Cricket Club.
1979 11 February Amended to ply the extended Shenton Way, Palmer Rd and Anson Rd, skipping Parsi Rd.
1983 26 December Amended to Toa Payoh Int, shortened to loop at Orchard Rd and converted into a semi-express service.
1987 13 December Serves new staggered bus stop outside Orchard Stn along Orchard Blvd, skipping the bus stop opposite Orchard Stn.
Serves new bus stop outside Newton Stn along Scotts Rd.
1988 24 January Withdrawn.

Service 140 (since 2014) Handicapped/disabled access[edit]

Operator Year Date Service changes
SBS Transit
(Current)
2014 14 December Introduced between Lor 1 Geylang Ter and St. Wilfred Rd (Loop) under the LTA's Bus Service Enhancement Programme (BSEP).
2015 30 March Designated wheelchair-accessible bus service (WAB).

Service 140A (1971 - 1974)[edit]

Operator Year Date Service changes
UBC 1971 11 April Introduced between Lor 1 Toa Payoh Ter and Stamford Rd (Loop) under 1971 Bus Reorganisation.
2 August Amended to Toa Payoh Town Ctr Ter.
SBS 1974 3 February Re-numbered Service 136 under 1974 Bus Rationalisation.