SBS Transit Bus Service 125


SBS Transit Bus Service 125 is a trunk route from St Michael’s Ter and looping at Sims Drive, passing through St Michael’s Estate, Serangoon Road, Genting Lane, Kallang Way and Sims Drive, and returning via Kallang Way, Lorong Bakar Batu, Bendemeer Road and Kitchener Road.

Route Information
Route Saint Michael’s Bus Terminal ↺ Sims Drive (Loop) 
Passes Through St Michael’s Estate, Serangoon Rd, Genting Lane, Kallang Way, Sims Drive
Route Length 17.9km
Travelling Time 80mins
Operator Information
Current Operator SBS Transit
Current Depot Braddell Bus Park (BRBP)
Current Fleet Volvo Olympian
Scania K230UB

Mercedes-Benz O530 Citaro
Departure Times from T1 0600 – 2300 (Daily)
Frequency Loop Service
0630-0830: 11 – 12 mins
0831-1659: 09 – 22 mins
1700-1930: 09 – 19 mins
After 1930: 18 – 22 mins

Route History

Service 125 serves the residents of both St. Michael’s Estate and Sims Drive with connections to Boon Keng MRT and Aljunied MRT, while serving Serangoon Road, Bendemeer Road, Kichener Road and Kallang Way. This route also serves as important connection between Kolam Ayer/Kallang Way Industrial Estates and Aljunied MRT, hence benefiting from heavy peak demand across that sector. A relatively large split-shift fleet copes with the peak hour demand from these industrial areas, along with Shortworking Trip 125A operating only during the AM Peak hours.

This service calls at several bus stops in St. Michael’s Estate twice in different directions, i.e. towards Sims Drive and towards St. Michael’s Ter. Red and white service plates are used to distinguish the direction of travel in addition to Electronic Display Signages (EDS) on buses. Red plate indicates buses heading for Sims Drive; white plate indicates buses heading for St. Michael’s Ter.

125 is also currently the only loop service operating from St. Michael’s Ter.

Special Departures:

  • Sims Drive (Blk 45)   St. Michael’s Ter
    Weekdays: 0555hrs, 0606hrs, 0617hrs
    Sat/Sun/PHs: 0555hrs, 0611hrs

Shortworking Trips:

  • Service 125A: Aljunied Road (Opp Aljunied Station) → MacPherson Road (Bef Siemens Ctr)
    Weekdays AM Peak only
    Frequency: 12 mins

Fare: Charges fares for regular trunk services. See Bus Fares for exact fares.

Fleet: Service 125′s fleet comprises of a majority of Scania K230UBs, with a minority of Volvo Olympian Double decker buses and Mercedes Benz Citaro.

Route Information:

Loop Service
  • St. Michael’s Ter
  • Whampoa Rd
  • Jln Bahagia
  • Kim Keat Rd
  • Balestier Rd
  • Serangoon Rd
  • MacPherson Rd
  • Genting Lane
  • Tannery Rd
  • Kallang Way
  • Aljunied Rd
  • Sims Dr
  • Lor 17 Geylang
  • Sims Ave
  • Sims Ave
  • Aljunied Rd
  • Kallang Way
  • Tannery Rd
  • Lor Bakar Batu
  • MacPherson Rd
  • Bendemeer Rd
  • Jln Besar
  • Kitchener Rd
  • Serangoon Rd
  • Balestier Rd
  • Whampoa Dr
  • Jln Bahagia
  • St. Michael’s Ter

Operator History:

  • 1971 – 1973: United Bus Company Pte Ltd
  • 1973 – 2001: Singapore Bus Services Ltd
  • 2001 – Present: SBS Transit Ltd

The Bus Service Operating License (BSOL) for this route will be renewed in 2016. 



  • 1971 (11 Apr): Introduced between St. Michael’s Est and Delta Circus, operated by United Bus Company
  • 1975: Amended to Telok Blangah Way
  • ???: Amended to Jln Bt Merah via Telok Blangah Way
  • 1980/81: Amended to Bt Merah Int
  • 1985: Amended to St. Michael’s Ter
  • 1993: Shortened to Shenton Way; converted to a daytime weekdays & Saturday service
  • 2000 (Nov): Integrated with Service 20, amended to loop between St. Michael’s and Sims Dr.
  • 2003 (21 Jun): Amended to ply Jln Besar, Kitchener Rd and Serangoon Rd, under Phase 1 of NEL Rationalisation
  • 2011 (29 Mar): Extended service operations to Sundays & Public Holidays.
  • 2012 (25 Jun): Designated wheelchair-accessible bus route (WAB)
  • 2013 (Sep): Start of Double decker buses deployment

Past Routings:

  • Refer to this article
  • 2003: Amended to present routing. No significant route changes since 2003.




External Links & References:

  • TransitLink E-Guide
  • SGWiki – Buses

Back to Bus Services
Back to Bus Articles


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