SBS Transit Bus Service 139M


SBS Transit Bus Service 139M is a trunk service plying between Toa Payoh Interchange and looping at Jalan Bahagia, passing through Balestier Road and Jalan Rajah. It is a route variant of Service 139, introduced under the Bus Service Enhancement Programme (BSEP) and launched on Sunday, 14 September 2014.

^ SBST Mercedes-Benz Citaro (SBS6479P) – Service 139M, with advert wrap for LTA’s Color Your Bus campaign

Route Information
Route Toa Payoh Bus Interchange ↺ Jalan Bahagia (Loop)  
Passes Through Jln Toa Payoh, Balestier Rd, Jln Rajah
Route Length 8.0km
Travelling Time 30mins
Operator Information
Current Operator SBS Transit
Current Depot Braddell Bus Park (BRBP)
Current Fleet Mercedes-Benz O530 Citaro
Departure Times from T1 Weekdays & Sat: 5:35am – 11:00pm
Sundays/PHs: 5:45am – 11:00pm
Frequency Loop Service
0630-0830: 10 – 19 mins
0831-1659: 12 – 20 mins
1700-1930: 10 – 20 mins
After 1930: 12 – 18 mins


  • 2014 (14 Sep): Introduced between Toa Payoh Int and St. Michael’s Estate under the BSEP.

Service 139M provides residents of St. Michael’s Estate and Balestier Road with greater connectivity to Toa Payoh MRT and Interchange, along with other amenities in the neighborhood. The route serves HDB Hub, Toa Payoh Town Park, Sun Yat Sen Nanyang Memorial Hall, HomeTeamNS – JOM@Balestier and Whampoa CC. This bus service is introduced under the Bus Service Enhancement Programme (BSEP), as well as the third M-suffixed service under the BSEP.

The service duplicates Service 139, relieving demand and improving reliability of bus services for commuters along 139’s most crowded stretches of route. With Service 139 operating at low headway during most parts of the day, 139M will enhance connections along the high demand sectors between Toa Payoh and St. Michael’s Estate.

As a route variant of Service 139, this service is wheelchair-accessible as of introduction. Shortworking trip 139A bas been withdrawn after the introduction of 139M due to duplication.

Route variants:

  • Service 139: Toa Payoh Bus Interchange ↔ Bukit Merah Bus Interchange

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

Fleet: Service 139M’s fleet comprises of BSEP Mercedes-Benz Citaros. These buses were registered with the 63XX registration plates onwards and their purchase funded by the BSEP scheme.

Route Information:

Loop Service (via Jalan Bahagia)
  • Lor 6 Toa Payoh (Toa Payoh Int)
  • Jln Toa Payoh (opp Trellis Twrs)
  • Jln Datoh (express)
  • Balestier Rd (Balestier Ctr)
  • Balestier Rd (opp Moulmein CC)
  • Jln Rajah (Blk 102)
  • Jln Rajah (Blk 105)
  • Whampoa Rd (Blk 114)
  • Jln Bahagia (Blk 29)
  • Jln Bahagia (bet Blks 33/34)
  • Jln Rajah (Curtin S’pore)
  • Jln Rajah (opp Blk 102)
  • Ah Hood Rd (opp EASB)
  • Balestier Rd (aft Irrawaddy Rd)
  • Thomson Rd (opp Tan Tong Meng Twr)
  • Jln Toa Payoh (Trellis Twrs)
  • Lor 6 Toa Payoh (Toa Payoh Int)

Operator History:

  • 2014 – Present: SBS Transit Ltd

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





  • 2014 (14 Sep): Introduced between Toa Payoh Int and St. Michael’s Estate under LTA’s Bus Service Enhancement Programme (BSEP)


External Links:

  • TransitLink E-Guide



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Back to Bus Articles


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