SBS Transit Bus Service 122


SBS Transit Bus Service 122 is a residential trunk route from New Bridge Road Ter and looping at Commonwealth Drive, passing through Tiong Bahru, Alexandra Road, Kay Siang Road, Margaret Drive and Commonwealth MRT Station. Introduced on 15 Mar 2015, it is the thirty-eighth bus service to be introduced under the Bus Service Enhancement Programme (BSEP).

Route Information
Route New Bridge Road Bus Terminal ↺ Commonwealth Drive (Loop) 
Passes Through Tiong Bahru, Alexandra Rd, Kay Siang Rd, Margaret Dr, Commonwealth MRT
Route Length 14.7km
Travelling Time 60 mins
Operator Information
Current Operator SBS Transit
Current Depot Ang Mo Kio Depot (AMDEP)
Current Fleet Mercedes-Benz O530 Citaro
Departure Times from T1 0600 – 2330 (Daily)
Loop Service
0630-0830: 11 mins
0831-1659: 11 – 15 mins
1700-1930: 12 – 14 mins
After 1930: 14 – 15 mins

Route History

Service 122 provides residents of Tiong Bahru, Alexandra, and Commonwealth Drive with greater connectivity to Outram Park, Tiong Bahru and Commonwealth MRT Stations, along with other amenities in the vicinity. It is the thirty-eighth (38th) bus service to be introduced under the Bus Service Enhancement Programme (BSEP), and the third new BSEP service originating from New Bridge Road after Service 121.

The inter-town service improves on existing bus connections in certain areas, notably Commonwealth Drive (previously only served by Service 195), and Margaret Drive (previously only served by Service 32), linking residential estates and amenities with transport nodes and enhancing connectivity to these areas. Apart from benefiting new residential developments near Dawson Road, such as the new HDB Skyville and SkyTerrace developments, the route will serve schools – Gan Eng Seng, Manasseh Meyer, Queenstown Primary, Queensway Secondary, Assumption English, Crescent Girls and Alexandra Primary – as well as amenities such as Tiong Bahru Plaza and Singapore General Hospital.

The service also calls at a new pair of bus stops along Kay Siang Road, which had bus stop provisions constructed years ago but did not receive any bus services until now.

No boarding is allowed at New Bridge Rd Terminal. The first stop for commuters to board is at BS 10017 Eu Tong Sen St – Aft Hospital Dr.

Special Departures:

  • Commonwealth Drive (Blk 92)  New Bridge Road Ter
    Weekdays: 0600hrs, 0614hrs
    Saturdays / Eve of PH: 0600hrs, 0613hrs
    Sundays / Public Holidays: 0600hrs, 0611hrs

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

Fleet: Service 122′s fleet comprises Mercedes-Benz Citaros under the BSEP scheme.

Route Information:

Loop Service (via Commonwealth Drive)
  • Eu Tong Sen St
    – New Bridge Rd Ter
    – Aft Hospital Dr
  • Outram Rd
    – Opp Outram Pk Stn
  • Tiong Bahru Rd
    – Blk 55
    – Blk 18
    – Ctrl Green Condo
    – Opp Tiong Bahru Plaza
  • Lower Delta Rd
    – Opp Blk 48
  • Alexandra Rd
    – Gan Eng Seng Sec Sch
    – Delta Sports Hall
    – Opp Tanglin View
  • Tanglin Rd
    – Aft Margaret Dr
  • Kay Siang Rd
    – Aft Tanglin Rd
    – Bef Margaret Dr
  • Margaret Dr
    – Queenstown Pri Sch
    – Opp Queenstown Library
    – The Fisherman Church
    – Queensway Sec Sch
  • Queensway
    – Opp Queensway Sec Sch
  • Commonwealth Dr
    – Blk 92
    – Opp Blk 115B
  • Commonwealth Ave
    – Commonwealth Stn
  • Margaret Dr
    – Opp The Fisherman Ch
    – Queenstown Library
    – Opp Queenstown Pri Sch
  • Kay Siang Rd
    – Aft Margaret Dr
    – Bef Tanglin Rd
  • Tanglin Rd
    – Crescent Girls’ Sch
  • Alexandra Rd
    – Tanglin View
    – Opp Delta Sports Hall
    – Opp Gan Eng Seng Sec Sch
  • Lower Delta Rd
    – Blk 48
  • Tiong Bahru Rd
    – Tiong Bahru Plaza
    – Blk 1
  • Outram Rd
    – Etonhouse Pre-Sch
    – Outram Park Stn
    New Bridge Rd
  • Eu Tong Sen St
    – New Bridge Rd Ter

Operator History:

  • 2015 – Present: SBS Transit Ltd

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



  • 2015 (15 Mar): Introduced under the LTA’s Bus Service Enhancement Programme (BSEP), plying between New Bridge Road Terminal and Commonwealth Drive (Loop).
  • 2015 (22 Jun): Designated wheelchair-accessible bus route (WAB)

Past Routings:

  • Refer to this article
  • 2015: No significant route changes since 2015.


Gallery: (click for larger image)


External Links & References:

  • TransitLink E-Guide
  • SGWiki – Buses

Back to Bus Services
Back to Bus Articles


4 thoughts on “SBS Transit Bus Service 122

    • 5766?

      Anyway, I prefer 122 loop @ Tanglin Halt rather than steal 195 pax from C’wealth Cres side. Route 61 can be straightened.

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