SBS Transit Bus Service 40



SBS Transit Bus Service 40 is a residential trunk route running from Bedok Interchange and looping at MacPherson Estate, going via Siglap Road, East Coast, Paya Lebar and Aljunied.

^ SBST Mercedes-Benz Citaro (SG1148P) – Service 40

Route Information
Route Bedok Bus Interchange ↺ MacPherson Estate (Loop) 
Passes Through Siglap Road, East Coast, Paya Lebar, Aljunied, Merpati Rd
Route Length 23.2km
Travelling Time 95mins
Operator Information
Current Operator SBS Transit
Current Depot Bedok North Bus Depot (BNDEP)
Current Fleet Scania K230UB
Mercedes-Benz O530 Citaro
Departure Times from T1 0545 – 2330 (Weekdays/Sat)
0600 – 2330 (Sundays/PHs)
Frequency Loop Service
0630-0830: 12 – 14 mins
0831-1659: 14 – 17 mins
1700-1930: 15 – 18 mins
After 1930: 18 – 19 mins

Route History

Service 40 serves MacPherson Estate, Tanjong Katong, East Coast and Siglap Road with connections to nearby MRT stations along the East-West Line, namely Aljunied, Paya Lebar and Bedok. With multiple services duplicating its route across various sections of route, Service 40 fulfills more of a supplementary route and operating at low frequencies throughout the day. It is also the only bus service to serve the full stretch of Siglap Road daily.

Special Departures:

  • Merpati Rd (Aft Jln Anggerek)  Bedok Int
    Weekdays: 0545hrs, 0557hrs, 0609hrs

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

Fleet: Service 40’s fleet comprises Scania K230UB and Mercedes-Benz Citaro buses.

Route Information:

Loop Service
  • Bedok Temp Int
  • New Upp Changi Rd
  • Siglap Rd
  • East Coast Rd
  • Mountbatten Rd
  • Tg Katong Rd
  • Geylang Rd
  • Aljunied Rd
  • Merpati Rd
  • Circuit Rd
  • Pipit Rd
  • Pipit Rd
  • Circuit Rd
  • Mattar Rd
  • Aljunied Rd
  • Sims Ave
  • Tg Katong Rd
  • Mountbatten Rd
  • East Coast Rd
  • Siglap Rd
  • New Upp Changi Rd
  • Bedok Temp Int

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 as part of the 1971 Bus Rationalization between Telok Kurau and Prince Edward Rd, operated by United Bus Company
  • 1973: Operated by Singapore Bus Services (SBS)
  • 1975: Amended to Kampong Chai Chee (Chai Chee Ter)
  • 1983: Shortened to MacPherson Estate.
  • 1985: Extended to Bedok Int due to the closure of Chai Chee Ter.
  • 1992 (Jun): Plies Telok Kurau Rd & Siglap Rd after merging with service 158 (then Bedok – Toa Payoh)
  • 2013: Service improvement under the Bus Service Enhancement Programme (BSEP)
  • 2013 (03 Dec): Designated wheelchair-accessible bus route (WAB)

Past Routings:

  • Refer to this article
  • 1992: Amended to present routing. No significant route changes since 1992.


External Links:

  • TransitLink E-Guide



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Back to Bus Articles


2 thoughts on “SBS Transit Bus Service 40

  1. When can we deployed double deckers since is very high demand when I take, now no longer go Telok Kurau means can have double deckers.

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