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, Tanjong Katong and Aljunied.
40
Bedok Int
↺ Merpati Rd (Loop)
↺ Merpati Rd (Loop)

Route Overview | ||||||||||||
Route ![]() |
Bedok Bus Interchange ↺ Merpati Rd (Loop) | |||||||||||
Passes Through | Siglap Rd, East Coast Rd, Tanjong Katong Rd, Aljunied Rd | |||||||||||
Route Length | 23.4 km | |||||||||||
Travelling Time | 55 mins | |||||||||||
Operator Information | ||||||||||||
BCM Route Package | Bedok Bus Package | |||||||||||
Current Operator | SBS Transit Ltd | |||||||||||
Current Depot | Bedok North Bus Depot (BNDEP) | |||||||||||
Current Fleet | 12-metre Single Deck Bus – Linkker LM312 – Mercedes-Benz Citaro – Scania K230UB |
|||||||||||
Operating Hours | ||||||||||||
Departure Times from Bedok |
Weekdays & Saturdays | Sundays / Public Holidays | ||||||||||
05:45 – 23:30 | 06:00 – 23:30 | |||||||||||
Operating Frequency | ||||||||||||
Loop Service | 6:30am–8.30am | 8.31am–4.59pm | 5.00pm–7.00pm | After 7.00pm | ||||||||
Weekdays | 13 – 14 mins | 13 – 18 mins | 15 – 18 mins | 18 – 23 mins | ||||||||
Saturdays | 14 – 15 mins | 15 – 18 mins | 19 mins | 18 – 22 mins | ||||||||
Sundays / Public Holidays | 16 mins | 14 – 18 mins | 16 mins | 18 – 21 mins | ||||||||
Fare Information |
||||||||||||
Fare | Charges regular distance fares |
Service 40 serves MacPherson Estate, Tanjong Katong, East Coast and Siglap Road with connections to nearby MRT stations. 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.
MRT Stations Served
- EW5 Bedok
- EW9 Aljunied
- DT25 Mattar
- CC10DT26 MacPherson
Special Departures
- Merpati Rd (Aft Jln Anggerek) → Bedok Int
Weekdays: 05:45, 05:57 & 06:09
Gallery
Operator History:
- 11 Apr 1971 – 05 Dec 1971: Singapore Traction Company Pte Ltd
- 06 Dec 1971 – 31 Oct 1973: United Bus Company Pte Ltd
- 01 Nov 1973 – 31 Oct 2001: Singapore Bus Services Ltd
- 01 Nov 2001 – Present: SBS Transit Ltd
The Bus Service Operating License (BSOL) for this route will be renewed in 2023 under the Bedok Bus Package.
History:
- 1971 (11 Apr): Introduced as part of the 1971 Bus Rationalization between Telok Kurau Rd Ter and Prince Edward Rd Ter
- 1971 (06 Dec): Operations transferred to United Bus Company
- 1973 (01 Jul): Extended to Kg Chai Chee Ter
- 1973 (01 Nov): Operated by Singapore Bus Services (SBS)
- 1974 (01 Dec): Extended to Upp Changi Rd Track 6 Ter
- 1974 (08 Dec): Amended to ply the extended Robinson Rd, skipping Market St
- 1975 (16 Nov): Amended to Chai Chee Ter
- 1976 (15 Feb): Serves new staggered bus stop (03071) along Robinson Rd
- 1976 (14 Mar): Serves new staggered bus stop (02027) along Connaught Dr
- 1979 (14 Oct): Amended to ply Lor Sarina and Sims Ave East (towards Chai Chee) with the conversion of Changi Rd to one-way traffic
- 1984 (10 Jun): Shortened to loop at Merpati Rd
- 1985 (08 Sep): Extended to Bedok Int due to the closure of Chai Chee Ter.
- 1992 (03 May): Amended to ply Siglap Rd under TransitLink Network Integration Exercise Phase 7, skipping Telok Kurau Rd and Sims Ave East/Changi Rd.
- 1998: Serve new bus stop (aft Geylang Rd) along Aljunied Rd
- 2003: Serves new bus stop (82089) along Tg Katong Rd
- 2011 (26 Jun): Serves new staggered bus stop outside Kong Hwa Sch along Circuit Rd, skipping the bus stop outside MacPherson Sec Sch
- 2011 (19 Nov): Amended to Bedok Temp Int
- 2013 (03 Dec): Designated wheelchair-accessible bus route (WAB)
- 2014 (30 Nov): Amended to Bedok Integrated Transport Hub
- 2016 (16 Oct): Serves bus stop outside MacPherson Sec Sch along Circuit Rd with the abolition of the bus stop outside Kong Hwa Sch
Back to Bus Services
Back to Bus Articles