SBS Transit Bus Service 31

SBS Transit Bus Service 31 is a trunk route between Tampines and Toa Payoh, passing through Tanah Merah, Marine Parade, Old Airport and Boon Keng. With service 8 and 28, it is one of three services between these two interchanges.

Technical Information
Route	Tampines Bus Interchange ↔ Toa Payoh Bus Interchange
Passes Through	Tanah Merah, Marine Parade, Old Airport, Geylang, Boon Keng
Route Length	23.0 km (D1) | 23.2 km (D2)
Traveling Time	95 mins
Operator Information
BCM Route Package	Tampines Bus Package
Current Operator	SBS Transit Ltd
Current Depot	Bedok North Bus Depot (BNDEP) Braddell Bus Park (BRBP)
Current Fleet	12-metre Single Deck Bus: – Mercedes-Benz O530 Citaro – Scania K230UB 12-metre Double Deck Bus: – Volvo B9TL – Volvo B10TL
Departure Times from Tampines	0530hrs – 2330hrs (Daily)
Departure Times from Toa Payoh	0530hrs – 2335hrs (Weekdays) 0530hrs – 2330hrs (Saturdays, Sundays & Public Holidays)
Frequency	Direction 1	Direction 2
	0630-0830: 06 – 11 mins 0831-1659: 06 – 17 mins 1700-1900: 09 – 11 mins After 1900: 14 – 15 mins	0630-0830: 09 mins 0831-1659: 08 – 16 mins 1700-1900: 09 – 10 mins After 1900: 13 – 17 mins

Service 31 is a inter-town trunk route between Tampines and Toa Payoh, passing through Simei Avenue, Bedok, Marine Parade, Tanjong Katong, Old Airport, Kallang and Boon Keng. Notable sectors of high demand include: Between Tampines Interchange and Tanah Merah Station (serving students of ITE College East), and between Bedok MRT and Marine Parade. Double-deck buses make up the majority of the fleet owing to high demand throughout the day.

Due to exceedingly high demand between Tampines Interchange and ITE College East, Short Trip Service 31A operates during school days with up to five buses. These same buses do downroute trips from Tanah Merah Station to Tampines during the afternoons and evenings.

MRT Stations Served:

• EW2DT32 Tampines
• EW4CG Tanah Merah
• EW5 Bedok
• CC8 Dakota
• CC7 Mountbatten
• EW10 Kallang
• NE9 Boon Keng
• NS19 Toa Payoh

Special Departures

• New Upp Changi Road (Bedok Stn Exit A) → Toa Payoh Int
  Weekdays: 0530hrs, 0542hrs
  Saturdays: 0530hrs, 0540hrs
• Old Airport Road (Blk 39) → Tampines Int
  Weekdays: 0530hrs, 0545hrs
  Saturdays: 0540hrs
  Sundays & Public Holidays: 0540hrs, 0547hrs
• New Upp Changi Rd (Tanah Merah Stn Exit B) → Tampines Int
  Weekdays: 0707hrs, 0717hrs, 0727hrs, 0739hrs, 0748hrs, 0757hrs, 0807hrs, 0818hrs, 0826hrs, 0835hrs, 0843hrs, 0902hrs, 0913hrs, 0922hrs, 0946hrs, 1004hrs, 1016hrs, 1209hrs, 1224hrs, 1245hrs, 1313hrs, 1328hrs, 1349hrs, 1410hrs, 1425hrs, 1440hrs, 1447hrs, 1525hrs, 1527hrs, 1534hrs, 1552hrs, 1602hrs, 1604hrs, 1625hrs, 1629hrs, 1639hrs, 1641hrs, 1646hrs, 1658hrs, 1706hrs, 1721hrs, 1725hrs, 1732hrs, 1742hrs, 1750hrs, 1800hrs, 1804hrs, 1810hrs, 1821hrs, 1833hrs, 1848hrs, 1854hrs, 1858hrs, 1918hrs, 1927hrs, 1951hrs

Short Trip Service

• Service 31A: Tampines Int → New Upp Changi Road (Tanah Merah Stn Exit A)
  Weekdays: 0644hrs, 0655hrs, 0704hrs, 0714hrs, 0723hrs, 0732hrs, 0742hrs, 0753hrs, 0801hrs, 0810hrs, 0818hrs, 0838hrs, 0848hrs, 0858hrs, 0909hrs, 0922hrs, 0940hrs, 0952hrs, 1014hrs, 1037hrs, 1051hrs, 1120hrs

Fare: Charges basic distance fares. See Bus Fares.

Gallery:

Operator History:

• 1970s – 1973: Associated Bus Services 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 2024 under the Tampines Bus Package.

History:

• 1971 (11 Apr): Introduced as part of the 1971 Bus Reorganization, ran between Changi Rd and Prince Edward Rd under Associated Bus Services Ltd
• 1971: Extended to loop at Outram Park
• 1973: Operated by Singapore Bus Services (SBS)
• 1979 (25 Feb): Extended to Bedok Interchange and shortened to loop at Kallang Park (near Kallang Sports Complex)
• 1985: Extended to Tampines Ave 5 Ter
• 1987 (29 Nov): Amended to Tampines Int
• 1993: Extended to Toa Payoh Int, skipping Kallang Sports Complex
• 1998 (31 May): Extended to Toa Payoh Temp Int
• 2002 (19 May): Terminus relocated to air-conditioned Toa Payoh Integrated Transport Hub (ITH)
• 2005 (26 Jun): Amended to Sims Way between Kallang and Guillemard Rd, skipping Mountbatten Rd due to road realignment works in the area
• 2006 (19 Mar) to 2008 (28 Dec): Diverted via Cassia Link, Guillemard Rd and Guillemard Camp Rd in both directions due to the construction of Dakota MRT Station.
• 2013: Service improvement under the Bus Service Enhancement Programme (BSEP)
• 2015 (22 Jun): Designated wheelchair-accessible bus route (WAB)

Past Routings:

• Refer to this article
• 1993: Amended to present routing. No significant route changes since 1993.

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