SBS Transit Bus Service 251

SBS Transit Bus Service 251 is a Jurong Industrial Service running from Boon Lay Bus Interchange and looping at Shipyard Rd, passing through Boon Lay Way and Tanjong Kling Road.

Boon Lay Int
↺ Shipyard Rd (Loop)
22009 Boon Lay Int B5 EW27 Jurong West Ctrl 3
22499 Opp Blk 662C EW27 Jurong West St 64
22569 Opp Blk 660 CP Boon Lay Way
22559 Opp Blk 657 CP Boon Lay Way
22549 Opp Blk 655 CP Boon Lay Way
22189 Pioneer Junction Pioneer Rd Nth
22179 Secura S'Pore Pioneer Rd Nth
22169 Aft Intl Rd Pioneer Rd Nth
22159 Opp Hitachi Pioneer Rd
22149 Bef Jln Buroh Pioneer Rd
23279 Bef Benoi Sector Pioneer Rd
23269 Exxon Mobil Pioneer Rd
23259 Bef Shipyard Rd Pioneer Rd
23439 Opp SML Shipyard Ltd Shipyard Rd
23429 Opp EMAS Marine Base Shipyard Rd
23419 Bef Shipyard Cres Shipyard Rd
23409 Mobil Marine Ter Shipyard Rd
23399 Keppel Offshore & Marine Shipyard Rd
23389 PEC Ltd Shipyard Rd
22091 Aft Jln Samulun Shipyard Rd
22401 Aft Shipyard Rd Tg Kling Rd
22391 Bef Jln Buroh Tg Kling Rd
22141 Aft Jln Buroh Pioneer Rd
22151 Hitachi Pioneer Rd
22161 Aft Lok Yang Way Pioneer Rd Nth
22171 Opp Secura S'pore Pioneer Rd Nth
22181 S'pore Post Pioneer Rd Nth
22541 Blk 655 Boon Lay Way
22551 Blk 657 Boon Lay Way
22561 Blk 660 Cp Boon Lay Way
22491 Blk 662D EW27 Jurong West St 64
22009 Boon Lay Int EW27 Jurong West Ctrl 3
Route Overview
Route WAB_logo_20px Boon Lay Bus Interchange ↺ Shipyard Road (Loop)
Passes Through Boon Lay Way, Pioneer Rd Nth, Pioneer Rd
Route Length 13.0 km
Travelling Time 50 mins
Operator Information
BCM Route Package Jurong West Bus Package
Current Operator SBS Transit Ltd
Current Depot Soon Lee Bus Park (SLBP)
Current Fleet Double Deck Bus
Volvo B9TL
Operating Hours
Departure Times from Boon Lay
05:45 – 23:25
Operating Frequency
Loop Service 6:30am–8.30am 8.31am–4.59pm 5.00pm–7.00pm After 7.00pm
Weekdays 6 8 mins 7 14 mins 8 11 mins 11 21 mins
Saturdays 11 13 mins 10 16 mins 11 17 mins 16 23 mins
Sundays / Public Holidays 12 15 mins 12 16 mins 12 17 mins 17 24 mins
Fare Information
Fare Charges regular distance fares

Service 251 serves the industrial areas around Shipyard Road within the Jurong Industrial Estate, connecting them to Jurong West Town Centre. The route serves many shipbuilding industries, and offers scenic views of ExxonMobil’s Jurong refinery.

As an industrial service, demand is high during the peak hours, and relatively low during off-peak hours.

MRT Station Served
Special Departures
  • Pioneer Rd North (S’pore Post) → Boon Lay Int
    Weekdays: 05:55 & 06:08
    Saturdays: 05:55 & 06:07
    Sundays / Public Holidays: 05:55


Operator History
  • 1978 – 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 Jurong West Bus Package.

SMRT Buses will operate this service as the awarded operator for the Jurong West Bus Package in September 2024.

  • 1978 (01 Jun): Introduced between Jurong Int and Refinery Rd (Loop)
  • 1987 (12 Apr): Serves 5 additional pairs of bus stops along Jln Ahmad Ibrahim
  • 1990 (01 Jul): Amended to Boon Lay Int
  • 2001 (11 Feb): Integrated with Service 253 and extended to loop at Benoi Rd, skipping Refinery Rd
  • 2005: Amended to ply Jln Buroh and Tg Kling Rd, skipping Liu Fang Rd
  • 2006: Serves new pair of bus stops before and after Jln Buroh along Tg Kling Rd
  • 2006 (18 Jun): Amended to Boon Lay Temp Int
  • 2006 (15 Nov): Serves new pair of bus stops before and after Jln Buroh along Pioneer Rd
  • 2009 (27 Dec): Amended to Boon Lay Integrated Transport Hub
  • 2015 (12 Dec): Shortened to loop at Shipyard Rd and amended to ply Jurong West St 64, Boon Lay Way and Pioneer Rd North, skipping Jln Ahmad Ibrahim and Benoi Rd
  • 2016 (25 Jan): Designated wheelchair-accessible bus route (WAB)

Past Routings

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