SBS Transit Bus Service 151

SBS Transit Bus Service 151 is a trunk service plying between Hougang Central Int and Kent Ridge Ter, passing through Hougang Avenue 5, 7 & 3, MacPherson, PIE, Whitley, Bukit Timah, Clementi Road and National University of Singapore. An express route variant, Service 151e, is also operated.

151
64009 Hougang Ctrl Int B6 NE14 Hougang Ctrl
64249 Blk 327 Hougang Ave 5
64239 Opp Blk 316 Hougang Ave 7
64209 Aft Defu Ave 1 Tampines Rd
63071 Opp Blk 248 Hougang Ave 3
63081 Opp Blk 241 Hougang Ave 3
63091 Opp Blk 106 Hougang Ave 3
63101 Opp Blk 169 Hougang Ave 3
62231 Bef S'pore Girls' Hme Hougang Ave 3
62241 SBST Hougang Depot Hougang Ave 3
71051 Aft Kim Chuan Rd Hougang Ave 3
71029 Comfort Test Ctr Airport Rd
71179 Aft Scdf Hq Airport Rd
70149 MacPherson Green Condo MacPherson Rd
70139 Aft Jln Belangkas MacPherson Rd
70129 Opp Jln Muhibbah MacPherson Rd
70119 Cencon Bldg MacPherson Rd
70109 Gulab Bldg MacPherson Rd
60219 Bef Siemens Ctr MacPherson Rd
60089 Opp St. Andrew's Village Jln Toa Payoh
52089 Opp Blk 195 Jln Toa Payoh
52079 Opp Trellis Twrs Jln Toa Payoh
51099 Catholic JC Whitley Rd
40249 St. Joseph'S Instn Whitley Rd
40239 Aft Tanglin CC Whitley Rd
40091 Bef Lewis Rd Bt Timah Rd
41011 NUS Bt Timah Campus Bt Timah Rd
41021 Botanic Gdns Stn CC19DT9 Bt Timah Rd
41031 Bef Crown Ctr Bt Timah Rd
41041 Coronation Plaza Bt Timah Rd
41051 Tan Kah Kee Stn DT8 Bt Timah Rd
41061 Chinese High Sch Bt Timah Rd
41071 Opp Natl JC Bt Timah Rd
41081 Sixth Ave Stn DT7 Bt Timah Rd
42011 Sixth Ave Ctr Bt Timah Rd
42021 Aft Maple Ave Bt Timah Rd
42031 The Tessarina Bt Timah Rd
42041 The Nexus Bt Timah Rd
42051 King Albert Pk Stn DT6 Bt Timah Rd
42061 King Albert Pk Bt Timah Rd
42149 Aft Bt Timah Rd Clementi Rd
12109 Opp Ngee Ann Poly Clementi Rd
12099 Opp SIM HQ Clementi Rd
12089 Opp Maju Camp Clementi Rd
12079 Opp Blk 116 Clementi Rd
12069 Opp Blk 109A Clementi Rd
17119 Opp Blk 343 Clementi Rd
17109 Opp Blk 352 Clementi Rd
17099 Yale-NUS College Clementi Rd
16161 NUS Museums Kent Ridge Cres
16171 Yusof Ishak Hse Kent Ridge Cres
16181 Ctrl Lib Kent Ridge Cres
16191 Opp NUS Fac Of Architect Kent Ridge Cres
16009 Kent Ridge Ter Clementi Rd
16009 Kent Ridge Ter Clementi Rd
16199 NUS Fac Of Design & Env Kent Ridge Cres
16189 Information Technology Kent Ridge Cres
16179 Opp Yusof Ishak Hse Kent Ridge Cres
16169 NUS Raffles Hall Kent Ridge Cres
17091 Aft Clementi Ave 1 Clementi Rd
17101 Blk 352 Clementi Rd
17111 Blk 343 Clementi Rd
12061 Blk 109 Clementi Rd
12071 Blk 116 Clementi Rd
12081 Maju Camp Clementi Rd
12091 SIM HQ Clementi Rd
12101 Ngee Ann Poly Clementi Rd
42141 Bef Dunearn Rd Clementi Rd
42059 Opp King Albert Pk Stn DT6 Dunearn Rd
42049 Hua Guan Gdns Dunearn Rd
42039 Opp The Nexus Dunearn Rd
42029 Aft Swiss Club Rd Dunearn Rd
42019 Opp Sixth Ave Stn DT7 Dunearn Rd
41089 Aft Jln Naga Sari Dunearn Rd
41079 Natl JC Dunearn Rd
41069 Opp Tan Kah Kee Stn DT8 Dunearn Rd
41049 Opp Coronation Plaza Dunearn Rd
41029 Opp Botanic Gdns Stn CC19DT9 Dunearn Rd
41019 Aft Kheam Hock Rd Dunearn Rd
40099 Aft Dunkirk Ave Dunearn Rd
40231 Raffles Town Club Whitley Rd
51091 Opp Catholic JC PIE
51101 Bef Thomson Flyover PIE
52071 Trellis Twrs Jln Toa Payoh
52081 Aft Blk 195 Jln Toa Payoh
60081 St. Andrew's Village Jln Toa Payoh
60211 Aft Tai Thong Cres MacPherson Rd
70101 Bef Jln Wangi MacPherson Rd
70111 Opp Cencon Bldg MacPherson Rd
70121 Aft Jln Muhibbah MacPherson Rd
70131 Bef Davidson Rd MacPherson Rd
70141 Citimac Ind Cplx MacPherson Rd
71011 Aft Paya Lebar Rd Airport Rd
71171 Opp Scdf Hq Airport Rd
71021 Opp Comfort Test Ctr Airport Rd
71069 Aft Airport Rd Hougang Ave 3
71059 Bef Kim Chuan Rd Hougang Ave 3
62249 Opp SBST Hougang Depot Hougang Ave 3
62239 Opp S'pore Girls' Hme Hougang Ave 3
63109 Blk 172 Hougang Ave 3
63099 Blk 106 Hougang Ave 3
63089 Blk 241 Hougang Ave 3
63079 Blk 248 Hougang Ave 3
64201 Aft Hougang Ave 3 Tampines Rd
64231 Blk 316 Hougang Ave 7
64241 Blk 308 Hougang Ave 5
64009 Hougang Ctrl Int NE14 Hougang Ctrl
Route Overview
Route WAB_logo_20px Hougang Central Bus Interchange ↔ Kent Ridge Bus Terminal
Passes Through Hougang Ave 3, MacPherson Rd, Jln Toa Payoh, Bukit Timah Rd, Clementi Rd, Kent Ridge Cres
Route Length Towards Kent Ridge: 25.2 km Towards Hougang Ctrl: 25.7 km
Travelling Time 90 mins
Operator Information
BCM Route Package Sengkang–Hougang Bus Package
Current Operator SBS Transit Ltd
Current Depot Hougang Bus Depot (HGDEP)
Ulu Pandan Bus Depot (UPDEP)
Current Fleet 12-metre Single Deck Bus
MAN A22
Mercedes-Benz Citaro
Scania K230UB
12-metre Double Deck Bus
MAN A95
Volvo B9TL
Operating Hours
Departure Times from Hougang Central
Daily
05:45 – 23:00
Departure Times from Kent Ridge
Weekdays Saturdays & Sundays / Public Holidays
06:15 – 23:00 06:30 – 23:00
Operating Frequency
From Hougang Central
6:30am–8.30am 8.31am–4.59pm 5.00pm–7.00pm After 7.00pm
Weekdays 6 11 mins 6 16 mins 8 10 mins 15 16 mins
Saturdays 13 16 mins 11 17 mins 17 18 mins 13 14 mins
Sundays / Public Holidays 13 14 mins 12 15 mins 12 18 mins 14 18 mins
From Kent Ridge
6:30am–8.30am 8.31am–4.59pm 5.00pm–7.00pm After 7.00pm
Weekdays 7 13 mins 8 16 mins 8 9 mins 10 20 mins
Saturdays 10 14 mins 10 19 mins 15 16 mins 13 16 mins
Sundays / Public Holidays 13 14 mins 12 15 mins 13 18 mins 13 16 mins
Fare Information
Fare Charges regular distance fares

 

Service 151 serves both residential estates and many schools between Hougang Central and Kent Ridge, passing through Hougang Avenue 3, MacPherson, PIE, Bukit Timah, Clementi Road and Kent Ridge Cres. The service provides bus connections to many institutions along the Bukit Timah and Clementi Road academic belt, as well as serving within the National University of Singapore (Kent Ridge Campus).

Demand for this service is very strong during the peak hours with student demand in addition to workers commuting between Hougang and the industrial estates near Tai Seng and MacPherson Road. During offpeak hours, demand is moderate to weak. As such, the route is operated by a large split-shift fleet on regular weekdays, with reduced numbers during school holidays.

An express version of this service, 151e, also operates during the weekday peak hours. It skips Dunearn Rd/Bukit Timah Rd (plying the PIE instead), and stops along MacPherson Rd in both directions.

MRT Stations Served
Special Departures
  • Hougang Ave 3 (Bef S’pore Girls’ Hme) → Kent Ridge Ter
    Weekdays: 05:50
  • Bt Timah Rd (NUS Bt Timah Campus) → Kent Ridge Ter
    Weekdays: 07:55, 08:10, 08:25, 08:35, 08:55, 09:13, 09:26 & 10:20
  • Clementi Rd (Blk 352) Hougang Ctrl Int
    Weekdays: 06:05 & 06:15
Route Variant
  • Express 151e: Hougang Ctrl Int ⇌ Kent Ridge Ter
    Weekday Peak Hours (except Public Holidays)

Gallery:

Operator History:
  • 1993 – 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 Sengkang–Hougang Bus Package.

History:
  • 1993 (04 Apr): Introduced between Hougang Int and Kent Ridge Ter under TransitLink Network Integration Exercise Phase 12
  • 1994 (11 Sep): Amended to ply Kent Ridge Cres
  • 2004 (15 Feb): Extended to Hougang Central Int with the closure of Hougang South Int via Tampines Rd, Hougang Ave 7 and Ave 5
  • 2007: Skips abolished bus stop before Paya Lebar Rd along Airport Rd to facilitate the construction of KPE
  • 2010 (02 Dec): Designated wheelchair-accessible bus route (WAB)
  • 2011 (04 Sep): Amended to skip Bendemeer Rd, Whampoa North and Serangoon Rd towards Kent Ridge Ter with the permanent closure of Whampoa North; Serves new bus stop outside Botanic Gdns Stn along Bt Timah Rd

Past Routings

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