SBS Transit Bus Service 45A

SBS Transit Bus Service 45A is a Short-Trip Service variant of Bus Service 45.

The route operates from Lorong Ah Soo (Opp Blk 115) and ends at Upper Serangoon Road (S’goon Stn Exit A/Blk 413), operating only during weekday morning peak hours.

Opp Blk 115
→ S'Goon Stn Exit A/Blk 413
63291 Opp Blk 115 Lor Ah Soo
63301 Paya Lebar Girls' Sch Lor Ah Soo
62221 Opp The Minton Lor Ah Soo
62051 Aft Jln Chermat Upp Paya Lebar Rd
62149 Forest Woods Upp S'goon Rd
62139 Serangoon Stn Exit A/Blk 413 NE12CC13 Upp S'goon Rd
Route Overview
Route WAB_logo_20px Lorong Ah Soo (Opp Blk 115) → Upper Serangoon Road (S’goon Stn Exit A/Blk 413)
Passes Through Upp Paya Lebar Rd
Route Length 1.8 km
Traveling Time 10 mins
Operator Information
BCM Route Package Bedok Bus Package
Current Operator SBS Transit Ltd
Current Depot Ang Mo Kio Bus Depot (AMDEP)
Bedok North Bus Depot (BNDEP)
Current Fleet 12-metre Double-Deck Bus:
– Volvo B9TL
Operating Hours
Departure Times from Lor Ah Soo
Weekdays (except Public Holidays)
06:47 – 07:59
Fare Information
Fare Charges regular distance fares


Short Trip Service 45A is a trunk service operating from Lorong Ah Soo (Opp Blk 115) and ends at Upper Serangoon Road (S’goon Stn Exit A/Blk 413) on Weekday mornings.

As a Short-Trip Service, the route operates during Weekday Morning Peak hours and supplements the high demand for Service 45 from residential estates along Lorong Ah Soo, connecting residents to Serangoon MRT Station along the North East Line and Circle Line. Apart from Services 45 and 45A, the connection between Lorong Ah Soo and Serangoon MRT is also offered by Service 53 and 53M.

Departure Timings
  • From Lorong Ah Soo (Opp Blk 115):
    Weekdays, except Public Holidays: 06:47, 06:59, 07:05, 07:14, 07:23, 07:32, 07:41 & 07:59
MRT Station Served


Operator History:
  • 2010 – Present: SBS Transit Ltd
Route History:
  • 2010 (28 Jun): Introduced from Lorong Ah Soo (Opp Blk 115) to Upper Serangoon Road (S’goon Stn)
  • 2019 (11 Mar): Revised operating hours of 0647hrs – 0759hrs (from 0647hrs – 0740hrs)

Back to Bus Service 45
Back to Bus Services
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