SBS Transit Bus Service 90A

SBS Transit Bus Service 90A is a Short-Trip Service variant of Bus Service 90.

The route operates from Toa Payoh Bus Interchange and ends at Airport Road (Paya Lebar Air Base), operating only during Weekday & Saturday morning peak hours.

Toa Payoh Int
→ Paya Lebar Air Base
52009 Toa Payoh Int A6 NS19 Lor 6 Toa Payoh
52509 Opp Toa Payoh Swim Cplx Lor 6 Toa Payoh
52329 Opp Toa Payoh Stadium Lor 6 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
71031 Opp Gordon Warehse Bldg Airport Rd
71191 Aft Defu Lane 12 Airport Rd
71181 Opp Paya Lebar Air Base Airport Rd
71041 Opp Air Force Museum Airport Rd
73041 ST Aero Airport Rd
73019 Bef RSAF Roundabout Airport Rd
73049 Air Force Sch Airport Rd
71049 Air Force Museum Airport Rd
71189 Paya Lebar Air Base Airport Rd
Route Overview
Route WAB_logo_20px Toa Payoh Bus InterchangeAirport Road (Paya Lebar Air Base)
Passes Through Jln Toa Payoh, MacPherson Rd
Route Length 9.1 km
Traveling Time 36 mins
Operator Information
BCM Route Package Serangoon – Eunos Bus Package
Current Operator SBS Transit Ltd
Current Depot Braddell Bus Park (BRBP)
Current Fleet 12-metre Single Deck Bus:
– Scania K230UB
12-metre Double Deck Bus:
Volvo B9TL
Operating Hours
Departure Times from Toa Payoh
Weekdays (except Public Holidays) Saturdays
06:08 08:50 06:10 06:30
Fare Information
Fare Charges regular distance fares


Short Trip Service 90A is a trunk service operating from Toa Payoh Bus Interchange and ends at Airport Road (Paya Lebar Air Base).

As a Short-Trip Service, the route operates on Weekdays & Saturdays, during the morning Peak hours, and supplements the high demand for Service 90 from Toa Payoh to industries and military installations around Paya Lebar Airbase.

MRT Station Served
Departure Timings
  • From Toa Payoh Bus Interchange:
    Weekdays (except Public Holidays): 06:08, 06:23, 06:37, 07:00, 07:23, 07:35, 08:21, 08:33 & 08:50
    Saturdays: 06:10 & 06:30


Operator History:
  • 2000 – 2001: Singapore Bus Services Ltd
  • 2001 – Present: SBS Transit Ltd

The Bus Service Operating License (BSOL) for this route will be renewed in 2025 under the Serangoon – Eunos Bus Package.

Route History:
  • 2000: Introduced as a short-trip service from Toa Payoh Temp Int to Airport Rd (RSAF Paya Lebar) during morning peak hours on weekdays and Saturdays
  • 2002 (19 May): Amended to Toa Payoh Integrated Transport Hub
  • 2005: Extended to terminate at Airport Rd (KB Warehouse Cplx)
  • 2007: Skips abolished bus stop before Paya Lebar Rd along Airport Rd to facilitate the construction of KPE
  • 2008: Serves new bus stop after Defu Lane 12 along Airport Rd
  • 2008 (24 Sep): Shortened to terminate at Airport Rd (Paya Lebar Air Base) with the abolition of the bus stop outside KB Warehouse Cplx

Back to Bus Service 90
Back to Bus Services
Back to Bus Articles

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