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.
|Route||Toa Payoh Bus Interchange → Airport Road (Paya Lebar Air Base)|
|Passes Through||Jln Toa Payoh, MacPherson Rd|
|Route Length||9.1 km|
|Traveling Time||36 mins|
|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:
– MAN A95
– Volvo B9TL
|Departure Times from Toa Payoh
||Weekdays (except Public Holidays)||Saturdays|
|06:08 – 08:50||06:10 – 06:30|
|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
- NS19 Toa Payoh
- 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
- 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.
- 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