SBS Transit Bus Service 90

SBS Transit Bus Service 90 is a trunk route from Toa Payoh Int and looping at Airport Road, passing through Jalan Toa Payoh and MacPherson Rd.

Bus Service 90: Toa Payoh ↺ Airport Road (Loop)
From Toa Payoh Looping at Airport Road 
  •  Lor 6 Toa Payoh
    – Toa Payoh Int NS19
    – Opp Toa Payoh Swim Cplx
    – Opp Toa Payoh Stadium
  • Jln Toa Payoh
    – Aft Blk 195
    – St. Andrew’s Village
  • MacPherson Rd
    – Aft Tai Thong Cres
    – Opp Gulab Bldg
    – Opp Cencon Bldg
    – Aft Jln Muhibbah
    – Bef Davidson Rd
    – Citimac Ind Cplx
  • Airport Rd
    – Aft Paya Lebar Rd
    – Blk 1022
    – Opp Comfort Test Ctr
    – Opp Gordon Warehse Bldg
    – Aft Defu Lane 12
    – Opp Paya Lebar Air Base
    – Opp Air Force Museum
    – ST Aero
  • Airport Rd
    – Bef RSAF Roundabout
    – Air Force Sch
    – Air Force Museum
    – Paya Lebar Air Base
    – Comfort Test Ctr
    – Opp Blk 1022
  • MacPherson Rd
    – MacPherson Green Condo
    – Aft Jln Belangkas
    – Opp Jln Muhibbah
    – Cencon Bldg
    – Gulab Bldg
    – Bef Siemens Ctr
  • Jln Toa Payoh
    – Opp St. Andrew’s Village
    – Opp Blk 195
  • Lor 6 Toa Payoh
    – Toa Payoh Stadium
    – Toa Payoh Swim Cplx
    – Toa Payoh Int NS19


Technical Information
Route WAB_logo_20px
Toa Payoh Bus Interchange  Airport Road (Loop)
Passes Through Jln Toa Payoh, MacPherson Rd
Route Length 16.3 km
Traveling Time 70 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 Double Deck Bus:
Volvo B9TL
Volvo B10TL
12-metre Single Deck Bus:
Mercedes-Benz O530 Citaro
Scania K230UB
Departure Times from Toa Payoh
0600hrs – 2330hrs (Daily)
Frequency Loop Service
0630-0830: 11 – 12 mins
0831-1659: 07 – 17 mins
1700-1900: 07 – 11 mins
After 1900: 17 – 18 mins


Service 90 plies between Toa Payoh and Paya Lebar Airbase, providing bus connections to staff working at industries along Airport Road along with Service 94. Demand is concentrated around the peak hours, with large numbers of split-shift buses catering towards the office crowds.

The service also connects the whole of MacPherson Road to Toa Payoh along with Service 8. Double decks have been deployed since 2013.

Fare: Charges basic distance fares. See Bus Fares. Calculate your bus fare using LTA’s fare calculator on here.

MRT Station Served
Special Departures
  • Airport Rd (Bef RSAF Roundabout) → Toa Payoh Int
    Weekdays: 1624hrs, 1638hrs
    Saturdays: 1209hrs, 1224hrs
SBST Volvo Olympian 3-axle (SBS9624S) - Service 90A
SBST Volvo Olympian 3-axle (SBS9624S) – Service 90A
Short Trip Service
  • Service 90A: Toa Payoh Int → Airport Rd (Paya Lebar Air Base)
    Weekdays AM Peak Only





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 2025 under the Serangoon – Eunos Bus Package.

  • 1993 (23 May): Introduced as Toa Payoh – Airport Rd (Loop).
  • 1998 (31 May): Terminus relocated to Toa Payoh Temp Int
  • 2002 (19 May): Terminus relocated to air-conditioned Toa Payoh Integrated Transport Hub (ITH)
  • 2011 (04 Sep): No longer calls at the bus stop after Moonstone Lane along Serangoon Rd due to the closure of Whampoa North.
  • 2013: Service improvement under the Bus Service Enhancement Programme (BSEP)
  • 2013 (03 Dec): Designated wheelchair-accessible bus route (WAB)
Past Routings

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