SBS Transit Bus Service 73

SBS Transit Service 73 is a trunk route running from Ang Mo Kio Int and looping at Toa Payoh Int, passing through Serangoon North Ave 4, Serangoon Gardens Way, Lorong Chuan and Lorong 4 Toa Payoh.

Route Information
Route Ang Mo Kio Bus Interchange  Toa Payoh Bus Interchange (Loop)  
Passes Through Serangoon North Ave 4, Serangoon Gardens Way, Lorong Chuan and Lorong 4 Toa Payoh
Route Length 24.9km
Travelling Time 110mins
Operator Information
Current Operator SBS Transit
Current Depot Ang Mo Kio Bus Depot (AMDEP)
Current Fleet Scania K230UB
Departure Times from T1 0530 – 2345 (Daily)
Departure Times from TPY Int 0545 – 0000 (Weekdays, Saturdays)
0600 – 0000 (Sundays/PHs)
Frequency Loop Service
0630-0830: 10 – 16 mins
0831-1659: 09 – 12 mins
1700-1930: 09 – 11 mins
After 1930: 10 – 12 mins

Service 73 is a residential route between Toa Payoh and Ang Mo Kio, serving housing areas of Serangoon North, Serangoon Gardens, Lorong Chuan and Lorong 4 Toa Payoh with connections to Ang Mo Kio and Toa Payoh Interchanges & MRT stations.

From 2330hrs, buses leaving Ang Mo Kio Int will terminate at Toa Payoh Int.

Special Departures:

  • Toa Payoh Int → Ang Mo Kio
    Weekdays: 0545hrs, 0555hrs, 0604hrs
    Saturdays: 0545hrs, 0556hrs
    Sundays/PHs: 0600hrs
  • Serangoon North Ave 4 (Blk 504A CP)  Ang Mo Kio
    Weekdays: 0515hrs, 0529hrs, 0543hrs, 0557hrs
    Saturdays: 0555hrs

Fare: Charges fares for regular trunk services. See Bus Fares for exact fares.

Fleet: Service 73′s fleet comprises of a full fleet of Scania K230UBs. Double-decks are not deployed due to height restrictions underneath Braddell Flyover.

Route Information:

Loop Service
  • Ang Mo Kio Int
  • Ang Mo Kio Ave 3
  • Serangoon North Ave 4
  • Yio Chu Kang Rd
  • Serangoon Garden Way
  • Lor Chuan
  • Braddell Rd
  • Lor 6 Toa Payoh
  • Lor 4 Toa Payoh
  • Lor 6 Toa Payoh
  • Toa Payoh Int
  • Toa Payoh Int
  • Lor 6 Toa Payoh
  • Lor 4 Toa Payoh
  • Lor 6 Toa Payoh
  • Braddell Rd
  • Lor Chuan
  • Serangoon Garden Way
  • Yio Chu Kang Rd
  • Serangoon North Ave 4
  • Ang Mo Kio Ave 3
  • Ang Mo Kio Int

Operator History:

  • 1970s – 1973: Associated Bus Services Pte Ltd
  • 1973 – 2001: Singapore Bus Services Ltd
  • 2001 – Present: SBS Transit Ltd

The Bus Service Operating License (BSOL) for this route will be renewed in 2016. 



  • 1971: Introduced between Yio Chu Kang Rd (near Upp Thomson Rd) to Tanjong Pagar Road, operated by Associated Bus Services
  • 1974: Shortened to terminate at Toa Payoh Town Ctr
  • 1977: Amended to Yio Chu Kang Rd, skipping Jln Woodbridge
  • 1979: Amended to Old Upp Thomson Rd Ter
  • 1980: Amended to loop at Old Upp Thomson Rd
  • 1983: Amended to skip Ang Mo Kio and also amended to Toa Payoh Bus Int that same year. Toa Payoh sectors rerouted slightly.
  • 1988 (24 Jan): Shortened to Yio Chu Kang Terminal via AMK St 64, St 63, AMK Ave 9/6.
  • 1992 (03 May): Converted to loop service from Toa Payoh Int to S’goon North Ave 4
  • 1993: Extended to Ang Mo Kio Int. Re-routed to start from Ang Mo Kio Int and loop at Toa Payoh Int
  • 1998 (31 May): Amended to Toa Payoh Temp Int
  • 2002 (24 Mar): Amended to Ang Mo Kio Temp Int
  • 2002 (19 May): Amended to air-conditioned Toa Payoh Integrated Transport Hub (ITH)
  • 2007 (28 Apr): Amended to air-conditioned Ang Mo Kio Integrated Transport Hub (ITH)
  • 2012 (03 Dec): Designated wheelchair-accessible bus route (WAB)

Past Routings:

  • Refer to this article
  • 2004: Amended to present routing. No significant route changes since 2004.


External Links & References:

Back to Bus Services
Back to Bus Articles


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