SBS Transit Bus Service 73

SBS Transit Bus 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.

Note:

• Bus Service 73 towards both Toa Payoh and Ang Mo Kio duplicates at Bus Stop 66271 – S’goon Gdn Circus, Serangoon Garden Way. Check the bus destination before boarding.
  – Buses displaying the Red 73 Plate head towards Ang Mo Kio
  – Buses displaying the White 73 Plate head towards Toa Payoh

Route Overview
Route	Ang Mo Kio Bus Interchange ↺ Toa Payoh Bus Interchange (Loop)
Passes Through	Serangoon North Ave 4, Serangoon Gardens Way, Lorong Chuan, Lorong 4 Toa Payoh
Route Length	24.9 km
Travelling Time	110 mins
Operator Information
BCM Route Package	Bishan–Toa Payoh Bus Package
Current Operator	SBS Transit Ltd
Current Depot	Ang Mo Kio Bus Depot (AMDEP)
Current Fleet	Single-deck buses
Operating Hours
Departure Times from Ang Mo Kio	Weekdays				Saturdays & Sundays / Public Holidays
	05:30 – 23:25				05:30 – 23:20
	Between 23:30 – 23:45, buses departing Ang Mo Kio Int are renumbered as Service 73T which terminates at Toa Payoh Int
Departure Times from Toa Payoh	Weekdays & Saturdays								Sundays / Public Holidays
	05:45 – 00:00								06:00 – 00:00
Operating Frequency
Loop Service	6:30am–8.30am			8.31am–4.59pm			5.00pm–7.00pm			After 7.00pm
Weekdays	10 – 12 mins			8 – 12 mins			9 – 11 mins			10 – 12 mins
Saturdays	11 – 13 mins			11 – 14 mins			11 – 15 mins			14 – 15 mins
Sundays / Public Holidays	10 – 13 mins			12 – 14 mins			14 – 15 mins			14 – 15 mins
Fare Information
Fare	Charges regular distance fares

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.

Both Toa Payoh & Ang Mo Kio Bound Service 73 buses will call at the same stops at Lorong Chuan & Serangoon Garden Way. As such, buses display a red / white plate to indicate the direction of travel as an additional guide on top of the electronic destination sign displayed.

Between 2330hrs & 2345hrs, Service 73T buses leaving Ang Mo Kio Int will terminate at Toa Payoh Int.

MRT Stations Served

• NS16 Ang Mo Kio
• NS19 Toa Payoh

Special Departures

• Toa Payoh Int → Ang Mo Kio Int
  Weekdays: 05:45, 05:55 & 06:04
  Saturdays: 05:45 & 05:56
  Sundays / Public Holidays: 06:00
• Serangoon North Ave 4 (Blk 504A CP) → Ang Mo Kio Int
  Weekdays: 05:15, 05:29, 05:43 & 05:57
  Saturdays: 05:55

Terminating Trips

• Service 73T: Ang Mo Kio Int → Toa Payoh Int
  Weekdays: 23:35 & 23:45
  Saturdays & Sundays / Public Holidays: 23:32 & 23:45

Gallery

Operator History

• 1971 – 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 2026 under the Bishan – Toa Payoh Bus Package.

History

Service 73

• 1971 (16 Jun): Introduced as Service 73/73A between Yio Chu Kang Rd Ter and Tg Pagar Ter, operated by Associated Bus Services
• 1972 (18 Jun): Amended to ply Bendemeer Rd towards Tg Pagar Ter with the conversion of Serangoon Rd to one-way traffic
• 1974 (03 Feb): Shortened to Toa Payoh Town Ctr Ter and re-numbered Service 73 under 1974 Bus Rationalisation
• 1977 (11 Jul): Amended to ply Yio Chu Kang Rd, skipping Jln Woodbridge
• 1979 (26 Oct): Amended to Old Upp Thomson Ter
• 1980 (16 Mar): Amended to loop at Old Upp Thomson Rd
• 1981 (05 Jun): Amended to ply the realigned Yio Chu Kang Rd, skipping Ang Mo Kio Ave 9
• 1983 (06 Feb): Amended to ply CTE towards Old Upp Thomson Rd with the closure of temporary slip road between Braddell Rd and Lor Chuan
• 1983 (20 Jun): Amended back to ply Lor Chuan towards Old Upp Thomson Rd with the opening of new link road between Braddell Rd and Lor Chuan under Braddell Flyover
• 1983 (26 Dec): Amended to Toa Payoh Int
• 1988 (24 Jan): Shortened to Yio Chu Kang Ter
• 1992 (20 Sep): Amended to loop at Serangoon North Ave 4 from Toa Payoh Int under TransitLink Network Integration Exercise Phase 9
• 1993 (05 Dec): Extended to Ang Mo Kio Int under TransitLink Network Integration Exercise Phase 14
• 1994: First bus from Ang Mo Kio Int brought forward to 0530 hrs daily
• 1994: First bus from Toa Payoh Int brought forward to 0545 hrs on weekdays and Saturdays
• 1998 (31 May): Amended to Toa Payoh Temp Int; Serves new pair of bus stops outside and opposite Toa Payoh Swim Cplx along Lor 6 Toa Payoh
• 2002 (24 Mar): Amended to Ang Mo Kio Temp Int
• 2002 (19 May): Amended to loop at Toa Payoh Integrated Transport Hub from Ang Mo Kio Temp Int
• 2005 (19 Jan): Serves additional pair of bus stops outside Jubilee and opposite Blk 710 along Ang Mo Kio Ave 8
• 2007 (28 Apr): Amended to Ang Mo Kio Integrated Transport Hub
• 2012 (03 Dec): Designated wheelchair-accessible bus service (WAB)

Service 73T

• 2021 (11 Apr): Re-numbered from trips of Service 73 that terminate at Toa Payoh Integrated Transport Hub

Past Routings

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