SBS Transit Bus Service 4

SBS Transit Bus Service 4 is a trunk route running between Tampines Bus Interchange and Changi North Way, passing through Flora Road and Changi North Industrial Estate.

Bus Service 4 commenced operations on Sunday, 17 March 2013 as the 7th bus service under the Bus Service Enhancement Programme (BSEP).

Route Information:
Bus Service 4: Tampines ↺ Changi North Way (Loop)
From Tampines
Looping at Changi North Way
  • Tampines Central 1
    – Tampines Int
  • Tampines Ave 7
    – Opp Tampines Reg Lib
    – Blk 429
    – Blk 449
    – Tampines East Stn Exit A DT33
    – Tampines JC/Opp Blk 390
    – Blk 497D
  • Flora Rd
    – Avila Gdns
  • Mariam Way
    – Bef Mariam Walk
  • Upp Changi Rd North
    – Changi Prison
    – Bef Jln Bena
  • Changi North St 1
    – Aft Upp Changi Rd Nth
  • Changi North Way
    – Agility
    – Zuellig Pharma
    – Bef Changi Prison Cplx
  • Tanah Merah Besar Rd
    – Aft Compass Green
  • Upp Changi Rd North
    – Changi Women’s Prison
  • Mariam Way
    – Aft Ballota Pk
  • Flora Rd
    – Carissa Pk
  • Tampines Ave 7
    – Blk 370
    – Blk 390/Opp Tampines JC
    – Opp Tampines East Stn DT33
    – Blk 230E
    – Blk 233
    – Bef Tampines Reg Lib
  • Tampines Central 1
    – Tampines Int


Technical Information
Route WAB_logo_20px
Tampines Bus Interchange ↺ Changi North Way (Loop)
Passes Through Tampines Ave 7, Flora Rd, Tanah Merah Besar Rd
Route Length 10.2 km
Travelling Time 55 mins
Operator Information
BCM Route Package Tampines Bus Package
Current Operator SBS Transit Ltd
Current Depot Bedok North Bus Depot (BNDEP)
Current Fleet 12-metre Single Deck Buses:
Mercedes-Benz Citaro
Scania K230UB

12-metre Double Deck Buses:
Volvo B9TL

Departure Times from Tampines
0600hrs – 2330hrs (Daily)
Frequency Loop Service
0630 – 0830: 10 – 12 mins
0831 – 1659: 11 – 13 mins
1700 – 1900: 10 – 13 mins
After 1900: 11 – 12 mins
LTA/SBST Joint News Release
LTA/SBST Joint News Release

Bus Service 4 provides better connectivity for commuters travelling between Tampines and the Changi North Industrial Estate and its surrounding areas. It enhances connectivity for commuters travelling between Tampines, Flora Road and Changi North Industrial Estate as well as its surrounding areas.

The bus service serves eight new bus stops in Flora Road and Changi North Industrial Estate. It also enhances the connectivity to key transport nodes at Tampines Bus Interchange and MRT, where they can transfer to other bus services or rail lines to reach their destination. In addition, Bus Service 4 improves connection of these areas to amenities within Tampines Town.

Service 4 receives considerable demand from Flora Road, where residents previously heading to Tampines had to rely on a shuttle bus run by ComfortDelGro charging a flat fare of $1.30. In addition, this route helps disperse Service 37’s high peak demand for workers at Changi North Industrial Estate, as well as providing new bus connectivity for industries along Changi North Way.

MRT Stations Served:
Special Departures:
  • Changi North Way (Bef Changi Prison Complex) Tampines Int
    Daily: 0550hrs, 0605hrs

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

Service 4 at a glance
Service 4 at a glance

Operator History:

  • 2013 – Present: SBS Transit Ltd

The Bus Service Operating License (BSOL) for this route will be renewed in 01 Sep 2024 under the Tampines Bus Package.


  • 2013 (17 Mar):Introduced as a loop service from Tampines to Changi North Way under LTA’s Bus Service Enhancement Programme (BSEP)
  • 2013 (31 Mar): Designated wheelchair-accessible bus route (WAB)
  • 2015 (17 Aug): Start of Double Decker Bus Deployments

Past Routings:


SBST Mercedes-Benz O530 Citaro (SBS6369Z) - Service 4
SBST Mercedes-Benz O530 Citaro (SBS6369Z) – Service 4


External Links & References:

Back to Bus Services
Back to Bus Articles

One thought on “SBS Transit Bus Service 4

  • 12 March 2017 at 10:20 PM

    Number 4 used to ply Bedok to Moulmein Road (loop) then Bedok to St Michael’s in the 70s – 80s.
    At one point, it was extended to Tampines Interchange before it was withdrawn.


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