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).
Technical Information | |
Route ![]() |
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 Double Deck Buses: – Volvo B9TL Note: Full Single Deck deployment on Weekends & Public Holidays |
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 |

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:
- EW2DT32 Tampines
- DT33 Tampines East
Special Departures:
- Changi North Way (Bef Changi Prison Cplx) → Tampines Int
Daily: 0550hrs, 0605hrs
Fare: Charges basic distance fares. See Bus Fares.
Gallery
Operator History
- 17 Mar 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.
History
- 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
- Refer to this article
- 2013: Amended to present routing. No significant route changes since 2013.
Back to Bus Services
Back to Bus Articles
Actually, Service 4 can also be operated by Go-ahead Singapore like Service 3 which is also from Tampines (even though the reason is because of Punggol) but it loops at a place that is near Changi Village and Service 2 is operated by Go-ahead Singapore.
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.
Actually, the extension to St Michael’s was in the late 80s and the extension to Tampines was in the early 90s.