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).
↺ Changi Nth Way (Loop)

– Wheelchair Inaccessible Bus Stop (97141)
Route Overview | ||||||||||||
Route ![]() |
Tampines Bus Interchange ↺ Changi North Way (Loop) | |||||||||||
Passes Through | Tampines Ave 7, Flora Rd, Tanah Merah Besar Rd | |||||||||||
Route Length | 10.5 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 | Double Deck Bus: – Alexander Dennis Enviro500 (3-Door) – MAN A95 – Volvo B9TL |
Single Deck bus deployments on Weekends & Public Holidays | ||||||||||
Operating Hours | ||||||||||||
Departure Times from Tampines |
Daily | |||||||||||
06:00 – 23:30 | ||||||||||||
Operating Frequency | ||||||||||||
Loop Service | 6:30am–8.30am | 8.31am–4.59pm | 5.00pm–7.00pm | After 7.00pm | ||||||||
Weekdays | 10 – 12 mins | 11 – 13 mins | 11 – 14 mins | 11 – 12 mins | ||||||||
Saturdays | 12 – 13 mins | 10 – 13 mins | 12 – 13 mins | 12 – 17 mins | ||||||||
Sundays / Public Holidays | 12 – 15 mins | 11 – 13 mins | 12 – 13 mins | 12 – 13 mins | ||||||||
Fare Information |
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Fare | Charges regular distance fares |
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:
- EW2–DT32 Tampines
- DT33 Tampines East
Special Departures:
- Changi North Way (Bef Changi Prison Cplx) → Tampines Int
Daily: 05:50 & 06:05
Gallery
Operator History
- 2013 – Present: SBS Transit Ltd
The Bus Service Operating License (BSOL) for this route will be renewed in 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
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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.
Like that, also can transfer 29, 59 and 109 (which are in different bus packages)
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.