Shuttle 37C is a Rail Replacement Service for the Circle Line (CCL), operating one-way from Tai Seng to Serangoon without intermediate stops.
The service will operate on weekday evening peak hours from 5 January 2026 to 17 April 2026. During this period, CCL train services will be affected by tunnel maintenance works, which will take place daily from 17 January to 19 April 2026.
Although modified CCL train operations and tunnel maintenance works commence on Saturday, 17 January 2026, Shuttle 37C will begin operations earlier on Monday, 5 January 2026, to allow commuters to familiarise themselves with the shuttle bus arrangements.
→ S'goon Stn Exit A/Blk 413
This Shuttle Bus Service serves the following MRT Stations:
| Route Overview | ||||||||||||
Route  |
Tai Seng MRT → Serangoon MRT | |||||||||||
| Passes Through |
— | |||||||||||
| Operator Information | ||||||||||||
| Operator | TBC | |||||||||||
| Fleet | TBC | |||||||||||
| Operating Hours | ||||||||||||
| Departure Times from Tai Seng |
Affected Weekdays (except Public Holidays) | |||||||||||
| 17:30 – 19:30 | ||||||||||||
| Operating Frequency | ||||||||||||
| Affected Weekdays | 3 – 5 mins | |||||||||||
| Fare Information |
||||||||||||
| Fare | Charges distance fares based on the distance between MRT Stations by rail | |||||||||||
Other Shuttle Bus Services
During the period of Reduced Circle Line Services for Tunnel Maintenance Works (Jan–Apr 2026), the following shuttle bus services are also offered on Weekdays (except Public Holidays):
- Shuttle 38: Paya Lebar ↔ Stadium
(2 ways; Morning & Evening Peak Hours) - Shuttle 37A: Serangoon → Tai Seng → MacPherson → Paya Lebar
(1 way; Morning Peak Hours) - Shuttle 37B: Tai Seng → Bishan
(1 way express; Evening Peak Hours)
Shuttle bus services are offered from 5 January 2026 to 17 April 2026, both dates inclusive.
History of Activation
| Shuttle 37C Activation: | |
| January – April 2026 (LI) | Tai Seng—Serangoon |
- EC: Early Closure | LO: Late Opening | EEC: Extended Early Closure | SC: Sunday Closure | LI: Longer Intervals
Bus Fares:
Charges regular distance fare based on the distance between MRT Stations by rail. Train, bus and hybrid concession passes are accepted, and distance fare rules apply.
History:
- 2025 (01 Dec): Route announced for Reduced Circle Line Services from January to April 2026 (Tai Seng – Serangoon)
See Also:
External Links & References:
Back to Rail Replacement Services