Train Information


Tunnel Ventilation Fans Activation Schedules

Tunnel Ventilation Fans (TVFs) are installed near certain MRT stations along the North-South and East-West to provide air movement in MRT tunnels. 

TVFs are used primarily for:
1. Maintenance works in the tunnels during non-revenue hours. These include works such as tunnel washing, rail welding and rail grinding.
2. Emergency situations when commuters are evacuated from the tunnel to the nearest station platform.

The powered ventilation is necessary for the health, safety and comfort of our workers in the tunnel as the TVFs remove elements such as smoke, heat and dust generated during the maintenance works. 
 
We have made every effort to minimise noise and any inconvenience caused to neighbouring residential and commercial areas. Please watch this space for the latest schedule.

From 20 Jan 2025 to 26 Jan 2025


Item No

AffectedDateTimes
1Toa Payoh21 Jan 20250100 - 0430 hrs
2Novena21 to 25 Jan 20250100 - 0430 hrs
3Raffles Place - Dhoby Ghaut22 Jan 20250100 - 0430 hrs
4Tanjong Pagar - Raffles Place22 Jan 20250100 - 0430 hrs
5Dhoby Ghaut - Orchard23 Jan 20250100 - 0430 hrs
6Tanjong Pagar - Raffles Place23 Jan 20250100 - 0430 hrs
7Lavendar - Raffles Place24 Jan 20250100 - 0430 hrs
8City Hall - Kallang25 Jan 20250100 - 0430 hrs
9City Hall - Bugis26 Jan 20250100 - 0430 hrs









NOTE: The maintenance schedule is accurate at the time of publication but is subject to change due to unforeseen circumstances such as weather condition, urgent track work for safety reasons, etc.