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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 15 to 21 June 2026

 





1Raffles Place - Tanjong Pagar15 June 20260100 - 0430 hrs
2City Hall - Raffles Place15 June 20260100 - 0430 hrs
3City Hall - Marina South Pier 16 June 20260100 - 0430 hrs
4Newton - Novena16 June 20260100 - 0430 hrs
5Novena - Newton16 June 20260100 - 0430 hrs
6City Hall - Dhoby Ghaut16 June 20260100 - 0430 hrs
7City Hall - Bugis16 June 20260100 - 0430 hrs
8Somerset - Novena17 June 20260100 - 0430 hrs
9Outram Park - Tiong Bahru17 June 20260100 - 0430 hrs
10Braddell - Toa Payoh17 June 20260100 - 0430 hrs
11Tanjong Pagar - Raffles Place17 June 20260100 - 0430 hrs
12City Hall - Bugis17 June 20260100 - 0430 hrs
13Lavendar - Bugis17 June 20260100 - 0430 hrs
14Raffles Place  - Tanjong Pagar17 June 20260100 - 0430 hrs
15Toa Payoh17 to 19 June 20260030 - 0430 hrs
16Tiong Bahru - Outram Park18 June 20260100 - 0430 hrs
17Newton - Novena18 June 20260100 - 0430 hrs
18Novena - Newton18 June 20260100 - 0430 hrs
19Somerset - Orchard18 June 20260100 - 0430 hrs
20Orchard - Somerset18 June 20260100 - 0430 Hrs
21Tanjong Pagar - Raffles Place18 June 20260100 - 0430 hrs
22Outram Park - Tanjong Pagar19 June 20260030 - 0430 hrs
23Somerset - Orchard19 June 20260030 - 0430 hrs
24Orchard - Somerset 19 June 20260100 - 0430 hrs
25Novena - Newton19 June 20260100 - 0430 hrs
26Newton - Novena19 June 20260100 - 0430 hrs
27Redhill - Tiong Bahru19 June 20260100 - 0430 hrs
28City Hall - Marina Bay 20 June 20260100 - 0430 hrs
29Raffles Place - City Hall20 June 20260100 - 0430 hrs
30Novena - Toa Payoh20 June 20260100 - 0430 hrs
31City Hall - Dhoby Ghaut20 June 20260100 - 0430 hrs
32Tiong Bahru - Outram Park20 June 20260100 - 0430 hrs
33Outram Park20 June 20260100 - 0430 hrs
34Tanjong Pagar - City Hall21 June 20260100 - 0430 hrs
35Kallang - Lavendar21 June 20260100 - 0430 hrs
36Novena - Newton21 June 20260100 - 0430 hrs
37Raffles Place - Marina Bay21 June 20260100 - 0430 hrs
38City Hall - Dhoby Ghaut21 June 20260100 - 0430 hrs
39Somerset - Orchard21 June 20260100 - 0430 hrs
40Orchard - Somerset21 June 20260100 - 0430 hrs

Night Grass-Cutting Works Schedule




 

Late-Night SMRT Generator Testing Schedule









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.