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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 30 March to 5 April 2026

 





1Novena - Newton30 March 20260100 - 0430 hrs
2City Hall - Raffles Place30 March 20260100 - 0430 hrs
3Toa Payoh - Braddell30 March 20260100 - 0430 hrs
4Raffles Place - Tanjong Pagar31 March 20260100 - 0430 hrs
5Lavendar - Bugis31 March 20260100 - 0430 hrs
6Toa Payoh - Braddell31 March 20260100 - 0430 hrs
7Newton - Novena31 March 20260100 - 0430 hrs
8Novena - Newton31 March 20260100 - 0430 hrs
9Tanjong Pagar - Raffles Place31 March 20260100 - 0430 hrs
10Bugis - Lavendar31 March 20260100 - 0430 hrs
11Toa Payoh 31 March - 1 April 20260100 - 0430 Hrs
12Raffles Place - City Hall1 April 20260100 - 0430 hrs
13Outram Park - Redhill1 April 20260100 - 0430 hrs
14Novena - Newton1 April 20260100 - 0430 hrs
15Dhoby Ghaut - City Hall 1 April 20260100 - 0430 hrs
16Toa Payoh - Novena1 April 20260100 - 0430 hrs
17Tanjong Pagar - Raffles Place1 April 20260100 - 0430 hrs
18Bugis - Lavendar1 April 20260100- 0430 hrs
19Newton - Novena2 April 20260100 - 0430 hrs
20Novena - Newton2 April 20260100 - 0430 hrs
21Dhoby Ghaut - City Hall2 April 20260100 - 0430 hrs
22Tanjong Pagar - Raffles Place2 April 20260100 - 0430 hrs
23City Hall - Bugis2 April 20260100 - 0430 hrs
24Bugis - Kallang 3 April 20260100 - 0430 hrs
25Marina Bay - Raffles Place3 April 20260100 - 0430 hrs
26City Hall - Bugis3 April 20260100 - 0430 hrs
27Marina Bay - Raffles Place4 April 20260100 - 0430 hrs
28Somerset - Orchard4 April 20260100 - 0430 hrs
29Orchard - Somerset4 April 20260100 - 0430 hrs
30Tiong Bahru - Outram Park4 April 20260100 - 0430 hrs
31Lavendar - Bugis4 April 20260100 - 0430 hrs
32Tiong Bahru - Redhill4 April 20260100 - 0430 hrs
33Novena - Toa Payoh5 April 20260100 - 0430 hrs
34Raffles Place - City Hall5 April 20260100 - 0430 hrs
35Somerset - Orchard5 April 20260100 - 0430 hrs
36Orchard - Somerset5 April 20260100 - 0430 hrs
37Tiong Bahru - Outram Park5 April 20260100 - 0430 hrs
38Tiong Bahru - Redhill5 April 20260100 - 0430 hrs
39City Hall - Bugis5 April 20260100 - 0430 hrs

Night Grass-Cutting Works Schedule

1

542 Bukit Batok St 52


10 April 20260130 - 0430 hrs
2436, 442, 442B, 442C, 443A, Fajar Road
14 April 20260130 - 0430 hrs

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.