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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 4 May to 10 May 2026

 





1Bugis - City Hall4 May 20260100 - 0430 hrs
2Raffles Place - Marina Bay
4 May 20260100 - 0430 hrs
3Dhoby Ghaut - Orchard 4 May 20260100 - 0430 hrs
4Lavendar - Bugis5 May 20260100 - 0430 hrs
5Newton - Novena5 May 20260100 - 0430 hrs
6Novena - Newton5 May 20260100 - 0430 hrs
7Tiong Bahru - Outram Park5 May 20260100 - 0430 hrs
8Raffles Place - Tanjong Pager5 May 20260100 - 0430 hrs
9Newton - Novena6 May 20260100 - 0430 hrs
10Novena - Newton6 May 20260100 - 0430 hrs
11Raffles Place - Marina Bay6 May 20260100 - 0430 hrs
12Raffles Place - Tanjong Pagar6 May 20260100 - 0430 hrs
13City Hall - Bugis6 May 20260100 - 0430 hrs
14City Hall - Raffles Place7 May 20260100 - 0430 hrs
15Braddell - Toa Payoh7 May 20260100 - 0430 hrs
16Orchard - Somerset7 May 20260100 - 0430 hrs
17Somerset - Orchard7 May 20260100 - 0430 hrs
18Tiong Bahru - Outram Park7 May 20260100 - 0430 hrs
19Lavendar - Bugis7 May 20260100 - 0430 Hrs
20Tiong Bahru - Outram Park8 May 20260100 - 0430 hrs
21Kallang - Lavendar8 May 20260100 - 0430 hrs
22Newton - Novena8 May 20260100 - 0430 hrs
23Novena - Newton8 May 20260100 - 0430 hrs
24Tiong Bahru - Tanjong Pagar9 May 20260100 - 0430 hrs
25Newton - Novena9 May 20260100 - 0430 hrs
26Orchard - Somerset9 May 20260100 - 0430 hrs
27Novena - Newton9 May 20260100 - 0430 hrs
28Braddell - Toa Payoh9 May 20260100 - 0430 hrs
29Bugis - City Hall9 May 20260100 - 0430 hrs
30City Hall - Bugis9 May 20260100 - 0430 hrs
31Novena - Newton10 May 20260100 - 0430 hrs
32Novena - Toa Payoh10 May 20260100 - 0430 hrs
33Orchard - Somerset10 May 20260100 - 0430 hrs
34Somerset - Orchard10 May 20260100 - 0430 hrs
35Tiong Bahru - Outram Park10 May 20260100 - 0430 hrs
36Tiong Bahru - Redhill10 May 20260100 - 0430 hrs

Night Grass-Cutting Works Schedule

1

542 Bukit Batok St 52


8 May 20260130 - 0430 hrs

Late-Night SMRT Generator Testing Schedule

1Bartley4 May 20260100 - 0400 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.