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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 1 to 7 June 2026

 





1City Hall - Bugis1 June 20260100 - 0430 hrs
2City Hall - Bugis2 June 20260100 - 0430 hrs
3Raffles Place - Tanjong Pagar 2 June 20260100 - 0430 hrs
4Newton - Novena2 June 20260100 - 0430 hrs
5Novena - Newton2 June 20260100 - 0430 hrs
6City Hall - Dhoby Ghaut2 June 20260100 - 0430 hrs
7Orchard - Somerset2 June 20260100 - 0430 hrs
8Tanjong Pagar - Raffles Place2 June 20260100 - 0430 hrs
9Raffles Place - Marina Bay3 June 20260100 - 0430 hrs
10Raffles Place - City Hall3 June 20260100 - 0430 hrs
11Newton - Novena3 June 20260100 - 0430 hrs
12Novena - Newton3 June 20260100 - 0430 hrs
13Somerset - Orchard3 June 20260100 - 0430 hrs
14Orchard - Somerset3 June 20260100 - 0430 hrs
15Bugis - Lavendar3 June 20260100 - 0430 hrs
16Bishan - Braddell4 June 20260100 - 0430 hrs
17Somerset - Orchard4 June 20260100 - 0430 hrs
18Tiong Bahru - Outram Park4 June 20260100 - 0430 hrs
19City Hall - Bugis4 June 20260100 - 0430 Hrs
20Lavendar - Bugis4 June 20260100 - 0430 hrs
21Somerset4 June 20260030 - 0430 hrs
22Novena5 June 20260030 - 0430 hrs
23Newton - City Hall5 June 20260100 - 0430 hrs
24Bishan - Braddell5 June 20260100 - 0430 hrs
25Tiong Bahru - Redhill5 June 20260100 - 0430 hrs
26City Hall - Dhoby Ghaut5 June 20260100 - 0430 hrs
27Raffles Place - Marina Bay 5 June 20260100 - 0430 hrs
28Somerset - Orchard 5 June 20260100 - 0430 hrs
29City Hall - Bugis5 June 20260100 - 0430 hrs
30Lavendar - Bugis5 June 20260100 - 0430 hrs
31Tiong Bahru - Outram Park6 June 20260100 - 0430 hrs
32City Hall - Bugis6 June 20260100 - 0430 hrs
33Dhoby Ghuat - City Hall7 June 20260100 - 0430 hrs
34Bishan - Toa Payoh7 June 20260100 - 0430 hrs
35Raffles Place - Marina Bay7 June 20260100 - 0430 hrs
36Orchard - Somerset7 June 20260100 - 0430 hrs
37Newton - Novena7 June 20260100 - 0430 hrs
38Novena - Newton7 June 20260100 - 0430 hrs
39Tiong Bahru - Outram Park7 June 20260100 - 0430 hrs

Night Grass-Cutting Works Schedule

1

542 Bukit Batok St 52


 4 & 10 June 20260130 - 0430 hrs

Late-Night SMRT Generator Testing Schedule

1Bartley1 June 20260100 - 0400 hrs
2Lorong Chuan3 to 4 June 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.