Circle Line 6 tunnelling works complete, 3 new stations set to open in 2026

SINGAPORE: If you’re commuting from the Marina Bay area to Telok Blangah by MRT, changing trains two times in the journey will soon be a thing of the past.

The last stretch of tunnelling works for Circle Line 6 (CCL6) was done on Jan 12 2022 (Wednesday).

This links 3 underground stations – Prince Edward Road, Cantonment and Keppel – closing the loop between Marina Bay and HarbourFront stations. This means commuters can ride a direct line from Telok Blangah to Marina Bay, for example, and save around 10 minutes of travel time.

With the CCL6 extension on schedule to open in 2026, it will allow quicker access to areas like Spottiswoode, One Bernam, Keppel Road and the southern part of the central business district.

By then there will be a total of 33 stations along the full Circle Line, including 12 interchange stations that connect to other MRT lines.


Tunnelling works for CCL6 started in August 2019, with the initial stretch between Keppel and HarbourFront station completed by August 2020. Tunnelling works between Keppel and Cantonment station were then completed in July 2021.

And on Wednesday, tunnelling works from the Prince Edward Road, which is the nearest station to One Bernam, to Cantonment station were finalised, meaning 55% of civil construction works are currently complete.

Structural connections will follow next, then by the installation of track-related equipment, and electrical and mechanical services and systems.

The tunnels between the Cantonment and Prince Edward Road stations cross under the previous Tanjong Pagar Railway Station – a Singapore gazetted national monument.

As works took place merely 6.7 metres below this historical building’s piles, additional protection measures had to be in place before tunnelling began, said the Land Transport Authority (LTA) in a media release. These included making sure protective structures were set up to reinforce and stabilise the former Tanjong Pagar Railway Station’s exterior and interior elements.

Also, more than 600 monitoring instruments were set up to record any movements of the building during the tunnelling works, said LTA.

Nonetheless, CCL6 is a “tangible improvement for the individual commuter”, said Mr Iswaran, adding that it is an “important addition to the resilience of our overall MRT system”.


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