Circle Line 6

Closing the Loop

System of Circle Line 6

Look forward to even more direct routes to the Central Business District, Marina Bay and the HarbourFront area.

The Circle Line 6 (CCL6) extension will add three stations between HarbourFront and Marina Bay MRT stations, closing the loop for CCL. The stations are: Keppel, Cantonment and Prince Edward Road.

The completed CCL will link to all existing train lines and shorten travel time, while also giving commuters more alternative routes that bypass the busy interchanges at City Hall and Raffles Place.

This will bring the total number of CCL stations to 33, including 12 interchange stations that connect to other rail lines.

In January 2022, tunnelling works were completed for the Circle Line 6 (CCL6). A total of 23 new trains have also been purchased to cater for the expected increase in passenger volume when CCL6 commences operation in 2026. The first of these new CCL trains reached Singapore on 9 March 2022 and is now undergoing testing and commissioning works.

The alignment of the CCL6 was announced in October 2015 and construction works for the three final stations in the southern part of Singapore commenced in April 2018.

In May 2017, the public was invited to submit suggestions for the naming of the three CCL6 stations. About 1,950 participants subsequently voted in a public polling exercise. The finalised station names are “Keppel”, “Cantonment” and “Prince Edward Road”.

No. of stations icon

Number of stations

Length of rail line icon

Length of line

Expected project completion icon

Expected completion

A total of 23 new CCL trains will be added to cater for additional capacity for the CCL6 operations in 2026.

This increases the existing CCL fleet by 36 per cent from 64 to 87 trains. Manufactured and assembled in Spain, the new trains will have the following features:

  • Condition Monitoring System where the system gathers data from equipment on the trains, to enable continuous monitoring of the health of the equipment and for predictive maintenance for the trains;
  • Automatic Track Inspection (AIT) System where the system enables monitoring of the running rails, track equipment and sleepers, identifies components that require maintenance and supplements existing track inspection activities;
  • Current Collector Shoe Dislodgement Detection where current collector shoes will be equipped with sensors to enable the operator to react promptly and take necessary measures if any dislodgement is detected. 
CCL6 will be built in areas that are fairly dense and close to heritage sites. As such, special efforts are being made to ensure that the works do not affect buildings with historical and architectural significance.

Cantonment MRT station has been sensitively integrated with the old Tanjong Pagar Railway Station (which is gazetted as a national monument). To facilitate construction, several parts of the former railway station’s train platforms were removed. The canopy structures will be fully reinstated after the completion of Cantonment Station, and retain the sense of heritage and memories of the old train platform area.

To cater for future needs, Kim Chuan Depot will be expanded to almost double its capacity from 70 to 133 trains. The integrated depot will also house 550 buses, which will allow us to optimise land use. The depot will be completed at the same time as CCL6 in 2026.
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