Singapore’s Land Transport Authority (LTA) has announced the third phase of the Cross Island Line (CRL), extending the MRT line by approximately 10 km westwards from Jurong Lake District to Gul Circle. Construction is scheduled to begin in 2027, with the four new underground stations expected to open in the late 2030s.
The extension will comprise stations CR20 to CR23, with CR21 providing an interchange with the Jurong Region Line and CR23 connecting with the East-West Line at Gul Circle. A second CRL depot covering approximately 23 hectares will also be developed on the former Raffles Country Club site. The depot will provide maintenance and stabling facilities for the CRL fleet and will be co-located with a multi-storey bus depot with parking, charging and maintenance facilities.
LTA has also confirmed that the CRL will operate a fleet of 44 fully automated six-car trains, with an option to procure up to 11 additional trains. The trains will use a 1,500V DC overhead conductor rail system and Communications-Based Train Control (CBTC) signalling for driverless operation. The first train arrived in Singapore in May 2026 and is undergoing testing at the Singapore Rail Test Centre. The trains will feature five doors on each side of each carriage, onboard condition monitoring and diagnostic systems, and selected units will have automated track inspection technology.
When complete, the Cross Island Line will extend for approximately 67 km, making it Singapore’s longest fully underground MRT line. The line will connect key destinations including Changi, Punggol Digital District, Jurong Lake District and Tuas. Phase 1 is expected to open in 2030, while Phase 2 and the Punggol Extension are scheduled for completion in 2032. An additional extension to Changi Terminal 5 is also under construction.