环线隧道加固 - 巴耶利巴至蒙特巴顿（软海洋粘土路段）

Circles Line (CCL) MRT service is set to resume normal operation on April 10, but shorter weekend rail service will be in place until May 17.

The services will operate from 5am to 9am on Sundays when the Circle Line opens later at 9am.

21:00-CCL-Planned train service adjustments from 17 January to 9 April 2026. Circle Line train service headways will be adjusted to facilitate tunnel strengthening works. Commuters should factor in additional travelling times of up to 30 minutes during peak hours, and consider alternative MRT lines and bus services. Please visit go.gov.sg/circle-line-tunnel-works for more information. For crowd status at Serangoon, please visit www.lta.gov.sg/content/ltagov/en/map/train-crowd-status.html