CCL Tunnel Strengthening - Sections in Soft Marine Clay
Maintenance Period
16 Jan 2026
Next Maintenance
16 Jan 2026, 4:00 pm – 19 Apr 2026, 3:59 pm
Sessions
0 ended, 0 ongoing, 1 remaining
Affected stations
Subtypes
Track Work
Timeline
CNA
Underground tunnels serving three stations on the Circle Line will be partially closed early next year for strengthening works to address a phenomenon known as "tunnel squatting".
The Straits Times
This is for works to strengthen the tunnels built in soft marine clay that are more prone to deformation.
