Four more stations for the Cross Island Line, Singapore's longest fully underground rail line
20 October 2026
The Land Transport Authority announced the third phase of the Cross Island Line on 31 July 2026.
Phase 3 adds four underground stations, designated CR20, CR21, CR22 and CR23.
The phase runs about 10 km in Singapore's west.
CR21 will interchange with the Jurong Region Line at JS12, and CR23 with the East-West Line at Gul Circle.
Construction is expected to start in 2027, with the stations targeted to open by the late 2030s.
The full Cross Island Line will run about 67 km and will be Singapore's eighth and longest fully underground line.
Phase 3 stations:
Four: CR20, CR21, CR22, CR23
Phase 3 length:
approximately 10 km
Full line length:
about 67 km
Why it matters for exams: Mass rapid transit projects in Asian city states are a standard infrastructure question.
Kerala PSCUPSC
In plain words
LTA Land Transport Authority — The Singapore statutory board that plans and builds rail and road infrastructure.