Commuters travelling on the North-South and East-West lines (NSEWL) can look forward to taking the upgraded C151B train – fitted with smarter and improved systems to boost rail reliability and commuter comfort – as it returns to passenger service on Jun 21, 2026.
C151B
SMRT teases upgraded 5th-gen C151B train, returned with proof-of-concept reliability-centred features
In late October this year, rail operator SMRT announced on social media that it took delivery of its first upgraded 5th-gen C151B train for the North-South, East-West lines (NSEWL) with new proof-of-concept reliability-centred features.
One 5th-gen C151B train to be retrofitted with latest reliability-centred capabilities in proof of concept
A proof of concept trial featuring the latest reliability-centred capabilities will be carried out on a 5th-gen C151B train operating on the North-South and East-West MRT lines (NSEWL).


