CMRL plans three more TBMs to speed up Phase-II tunnelling

Chennai Metro Rail Limited (CMRL) plans to procure three more Tunnel Boring Machines (TBMs) to accelerate Phase-II tunnelling. The new TBMs are to be deployed on the Thiruvanmiyur–Taramani, Thousand Lights–Anna Flyover and Mandaiveli–Mylapore stretches.

CMRL currently operates 23 TBMs under Phase-II.