Delayed construction of underground stations Moolakadai, Perambur, and Mandaveli make 6 (SIX) Tunnel Boring Machines of CMRL (Chennai Metro Rail Limited) remain stuck idle underground.
cover tunnel photo by: Matt Brown from London, England / CC BY
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https://www.constructionworld.in/transport-infrastructure/metro-rail-and-railways-infrastructure/6-tunnel-boring-machines-idle-in-chennai/72428
6 Tunnel Boring Machines Idle in Chennai
www.constructionworld.inCMRL delays in station construction stall tunneling work on Phase II Metro corridor