45% tunnelling work for Mumbai Metro-3 completed

The work on Metro-3 (Colaba-Bandra-SEEPZ), the city’s only fully-underground corridor, is speeding through its underbelly with the Mumbai Metro Rail Corporation Limited (MMRCL) completing 45% of tunnelling works and nine out of 32 tunnel breakthroughs till March-end. A breakthrough is when a tunnel boring machine manages to bore through the designated route, from one end to the other.

https://www.hindustantimes.com/mumbai-news/45-tunnelling-work-for-mumbai-metro-3-completed/story-2jOUlCxkZRco16KNNoRSkM.html

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