Published on : 10 Nov 2025, 7:48 am 1 min read

The Mumbai Metropolitan Region Development Authority (MMRDA) has begun preparing the DPR for a 70 km Integrated Tunnel Road Network, proposed as Mumbai’s next major mobility layer beneath the existing road and metro systems. Worth ₹1.05 trillion, the network will connect Mumbai Coastal Road, Bandra Kurla Complex High Speed Rail Station, and Chhatrapati Shivaji Maharaj International Airport.

Mumbai is imagining a new way to move; not above ground, but beneath it.

MMRDA’s proposed Integrated Tunnel Road Network will create a 70-kilometre system of underground corridors linking the Mumbai Coastal Road, BKC Bullet Train Terminal, and CSMIA Terminal 2, with future… pic.twitter.com/frt6dvM2xJ — MMRDA (@MMRDAOfficial) November 9, 2025

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