Maharashtra State Road Development Corporation (MSRDC), has the biggest twin tunnels in the world, measuring 47 metres over 10 lanes.
https://punemirror.com/pune/others/pune-mumbai-express-way-to-get-worlds-widest-tunnel-by-2024/cid1687429543.htm
The project is intended to curb traffic snarls and reduce travel time between Pune and Mumbai by almost 30 min
https://punemirror.com/pune/others/pune-mumbai-express-way-to-get-worlds-widest-tunnel-by-2024/cid1687429543.htm
Pune- Mumbai Express way to get worlds widest tunnel by 2024
punemirror.comThe project is intended to curb traffic snarls and reduce travel time between Pune and Mumbai by almost 30 min