India's longest rail tunnel faced challenges, including potential collapse, but was successfully completed with innovative ...

Larsen & Toubro overcame near-catastrophic challenges during the construction of India's longest rail tunnel, including a ...

Devprayag-Janasu tunnel, besides being the longest, was completed with the fastest speed in the world. It was for the first ...

"The 9.69-metre diameter Cabrera tunnel in Spain was built by a Double Shield Tunnel Boring Machine at an average rate of 423 metres per month and the 10.49-km Devprayag-Janasu tunnel has been ...

The world's largest shield machine for railway construction reached the halfway point of its underwater journey beneath the Yangtze River on Wednesday, marking a major milestone for the high-speed ...

German-based TBM manufacturer is progressing on a challenging dig under the Elbe River estuary, and expects further tunnel ...