Deep under the Yangtze River, a stranded tunnel boring machine that looked like a sunk cost has instead become a showcase of ...

Innovative design and construction of large prop-less openings in HS2’s segmentally lined Northolt Tunnels using specially ...

A colossal project to reduce traffic in the underground tunnels connecting the Virginia cities of Norfolk and Hampton just had a big breakthrough — literally. Since 1957, the two cities have been ...

Next year, the first modern tunnel-boring machines ever used in New Jersey will arrive in North Bergen to begin drilling the first mile of the $16 billion Gateway Tunnel through the rocky Palisades.

The Hudson Tunnel Project is marking another major milestone as it nears a critical point in the $16 billion process. During its Aug. 20 board meeting, Gateway Development Commission announced that ...

Recent advancements in rock cutting and tunnel boring machine (TBM) performance have underscored the importance of optimising cutter design, operational parameters and understanding rock fracture ...

CAPE CHARLES, Va. (WAVY) — The tunnel boring machine known as Chessie broke through the receiving pit on Two Island at the Thimble Shoal Channel at the Chesapeake Bay Bridge-Tunnel Monday, the CBBT ...

This column originally appeared in On The Way, a weekly newsletter covering everything you need to know about NYC-area transportation. Sign up to get the full version, which includes answers to reader ...

HAMPTON ROADS, Va. — The Chesapeake Bay Bridge-Tunnel (CBBT) has some good news about Chessie—the tunnel boring machine being used for its Parallel Thimble Shoal Tunnel Project. Chessie is back up and ...

Work to begin digging a new Hudson Tunnel is set to begin this spring as two tunnel boring machines custom-built for the project are on their way to New Jersey. The new rail tunnel, called the Gateway ...