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

The first four tunnel boring machines are coming to New Jersey to build the Gateway rail tunnel. Here's what they do and why they're the safest method.

DC Water took a major step Tuesday in the Potomac River Tunnel Project, lowering the cutterhead for ‘Mary,’ the tunnel boring ...

The 14.25-kilometer Chongming-Taicang Yangtze River tunnel — featuring three vertical shafts and connects Shanghai's ...

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 ...

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 ...

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 ...

Rosie, the tunnel boring machine named after Akron's own Rosie the Riveter, has a sister coming to town later this year, and her name is Elaine. Named after environmental advocate Elaine Marsh, Elaine ...

HAMPTON, Va. — On April 17, Mary the Tunnel Boring Machine emerged through the headwall at the Hampton end of the HRBT. Exactly six months later, she's starting her next journey: creating the twin ...

Chinese engineers have managed to turn disaster into a masterful engineering feat by rescuing a stranded tunnel boring ...