A portion of Seattle's Alaskan Way Viaduct is being replaced by a deep tunnel, and the machine purpose-built for the job is the world's largest tunnel boring machine (TBM), christened "Bertha." ...

Washington State Department of Transportation will implement a toll as drivers make their way through the tunnel... The second phase of the Seattle Squeeze is winding down but that doesn’t mean ...

GREEN RIVER, Wyo. (AP) — A series of chain-reaction crashes and a fire in a Wyoming highway tunnel that killed three people started when a pickup truck lost control and partially blocked traffic ...

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SEOUL, South Korea — U.S. and South Korean troops honed their underground combat skills using ... North Korea has secretly dug thousands of tunnels in preparation for future conflict.

A group of divers has found 100 metres of underground tunnel ... along the Pines Cave tunnel. "We're always on the hunt for the next cave to go and look at and map, create a 3D model for and ...

The Tokyo District Court is ordering a partial halt to the construction of an underground tunnel, which caused a large sinkhole to form in Chofu city, because it poses a danger to nearby residents.

KUALA LUMPUR: Traffic is at a snarl in the city after part of a road at the intersection of Jalan Pudu and Jalan Hang Tuah where an underground tunnel was being constructed collapsed, Wednesday ...

A second underground hollow space was discovered in Tokyo’s Chofu city that neighborhood residents strongly suspect is associated with underground tunnel work by an expressway operator, which ...