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." ...

A group of idiots in Columbia recently learned just how dumb ... The band of idiots blocks off traffic in a tunnel so that they can face off with their barely-faster-than-a-Prius economy cars.

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 ...

An curved arrow pointing right. When Seattle decided to put in a new highway tunnel beneath the city, a machine was specially built to dig the 2-mile long, 57-foot wide project. The 6,700 ton ...

Billed as the tallest building in Seattle, the Sky View Observatory on the 73rd floor of the Columbia Center provides ... by the light rail Pioneer Square Tunnel Station one block to the east.