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." ...

Glacier Northwest also said its soil handling took place outside WSDOT’s tunneling site, and its role was to fulfill its $28.3 million contract with private Seattle Tunnel Partners firms ...

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 ...

The upgrade is expected to close a loophole that has cost the state an unknown amount in lost toll revenue since tolls were ...

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 ...

Bob Ferguson and the state Department of Labor & Industries announced Tuesday that Highway 99 tunnel subcontractor ... it underpaid for work on the Seattle tunnel project. The 46 employees who ...

That tunnel vote has been fodder for spirited talk ’round Seattle Mag World Headquarters of late (though it’s curiously quiet today). But it’s less about which camp you’re tunneled into (dig it or ...

That estimate is based on the 3.2 kilometre, $3.3-billion US State Route 99 Tunnel that was finished in Seattle, Washington in 2019. But the price of the 401 tunnel is likely much higher, given the ...

Federal investigators say a series of chain-reaction crashes and a fire in a Wyoming highway tunnel that killed three people ...

The Seattle Seahawks introduced a brand new tunnel club for the 2023 season that gives the fans an immersive gameday experience which includes all-inclusive food & beverage as well as exclusive ...