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Washington State Department of Transportation

New photos: Panorama of Seattle’s north tunnel entrance shows off transformed corridor

If you’ve lost track of how long Bertha, the SR 99 tunneling machine has been underground (mostly) working on Seattle’s… Read More

Tunnel rings

Video: Watch how they made the 14,260 concrete segments for the Seattle tunnel’s outer wall

The double-decker highway that will eventually run beneath Seattle will sit inside a concrete tube that is as tall as… Read More

SR 99 tunnel

Video: How a double-deck highway is built inside the Seattle tunnel — with enough concrete for 9 football stadiums

Seattleites caught up in the twists and turns and starts and stops of Bertha, the SR 99 tunneling machine, might lose… Read More

Tunnel workers

Video: Amazing look at the dark, dirty and difficult work of changing Seattle tunnel machine’s cutting tools

Next time I think about requesting a stand-up desk or I ask for the air conditioning to be adjusted near my desk, I’m… Read More

Pokemon Go

Pokémon Go players urged not to ‘catch and drive’ as police, transportation departments tweet over craze

As the Pokémon Go phenomenon explodes in popularity, drivers in Seattle, Washington State and around the country are being reminded… Read More

Hyperbaric chamber

Under pressure: Seattle tunnel contractors show what it takes to work safely on Bertha

High above the spot where Bertha, the SR 99 tunnel machine, sits idle during a scheduled maintenance stop, workers with Seattle… Read More

SR 99 Tunnel

Seattle’s tunnel machine Bertha reaches pit stop; workers face hyperbaric challenge 120 feet down

Bertha, the SR 99 tunneling machine, is nearly a third of the way along its path to create a new… Read More

Washington State Ferry system to end WiFi service for passengers June 30

WiFi service on Washington State Ferries (WSF) is ending June 30, the Washington State Department of Transportation announced Thursday. Data-enabled… Read More

SR 99 tunnel

New photos: With viaduct in rear view, Bertha begins tunneling under downtown Seattle

Since getting beyond the delicate work of crossing beneath the Alaskan Way Viaduct in May, Bertha the SR 99 tunneling machine has… Read More

Tech boom equals big traffic headaches and record congestion, according to new state report

If your blood pressure wasn’t already up from this morning’s commute, it’s official: The Washington State Department of Transportation released… Read More

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