The Alaskan Way Viaduct project is located in Seattle, Washington and includes the new State Route 99 Tunnel. This is a design-build (D/B) by the Seattle Tunnel Partners (STP) in conjunction with the Washington State Department of Transportation (WSDOT).

Alaskan Way Viaduct Tear-Down Contract Awarded to Kiewit

Engineering News-Record » As Washington State Dept. of Transportation officials look toward [...]

By |2018-05-31T09:32:57-08:00May 21, 2018|Alaskan Way Viaduct, Design-Build, Highways, Washington|Comments Off on Alaskan Way Viaduct Tear-Down Contract Awarded to Kiewit
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Toll plan for Seattle tunnel to be released in the spring

KING-TV » The Washington State Transportation Commission is expected to get a [...]

By |2018-01-18T16:07:31-08:00January 18, 2018|Alaskan Way Viaduct, Road Usage Charge, Washington|Comments Off on Toll plan for Seattle tunnel to be released in the spring
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Bertha Launch Pits Become Tunnels

ENR Northwest » The launch and exit pits created for tunnel-boring machine [...]

By |2017-10-12T09:36:16-08:00October 2, 2017|Alaskan Way Viaduct, Design-Build, Highways, Washington|Comments Off on Bertha Launch Pits Become Tunnels
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Seattle viaduct demolition: When it will happen and what to expect

Curbed Seattle » With Bertha the tunnel-boring machine’s job complete, the Alaskan [...]

By |2018-02-05T15:55:27-08:00August 3, 2017|Alaskan Way Viaduct, Design-Build, Highways, Washington|Comments Off on Seattle viaduct demolition: When it will happen and what to expect
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