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Washington State Department of Transportation


Constructing the North Spokane Corridor

Approximately half of the U.S. Route 395 North Spokane Corridor has been completed and is now operational. The Washington State Department of Transportation is managing the project – a 10.5-mi. north-south section of freeway along the eastern border of Spokane, Wash., designed to improve freight and commuter mobility through the metropolitan area....


Crews Remove 600 Tons of Debris From I-90 Emergency

For the past several weeks, the Washington Department of Transportation and local construction crews have been making emergency patch repairs to concrete panels under the Stampede Pass interchange. All lanes of the eastbound highway have reopened near Stampede Pass, about a day earlier than scheduled....


ODOT, WSDOT Name Key Leader to Head Bridge Program

The Oregon Department of Transportation and Washington State Department of Transportation are excited to announce the appointment of Greg Johnson as the program administrator to lead the bi-state Interstate Bridge Replacement Program office....


'Rest of the West' $455M Project Starts to Take Shape

With two new gantry cranes towering against the sky, there's no doubt a $455 million project outside of Seattle is well underway. It's part of a program the Washington DOT (WSDOT) calls the "Rest of the West," a series of projects for the remaining $1.6 billion in improvements to SR 520....


Historic Bridge Demolition

A four-year closure begins to replace a bridge that has stood for 110 years. The historic East Trent Bridge, built in 1910 on State Route 290, is finally set to be demolished starting in early June. Travelers are encouraged to seek alternate routes as Washington State Department of Transportation contractor crews begin to remove and replace the structure....


Dense Soil Conditions Delay Bridge Opening

Since mid-June, the Washington State Department of Transportation closed a portion of State Route 506 near Vader to replace the aging and failing Lacamas Creek Bridge in Lewis County. While drilling foundations for the replacement structure, WSDOT's contractors, Farline Bridge Inc., discovered dense soil conditions, which will delay the reopening of the highway....


WSDOT Awards Contract for I-405 Widening, Express Toll Lanes

For drivers who regularly experience congestion on Interstate 405 between Renton and Bellevue, help is on the way. The Washington State Department of Transportation (WSDOT) announced the award of a design-build contract to start construction on the I-405, Renton to Bellevue Widening and Express Toll Lanes project....


WSDOT Celebrates Major Milestone for Puget Sound Gateway Program

Gov. Jay Inslee joined state and local officials at the Port of Tacoma to help The Washington Department of Transportation (WSDOT) kick off the construction phase on the Puget Sound Gateway Program. The Gateway Program includes two projects — SR 167 completion in Pierce County and SR 509 completion in King County — new connections to the Ports of Seattle and Tacoma and manufacturing and industrial centers that will enhance the state's national and global economic competitiveness....


WSDOT Reclaims Land From Defunct Alaskan Way Viaduct

The January closure of the Alaskan Way Viaduct in downtown Seattle — also known as State Route 99 — was another step in a long reclamation project that will eventually remove the highway and repurpose the land it occupies....


Gov. Inslee Directs Agencies to Ramp Up Culvert Repairs

On May 22, 2019, Gov. Jay Inslee ordered the Washington State Department of Transportation to begin the immediate ramp-up of culvert repairs around the state, an urgent and crucial priority for improving fish passage and salmon recovery....






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