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The project will install a compact roundabout at the intersections of SR 26 and First Avenue. The I2 crash prevention program for systemic treatment at intersection selected this location for a compact roundabout due to existing crash patterns.

This project will create three truck climbing lanes, or passing lanes, for vehicles who travel along SR 26 between Dusty and Colfax in Whitman County. One climbing lane will be built westbound and two will be built eastbound on SR 26. The Washington legislature approved the addition of a fourth…

This project will install a compact roundabout at the intersection of SR 26 and 1st Avenue. This intersections was selected due to existing crash patterns.

This roundabout will increase the safety and mobility of this intersection. The current configuration has many turning…

This project will create a fourth truck climbing lane, or passing lane, for vehicles who travel along SR 26 between Dusty and Colfax in Whitman County. Three climbing lanes were constructed on this section of SR 26 between 2022 and 2023. The Washington legislature approved the addition of a fourth…

This project will rehabilitate roughly 6 miles of SR 270 from Bishop Blvd. to the Idaho State Line in Whitman County. Once the project is completed by removing the surface of the existing pavement, repairing portions of the pavement through crack sealing, paving with Hot Mix Asphalt (HMA), and…

This project improved safety by constructing a roundabout at the intersection of SR 28 and White Trail Rd. west of the City of Quincy.

The East Wenatchee Corridor Improvement project will enhance safety and mobility along Sunset Highway in East Wenatchee between 9th Street and Hadley Street. This project includes Stages 3 & 4 of the larger “Eastside Corridor Project” to improve north-south mobility through East Wenatchee.…

This project will install a compact roundabout at the intersection of SR 282 and Nat Washington Way, to enhance safety and reduce collisions. Installing a roundabout has proven safer than the existing turns and safer than installing traffic signals.

The East Trent Bridge spanning over the Spokane River near Gonzaga University campus is due for replacement. Crews will demolish and rebuild the structure which has stood since 1910.

This project is part of WSDOT's ongoing Fish Passage Barrier Removal Program where construction projects remove barriers to fish. The Chico Way/SR 3 interchange has several barriers to fish under both directions of SR 3 and under the highway's southbound on- and off-ramps. This…

Crews will create a new route for SR 3 while maintaining the existing state highway through Belfair as a business loop. The proposed 6-miles of new highway would provide a new option for drivers to travel around and not through Belfair. The new portion of SR 3 is a Limited Access Corridor. A…

This project will remove barriers to fish migration under State Route 3, SR 16 and SR 166 in Kitsap County. New bridges or larger culverts will replace five outdated culverts. Work includes construction of a roundabout at the SR 3, SR 16 and West Sam Christopherson Avenue intersection.

Workers repaved sections of northbound SR 3 between Bremerton and Silverdale. Repairs also were made at five bridges.

In summer 2022, our contractor began fish barrier corrections to replace two outdated culverts at Little Minter Creek under State Route 302. Since 2019, crews have completed paving and ADA ramp work for eight miles of SR 302 in addition to correcting three identified barriers to salmon and resident…

As part of WSDOT's efforts to remove barriers to fish, this project addresses a barrier to fish under SR 302 near Victor Creek

There's a lot of work that needs to be done to keep bridges in good working order. This includes regular cleaning and inspection of the Agate Pass Bridge. The bridge, on SR 305, connects Bainbridge Island to the Kitsap Peninsula. We clean the bridge every February to keep dirt and grime from…

This project removed barriers to fish under SR 305 on Bainbridge Island. A culvert was replaced with a new bridge. The work opened almost 1.5 miles of potential habitat on Murden Creek. The creek is a top salmon stream on Bainbridge Island and is a tributary to Murden Cove.

This project will remove two existing 270-foot-long, 36-inch-diameter concrete pipe culverts on State Route 305 outside of Poulsbo at the Sam Snyder Creek crossing and replace them with a single 239-foot-long steel girder bridge. General work activities include: clearing and grubbing, earthwork…

WSDOT will build two modern roundabouts on Bainbridge Island at the intersections of SR 305 and Northeast West Port Madison and SR 305 and Northeast Adas Will Lane. The improvements include a feature at the intersection of Agatewood Road Northeast which will become a right in/right out intersection…

In summer 2021, contractor crews working for WSDOT resurfaced roughly a 25-mile stretch of State Route 4, between Skamokawa and State Route 432 near west Longview, between mileposts 29.77 to 54.98. Project work and highway modifications continued during the 2022 construction season and is now…

On Tuesday, Feb. 23, 2021, due to roadway settlement caused by heavy rainfall, both directions of State Route 401 (also known as the Lewis and Clark Trail Highway) between the Astoria-Megler Bridge and Naselle were closed.

In spring 2021, emergency contractor crews were able to…

Contractor crews working for WSDOT installed a 10-foot, corrugated metal pipe under State Route 410 to allow Dry Creek to pass beneath the roadway along its new channel. This is the second part of emergency repairs following a debris flow in fall 2022, which permanently changed the course of Dry…

Starting in early 2023, contractor crews will kick off the much-anticipated project to enhance the SR 411 Cowlitz River Bridge, also known as the A Street Bridge or the PH-10 Bridge. This vital bridge connects the City of Castle Rock to the west side of the Cowlitz River.

The primary…

In summer 2023 contactor crews working for the Washington State Department of Transportation resurfaced a nearly 2.5 mile stretch of SR 432 between milepost 7.19 near Industrial Way and milepost 7.19 near the Cowlitz River, in Longview, WA. Crews also resurfaced several off- and on-ramps along…

On Sunday, July 16, 2023, bridge crews fully closed the SR 433 - Lewis and Clark Bridge, also known as the Rainier Bridge, spanning across the Columbia River between Longview, WA, and Rainier, OR, for four days. The closure aimed to replace the steel expansion joints that allowed the structure to…

Beginning in summer 2022, contractor crews from Thompson Bros. Excavating worked to construct a roundabout in east Vancouver, between the intersection of Fourth Plain Boulevard, also known as SR 500 and Northeast 182nd Avenue. Crash data collected over a five-year timeframe between 2013 to 2017…

This project will restore the north/south connection across State Route 500 at the Northeast Stapleton Road/Northeast 54th Avenue intersection in Vancouver by constructing a new pedestrian overcrossing that meets the Americans with Disabilities Act. Restoring access across the highway for people…

Growth and development in eastern Clark County is contributing to an increase in traffic volumes and traffic related crashes along SR 500 - between the Northeast Robinson Road and Northeast 3rd Street intersections. To keep people moving safely, reduce travel times and crashes and to ensure this…

Washington State Department of Transportation’s contractor, Thompson Bros. Excavating, successfully constructed a new shared-use path on the south side of State Route 500, also known as Northeast Fourth Plain Boulevard, between Northeast 162nd and Northeast 166th avenues, allowing those who bike,…

Previously, oversized freight vehicles had to divert from this section of Mill Plain Boulevard (SR 501) onto city streets due to high points in the roadway and limited overhead clearances. Corridor modifications increased safety along the corridor for all modes of transportation. Improvements…