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The SR 167 Corridor Improvements Project is comprised of the SR 167 Toll Equipment Upgrade Project and the SR 167, SR 516 to South 277th Street Southbound Auxiliary Lane Project. As part of the SR 167 Toll Equipment Upgrade Project, we plan to update the SR 167 toll system to create consistency…

The bridge deck of southbound State Route 167, just north of SR 516/Willis Street, in Kent is worn and has areas of exposed rebar and concrete damage in need of repair. This project will repair concrete and provide a new driving surface for the bridge deck. Construction crews will also replace…

WSDOT plans to construct an additional one mile of general-purpose capacity by adding an auxiliary lane on southbound SR 167 between SR 516 and South 277th Street in Kent. The project aims to address operational challenges and will be constructed using existing shoulder pavement.

In 2021 and 2022, between Maple Valley and Black Diamond we replaced the culvert that carries Ravensdale Creek under SR 169, along with two other nearby culverts. The existing culverts were narrow, which forces the water through too quickly for salmon and other fish to continue upstream.

Reconnecting waterways where our roads act as barriers is a priority for the state. In western Washington, that means building hundreds of fish passable structures under state highways to create habitat essential for meeting fish recovery goals. Beginning as soon as early 2025, WSDOT will begin…

This project removed the existing signal at the intersection and built a multilane roundabout on SR 17 at the intersection of Grape Dr.

A section of roadway on SR 17 between Patton Boulevard and the Interstate 90 interchange is due for resurfacing. Pedestrian facilities at intersections along the way will also be updated to the standards set by the Americans With Disabilities Act.
The project will start with pedestrian…

The purpose of this project is to remove rock from the slopes along SR 17 between Soap Lake and Lake Lenore, just north of Lake Lenore Caves Road, as well as to install slope protection and stabilization measures to prevent future rockfall. Work will occur on eight slopes along SR 17.
This…

The project will build a roundabout to replace the current two-way stop intersection at the corner of Cunningham Road and State Route 17 in Adams County near Othello.

This project will pave roughly three miles of eastbound State Route 18 from C Street Southwest to Green River. Crews working for WSDOT will rehabilitate the existing roadway surface, deteriorated bridge decks and joints of the C Street Southwest bridge and five eastbound on and off-ramps. Once…

SR 18 is a crucial highway connecting the south Puget Sound area with I-90, the state's main east-west route. SR 18 has experienced frequent congestion and collisions for decades.

WSDOT received construction funding from the 2022 Move Ahead Washington transportation package and…

WSDOT will construct a wetland mitigation site inside the Preston Mill Park/Jim Ellis Memorial Regional Park. Project work includes creating and improving wetlands and sensitive area buffers, grading, stream connections, new access roads, plantings, and other improvements. Most work will take…

As part of WSDOT’s fish passage program, we will remove two culverts that do not allow fish to pass and replace them with fish-passable structures along Unnamed Tributary to Big Soos Creek and Unnamed Tributary to Soosette Creek at State Route 18 in Auburn. The new structures have the potential to…

The Samish Indian Nation is partnering with WSDOT and Skagit County to develop a practical solution to improve safety and access at the intersection of SR 20 and Campbell Lake Road.

WSDOT made roadway improvement across three sections of a 12-mile stretch of State Route 20 in Island County. The work included grinding off the old pavement, laying new asphalt and installing new pavement markings. This project will extend the life of the existing pavement and create a smoother…

This project removed a metal pipe under the roadway and replaced it with a fish passable structure to improve fish passage for Red Creek and Unnamed Tributary under State Route 20. The work took place between Helmick Road (milepost 68) and Sims Road (milepost 69), east of Sedro-Woolley.
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Contractors working on behalf of WSDOT will build a compact roundabout at the intersection of State Route 20 and West Fakkema Road. This intersection improvement will help with both mobility and safety.

This project will rehabilitate approximately 11.25 miles of SR 20 in Stevens and Pend Oreille Counties from S. Fork Mill Creek Road to Tiger by removing the surface of the existing pavement and paving with Hot Mix Asphalt (HMA) to create a smoother ride and preserve the roadway for years to come.

WSDOT is currently working on design plans to address safety concerns along the State Route 20 corridor between Sedro-Woolley and Burlington. The intent of this project is to improve safety along this busy stretch of highway with the construction of intersection roundabouts, pedestrian crossings,…

This project took the existing intersection on State Route 20 at Kearney Street in Port Townsend and converted it into a single-lane roundabout.

Contractor crews working on behalf of WSDOT will replace the culvert crossings under State Route 20 at an unnamed tributary to Skagit River (milepost 94) and Olson Creek (milepost 105) in Marblemount. The current culverts are barriers to fish passage, which will be replaced with structures that…

As part of the state's fish recovery efforts, WSDOT has made it a priority to reconnect waterways where roads act as barriers. In Western Washington, that means replacing culverts and building hundreds of fish-passable structures under state highways by 2030 to create more habitat which is…

This project will remove a fish passage barrier along Evans Creek at State Route 202 just west of 236th Avenue Northeast near Sammamish. Contractor crews working for WSDOT will remove an existing 6-foot box culvert and fish ladder and replace it with a fish-passable structure. This new structure…

This project will remove the fish barrier on State Route 202 just east of Fall City at Mud Creek. The project will also improve the safety and reliability of SR 202 by addressing the need for frequent emergency maintenance and channel dredging at the crossing due to sedimentation and flooding of…

In July 2024, WSDOT began replacing two culverts near the intersection of State Route 202 and Northeast 124th Street between Redmond and Woodinville with a single culvert. Two creeks in the area — an unnamed tributary of the Sammamish Creek and High School Creek — will be realigned to merge with…

Beginning in May 2024, contractors working on behalf of WSDOT built a unique compact roundabout at the intersection of SR 203, High Rock Road and 203rd Street Southeast to improve both mobility and safety between Monroe and Duvall.

As part of the state's fish recovery efforts, WSDOT has made it a priority to reconnect waterways where our roads act as barriers. In western Washington, that means building hundreds of fish passable structures under state highways in the next decade to create habitat gain essential for…

This project removes the weight restrictions and restores the structural integrity of the Mabton bridges. The slough bridge will be replaced, and the bridge over the Yakima River will be retrofitted.

This project will remove and replace a failed culvert and reconstruct the existing roadway embankment approximately two miles north of Hunters on State Route 25 that failed in April of 2023 after a major rainfall.

This project will rehabilitate the concrete bridge decks on a pair of bridges in Adams County. The first bridge is located on eastbound I-90 that crosses over SR 21 approximately 15 miles west of Ritzville. The second structure is located on SR 26 that crosses over an abandoned railroad just…