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This project will pave 2.5 miles of eastbound and westbound State Route 532 from 270th Street SW (milepost 3.4) to just east of 72nd Avenue NW (milepost 6.0). Crews working for WSDOT will rehabilitate the existing roadway surface and update the roadway striping. Additionally, pedestrian curb ramps…

This project will pave 2.6 miles of eastbound and westbound State Route 532 from North Sunrise Blvd. (milepost 0.0) to just east of Smith Road (milepost 2.6). Crews working for WSDOT will rehabilitate the existing roadway surface and update the roadway striping. Additionally, pedestrian curb ramps…

Contractor crews working for WSDOT repaved a 4.5-mile stretch of State Route 534 in Skagit County. Crews ground out the existing pavement and placed a fresh layer of asphalt, creating a smoother ride for people who use SR 534 and extending the life of the highway. They also installed fresh pavement…

The State Route 536 Skagit River/Division Street bridge received its last coat of paint in 1990. After 36 years, contractor crews are completed vital preservation work to extend its service life. In addition to painting, this project includes all the preparation work before painting, such as…

This project will pave two miles of northbound and southbound State Route 539 from SR 546 (milepost 12.55) to Bay Lyn Drive (milepost 10.40). Crews working for WSDOT will rehabilitate the existing roadway surface and update the roadway striping. Additionally, pedestrian curb ramps will be evaluated…

This project will replace the State Route 542 bridge over Glacier Creek in Whatcom County, in the Community of Glacier. The new bridge will connect to the existing Gallop Creek Bridge, and together, these new structures will reduce flood risk, restore salmon habitat, and improve safety for all…

This project will make improvements to the State Route 542 Bagley Creek Bridge (milepost 49) in Whatcom County. Erosion has exposed a footing of the bridge and caused a hole under the footing.

Contractor crews working on behalf of WSDOT will pour additional concrete, move existing…

This project improved the Kamm Ditch fish passage on SR 546/E. Badger Road, east of Northwood Road (milepost 4), in Whatcom County. Construction on this fish passage project began in July 2022.

This project will pave over two miles of eastbound and westbound State Route 546 from SR 539 (milepost 0.03) to Vinup Road (milepost 2.45), excluding previous fish passage areas at Depot Road (milepost 1.47) and Bender Road (milepost 2.01). Crews working for WSDOT will rehabilitate the existing…

WSDOT built a compact roundabout at the intersection of State Route 546/East Badger Road and Benson Road during the summer of 2026. The new roundabout helps improve safety along the busy SR 546 corridor on the northern edge of Lynden.

This project will improve four stream crossings along State Route 6 near Pe Ell and Chehalis in Lewis County. The crossings, located near mileposts 22.94, 34.85, 35.85 and 43.61, are part of a statewide effort to remove barriers under highways and reconnect fish with important habitat they need to…

This project has identified a series of safety improvements on State Route 7 from SR 507 to 267th Street that are intended to reduce the potential for collisions and enhance mobility for everyone who uses the highway. The project will also repave the roadway.

This project replaced rapid flashing beacons with overhead pedestrian signals at 11 locations along State Route 7 in the Pierce County communities of Parkland and Spanaway. Some locations have improved pedestrian ramps, extensions to the median islands, turn restrictions, and additional pavement…

Crews have largley completed construction on two roundabouts on State Route 507 and State Route 702 in south Pierce County.

To address increased congestion, WSDOT has widened SR 9 from two lanes to four from its southern starting point to Marsh Road, except for a 3-mile section in the middle—from 176th Street Southeast to SR 96—where there is only one northbound lane and two southbound lanes. This project will add a…

WSDOT improved the intersection of SR 9 and SR 204 in Lake Stevens by adding four roundabouts and widening SR 9 to two lanes in each direction immediately south of the intersection. These improvements help manage congestion and improve mobility, provide better access to area businesses and provide…

A paving project began work in June 2026 and created a smoother ride for travelers on three sections of State Route 9 and one section of SR 547 in Whatcom County. The project ground away existing pavement, sealed cracks, placed a new layer of asphalt and installed new pavement markings.

Snohomish County has grown significantly and is experiencing increased traffic along many state highways. State Route 9 was once a rural, two-lane highway. Today, it serves as a key north-south alternative to I-5 for commuters and freight moving through Snohomish County. During peak travel times,…

The Washington State Department and contractor Interwest Construction Inc. (ICI) of Burlington removed barriers to fish migration at two locations along State Route 9 in Skagit County. The project installed new fish passable structures along an unnamed tributary to Nookachamps Creek (milepost 49)…

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 early as 2027, WSDOT will install a new…

State Route 900/Martin Luther King Jr. Way South in the unincorporated Skyway-West Hill community is a busy roadway between Renton and Seattle serving drivers, freight, public transit, bicyclists and pedestrians. This project will construct bicycle and pedestrian facilities on SR 900 that allow…

This project will rehabilitate roughly 18 lane miles of State Route 904 from the I-90 interchange in Tyler to Mullinix Road in Cheney in Spokane County. The project includes removing existing pavement from the roadway surface and repaving with Hot Mix Asphalt (HMA).

State highways cross over rivers and streams in thousands of locations throughout Washington and some can impede fish migration. WSDOT is working to correct these barriers to improve fish passage and foster healthy waterways. That work includes removing or restoring barriers that can limit or…

Beginning in July 2024, contractor crews working for WSDOT re-established fish habitat in the Pilchuck River along State Route 92, just south of Sleepy Hollow Road, near Granite Falls. This project replaced large woody debris constructed as fish habitat in 2016, much of which had washed away. This…

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…

On Feb. 18, 2026, Washington State Department of Transportation bridge inspectors identified cracks in the steel deck grates on the northbound State Route 99 First Avenue South bridge in Seattle, requiring two lanes to close. Crews completed temporary repairs in early March to restore the original…

This project replaces the existing bridge deck on the SR 99 northbound Duwamish River Bridge to preserve the structural integrity of BR 99/530E located over the Duwamish River Waterway. Crews completed temporary repairs in early March (Phase 1). Nine of the 96 panels were replaced in April 2026 (…

Part of a culvert running underneath the State Route 99 on-ramp to eastbound SR 518 in Tukwila failed, damaging the on-ramp as well as the shoulder along the Airport Expressway on-ramp to eastbound SR 518.

Contractor crews repaired failed section of the culvert to prevent further…

The SR 99 tunnel replaced the Alaskan Way Viaduct along Seattle's central waterfront, carrying State Route 99 beneath downtown Seattle. The 2-mile tunnel opened to drivers in February 2019.

This project will resurface the northbound and southbound lanes of State Route 99 from 238th Street Southwest to 148th Street Southwest to extend the pavement service life. Crews will grind and inlay new Hot Mix Asphalt (HMA), perform pavement repair, traffic loop replacement, striping and traffic…