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Learn about current transportation network improvement and preservation activities throughout the state.
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24 results
Project
2023-24 Northwest Regional Pavement Repairs and Breakaway Cable Terminal
Timeline: Spring 2024 - Summer 2024
A regional project beginning in March 2024 will update 24 guardrails and attenuators along Interstates 5, 90 and 405, US 2 and State Routes 522 and 527 in King, Snohomish and Whatcom counties. The breakaway cable terminals, or guardrail protective end caps, face oncoming traffic and will be…
Project
I-5 - NB Marine View Drive to SR 529 - Corridor and Interchange Improvements
Timeline: 2022 - 2025
To address congestion at the I-5/SR 528 interchange and on I-5 between Everett and Marysville, WSDOT will build a new roundabout at the I-5/SR 529 interchange, add new ramps from I-5 northbound to SR 529 and SR 529 to southbound I-5, and extend the I-5 northbound HOV lane from near US 2 to SR 529.
Project
I-5 - Snohomish River Bridge Painting
Timeline: Summer 2023-fall 2024
Corrosion from weather can damage bridges. Beginning in summer 2023, contractor crews will clean and paint the metal surfaces of the I-5 Snohomish River Bridge in Everett to prevent this. This work will prolong the life of the bridge.
Project
I-5 - SR 528 - Marine Drive and 88th St. NE Interchanges - Tulalip Tribes lead
Timeline: 2019-2024
The Marine Drive and 88th Street Northeast interchanges near Marysville are frequently congested, with traffic backing up onto I-5. They're also two of only three access points to the Tulalip Tribes reservation. The Tribes are leading this project to improve access and mobility at the…
Project
SR 203/High Rock Rd & 203rd St SE – Intersection Improvement
Timeline: Spring 2024 - Summer 2024
In 2024, contractors working on behalf of WSDOT will build a unique compact roundabout at the intersection of SR 203, High Rock Road and 203rd Street Southeast to improve both mobility and safety.
Project
SR 204/Unnamed Tributary to Ebey Slough Fish Passage
Timeline: Spring 2022 - Winter 2026
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…
Project
SR 522 - Paradise Lake Rd to Snohomish River Br - Interchange & Widening
Timeline: 2017 - 2025
SR 522 in Snohomish County is an increasingly important north-south route connecting communities between Woodinville and Monroe. One section between Paradise Lake Road in Maltby and the Snohomish River remains one-lane in each direction. We plan to widen the highway to two lanes in each direction,…
Project
SR 524/Martha Creek to Swamp Creek Fish Passage
Timeline: Fall 2025 - Spring 2028
This project will remove a barrier to fish passage along Martha Creek on State Route 524 near Lynnwood. Contractor crews working for WSDOT will remove the existing culvert and replace it with a fish-passable structure. This new structure has the potential to open more than 1.5 miles of habitat for…
Project
SR 524/Scriber Creek Fish Passage
Timeline: Spring 2023 - Summer 2028
Reconnecting waterways where roads act as barriers is a priority for the state. In western Washington, this means building hundreds of fish passage structures under state highways to create habitat that is essential for meeting fish recovery goals.
A culvert under State Route 524…
A culvert under State Route 524…
Project
SR 525 Pedestrian and Traffic Improvements
Timeline: October 2023 - Spring 2024
In fall 2023, we added 4 feet of width to a sidewalk along northbound State Route 525/Mukilteo Speedway in Mukilteo to make it 7.5 feet wide on a bridge over the BNSF railroad tracks. We also added new ADA-compliant curb ramps and upgraded the railing between Second and First streets.
Project
SR 525/Box Springs, Maple Creek and Unnamed Tributary to Swamp Creek Fish Passage
Timeline: Fall 2025 - Spring 2028
This project will remove three barriers to fish passage along Box Springs Creek, Maple Creek and Unnamed Tributary to Swamp Creek under State Route 525 near Lynnwood. Contractor crews working for WSDOT will remove existing culverts and replace them with fish-passable structures. These new…
Project
SR 525/I-405 Interchange to SR 99 Vicinity - Paving & ADA
Timeline: Summer 2025 - Fall 2025
Crews working for WSDOT will pave roughly two miles in both directions of State Route 525 from the Interstate 405 interchange to just south of 148th Street Southwest, as well as, eight ramps. The two bridges over Alderwood Mall Parkway and Maple Road will not be paved. Once contractor crews finish…
Project
SR 526 - Corridor Improvements
Timeline: Spring 2017 - Spring 2026
Portions of the State Route 526 corridor will be improved with construction of an eastbound lane between Hardeson Road/5th Ave NW and I-5, improved signal operations at the SR 526/527 intersection and new ramp meters from eastbound SR 526 to northbound I-5. Work includes roadway widening in…
Project
SR 527 - Penny Creek - Fish Passage
Timeline: Fall 2022 - Fall 2025
As part of WSDOT’s fish passage program, we will build a 26-foot fish-passable structure under SR 527 just south of 164th Street Southeast in Mill Creek. The current 9-foot culvert causes water to flow too fast for fish to continue upstream. The new bridge span will open more than 8 miles of…
Project
SR 528/Munson Creek to Allen Creek Fish Passage
Timeline: Spring 2022 - Fall 2027
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…
Project
SR 529/Snohomish River & Steamboat Slough - Bridge Repair, Rehab & Paint
Timeline: Summer 2023 – Winter 2024
Corrosion from weather is damaging the Snohomish River Bridge and Steamboat Slough Bridge. Beginning in 2023, crews working for WSDOT will rehabilitate the northbound SR 529 Snohomish River Bridge between Everett and Marysville by repairing or replacing steel truss elements, substructure elements,…
Project
SR 531 - 43rd Ave NE to 67th Ave NE - Widening
Timeline: July 2019 - Winter 2026
This section of SR 531 between 43rd Avenue Northeast and 67th Avenue Northeast in Arlington will be widened to add a second lane in each direction. In addition, roundabouts will be added at three intersections to improve safety, travel times and reduce congestion.
Project
SR 9 - 176th Street SE to SR 96 - Widening
Timeline: 2025 - 2027
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…
Project
SR 9 - SR 204 Intersection Improvements
Timeline: July 2016 - Spring 2024
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…
Project
SR 9 – Marsh Road to 2nd Street Vicinity – Widening & Bridge Painting
Timeline: 2019 - 2026
This project will widen State Route 9 between Marsh Road and 2nd Street near the city of Snohomish, build southbound bridges directly to the west of the existing bridges—which will become northbound lanes—over the Snohomish River, and rebuild the on-ramp from 2nd Street to southbound SR 9. It also…
Project
SR 92/Lundeen Creek to Lake Stevens Fish Passage
Timeline: 2022 - November 2026
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…
Project
SR 92/Pilchuck River CED – Woody Debris Repair
Timeline: Summer 2024 - Fall 2024
In 2024, crews working for WSDOT will re-establish fish habitat in the Pilchuck River along State Route 92, just south of Sleepy Hollow Road, near Granite Falls. This project will replace large woody debris constructed as fish habitat in 2016, much of which has washed away. This project will use a…
Project
SR 96 - North Creek Fish Passage
Timeline: Summer 2023 to Winter 2024
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…
Project
US 2 Trestle Capacity Improvements & Westbound Trestle Replacement
Timeline: August 2023 - August 2025
The US 2 trestle in Snohomish County is the only direct highway route across the Snohomish River to Interstate 5 (I-5). The US 2 Trestle Capacity Improvements & Westbound Trestle Replacement project begins with a Planning and Environmental Linkages (PEL) study. Federal PEL studies allow us to…
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