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Learn about current transportation network improvement and preservation activities throughout the state.
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341 results
Project
I-5/NB Lowell Rd to Snohomish River - PCCP & Expansion Joints Rehab - Complete October 2023
Timeline: Fall 2022 - Fall 2023
We rehabilitated more than 3 miles of pavement, replacing broken panels and grinding the surface to eliminate ruts worn by decades of vehicles. In addition, we replaced expansion joints on four bridges. This project was combined with another rehabilitation project on I-90 to reduce costs.
Project
I-5/NB North Lake Samish to Nooksack River – Concrete Pavement Rehab
Timeline: 2024 - To be determined
The project is on I-5 from North Lake Samish (south of the city of Bellingham) to the city of Ferndale near the Nooksack River. The Portland Cement Concrete Panels within the project limits are approximately 60 years old and are near or have exceeded their design life. The project will provide…
Project
I-5/Northgate Way & Maple Rd Bridges – Seismic Retrofit - Complete September 2023
Timeline: Summer 2022 – summer 2023
Through summer 2023, our contractor crews strengthened three bridges on Interstate 5 so they can better withstand a major earthquake. They wrapped steel “jackets” around the columns that support the bridges to hold the concrete together in an earthquake, reducing the chance of collapse. They also…
Project
I-5/SB East Edgar St to East Gwinn Place Noise Wall
Timeline: Spring 2024 – Winter 2024
This project will build a noise wall along southbound Interstate 5 from East Edgar Street to Franklin Avenue East. Contractor crews working for WSDOT will construct a new noise wall to abate noise from the I-5 express lanes just south of the Ship Canal Bridge between Lake Union and Portage Bay.
Project
I-5/Seattle - Enhanced Ramp Metering - Complete February 2024
Timeline: Winter 2022 - Winter 2024
We installed new overhead ramp meters at the Swift Avenue South, South Michigan Street/South Bailey Street and Northeast 50th Street on-ramps to northbound Interstate 5 in Seattle. The new ramp meters regulate both the general purpose lanes and the HOV lanes. They replaced existing ramp meters that…
Project
I-5/SR 523 Interchange Improvement
Timeline: 2020 - 2025
People who use the interchange at I-5 and SR 523 (North 145th Street) in Shoreline need safe and efficient ways to move through this area, using all modes of transportation. This will be increasingly important with the arrival of Sound Transit Link light rail and the new Shoreline South/148th…
Project
I-5/Thornton Creek to Lake Washington Fish Passage
Timeline: Summer 2026 - Fall 2029
This project will remove a fish passage barrier along Thornton Creek under Interstate 5 near State Route 523/NE 145th Avenue in Shoreline. Contractor crews working for WSDOT will replace the two existing 2,000-foot-long, 6-foot culverts with three fish-passable structures. The current culverts are…
Project
I-5/Unnamed Tributary to Penny Creek and Silver Lake Fish Passage
Timeline: Fall 2025 - Spring 2028
This project will remove three barriers to fish passage along two Unnamed Tributaries to Silver Lake and an Unnamed Tributary to Penny Creek under Interstate 5 near 112th Street Southeast in Everett. Contractor crews working for WSDOT will remove existing culverts and replace them with fish-…
Project
I-5/Yesler Way to Northgate Vic - Pavement, Deck, Joints and Drainage
Timeline: Spring 2022 – 2028
We will rehabilitate Interstate 5 between Yesler Way in Seattle and the Northgate vicinity with new concrete panels, pavement, expansion joints and deck repaving through downtown Seattle and Lake Washington Ship Canal Bridge. In summer 2024, Guy F. Atkinson Construction was selected as the design-…
Project
I-90 - Eastgate to SR 900 - Corridor Improvements
Timeline: August 2019 - Spring 2023
This project adds capacity for both directions of I-90 between Eastgate and West Lake Sammamish Parkway interchanges by restriping the roadway and adding an auxiliary lane. Crews also built sound walls in strategic locations to minimize traffic noise.
Project
I-90 - Ritzville to Tokio - Paving - Complete November 2023
Timeline: Spring 2023 - Fall 2023
This project will rehabilitate roughly 13 miles of Interstate 90 from Ritzville to approximately five miles east of Sprague Lake in Adams County. Once the project is completed by grinding and inlaying new HMA (Hot Mix Asphalt), the roadway surface will have a smoother ride that will be preserved…
Project
I-90 - Snoqualmie Pass East - Cabin Creek Interchange to West Easton Interchange (Phase 3)
Timeline: Summer 2022 - Fall 2028
Phase 3 is part of a 15-mile corridor improvement project to improve safety and reliability and reduce congestion along I-90 from Hyak to the Easton vicinity. We are increasing traffic capacity and improving safety by adding a new lane in each direction, replacing concrete pavement, stabilizing…
Project
I-90 - Snoqualmie Pass East - Hyak to Keechelus Dam (Phase 1) - Complete Fall 2019
Timeline: Spring 2009 - Fall 2019
Phase 1 was part of a 15-mile corridor improvement project to improve safety and reliability and reduce congestion along I-90 from Hyak to the Easton vicinity.
Project
I-90 - Snoqualmie Pass East - Keechelus Dam Vicinity to Stampede Pass Interchange (Phase 2) - Complete Fall 2019
Timeline: Summer 2015 - Fall 2019
Phase 2 was part of a 15-mile corridor improvement project to improve safety and reliability and reduce congestion along I-90 from Hyak to the Easton vicinity.
Project
I-90 - Snoqualmie Pass East - Stampede Pass Interchange to Cabin Creek Interchange (Phase 4)
Timeline: Summer 2028 - Fall 2031
Phase 4 is part of a 15-mile corridor improvement project to increase safety and reliability and reduce congestion along I-90 from Hyak to the Easton vicinity.
Major Project
I-90 - Snoqualmie Pass East Project
Timeline: 2009 - 2031
The I-90 Snoqualmie Pass East Project improves 15 miles from Hyak to Easton. Phases 1 and 2 from Hyak to the Stampede Pass interchange are complete. Phase 3 is underway.
Project
I-90 - Sunset Creek - Fish Passage
Timeline: 2023 - 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 to fish passage. In western Washington, that means building hundreds of fish passable structures under state highways in the next decade to create habitat gain…
Project
I-90 Barker to Harvard - Complete October 2023
Timeline: June 2020 - October 2023
Several projects funded through Connecting Washington and partner funds will address the improvement needs on Interstate 90 at the Barker Road interchange, the Harvard Road interchange and local network connections.
Project
I-90 Bridge Deck Preservation – Patching - Complete July 2023
Timeline: August 2022 - July 2023
Multiple bridge decks have fallen below an acceptable rating. This project will rehabilitate the bridge decks by patching potholes and replacing fatigued sections of bridge decks.
Project
I-90 Floating Bridges Anchor Cable Replacement
Timeline: April 2022 - Fall 2022
In Spring 2022, contractor crews working for WSDOT will begin replacing the 38 steel anchor cables on the Lacey V. Murrow and Homer M. Hadley Memorial floating bridge across Interstate 90. Work is expected to be complete this fall.
Project
I-90 Geiger Interchange Improvements - Complete October 2022
Timeline: April 2021 - October 2022
Due to significant growth on the West Plains, three new roundabouts will be constructed at the Geiger/Grove Road interchange with I-90. The reconfigured interchange at Geiger Boulevard and I-90 will provide for more efficient vehicle movement. Improvements include interchange ramp terminal…
Project
I-90 Judkins Park Station – Reconnecting Communities
Timeline: 2023-2027
The I-90/Judkins Park Station—Reconnecting Communities study will identify and recommend changes to the WSDOT I-90 ramps at Rainier Avenue South to improve safe travel for all modes and increase access to the Judkins Park Link light rail station via transit transfer, walking, and biking.
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Project
I-90 Lincoln Co. to BNSF RR Bridge - Roadside Improvements - Complete June 2021
Timeline: April 2021 - June 2021
This project sets out to reduce the risk and severity of run-off-the-road collisions throughout the highway corridor by removing vertical rock cuts and outcrops from the median or by shielding the rock with barrier.
Project
I-90 Mullan Road Overcrossing Bridge Deck Repair - Complete August 2022
Timeline: March 2022 - July 2022
This project will rehabilitate the deteriorating concrete bridge deck for the Mullan Road Bridge over I-90. Crews will remove approximately 1.5 inches of existing concrete through hydro-demolition. Once removed, existing reinforcing steel that is exposed will be evaluated to determine the need and…
Project
I-90 Soderman Creek/SR 202 Unnamed Tributary to Patterson Creek - Fish Passage
Timeline: Fall 2021 – Spring 2027
Several blocked culverts below Interstate 90 and State Route 202 in east King County are a barrier to fish migration and will be replaced with new, larger culverts beginning in 2025. Contractor crews working for WSDOT will replace three culverts under I-90 in Preston and one culvert under SR 202…
Project
I-90 Spokane Ramp Meters - Complete June 2023
Timeline: June 2018 - Summer 2023
Several new ramp meters have been implemented and activated throughout Spokane at on-ramps to both east and westbound I-90 with more coming. The ramp meters are used to space out vehicles as they enter I-90 to reduce the "platooning" of vehicles as they enter and reduce collisions. The…
Project
I-90 Vantage Bridge – Replace Bridge Deck and Special Repairs
Timeline: Spring 2024 - Spring 2028
This project replaces the existing bridge deck on the I-90 Vantage Bridge to maintain the structural integrity, ensure the safety of the highway and extend the life of the bridge. The Vantage Bridge was built in 1962 and the last time the bridge received a major overhaul was in 1982.
Project
I-90 – Lewis, W. Village Park, Schneider Creeks – fish passage projects
Timeline: 2020 to 2029
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 in 2025, WSDOT will build multiple…
Project
I-90 – Rosamond Bridge Deck Rehabilitation - Complete August 2023
Timeline: June 2023 - November 2023
This project will rehabilitate the concrete deck of the I-90 overcrossing at Rosamond Avenue in Spokane. Crews will repair delaminated and deteriorated areas and apply a protective inlay to provide a sound, smooth surface, prevent further corrosion of the reinforcing steel, and preserve structural…
Project
I-90 – Sprague to SR 904 - Illumination Rebuild - Complete November 2023
Timeline: Spring 2023 - Fall 2024
This project will replace a total of 51 luminaires at six interchanges along I-90 between the city of Sprague in Lincoln County and the SR 904 interchange in Spokane County. The aging illumination system will be replaced with modern components including LED light fixtures which will save on…
166,800 electric vehicle
registrations in Washington in 2023, up from 114,600 in 2022.
87 wetland compensation sites
actively monitored on 918 acres in 2023.
25,000 safe animal crossings
in the Snoqualmie Pass East Project area since 2014.