Search projects

Learn about current transportation network improvement and preservation activities throughout the state.

You might be looking for studies or local projects

Filter projects

Select
Select
Select
Select

165 results

Project

I-5 - SR 16 Realignment - HOV Structure and Connections - Complete December 2019

Timeline: January 2017- December 2019
  • Road
  • Completed
  • Pierce County
To increase safety, improve mobility and reduce congestion, WSDOT rebuilt the entire I-5/SR 16 Nalley Valley interchange.

Reconstruction of the interchange was staged to keep people and goods moving. The first two stages of work rebuilt the westbound and eastbound Nalley Valley…
Major Project

I-5 - SR 16 Tacoma/Pierce County HOV Program

Timeline: 2000 to 2022
The Tacoma/Pierce County HOV Program is a series of projects, spanning over 20 years, that build high-occupancy-vehicle (HOV) lanes on I-5, SR 16 and SR 167 in Pierce County.
Project

I-5 - SR 161 - SR 18 Triangle Interchange Vicinity - Improvements

Timeline: 2010-2027
  • Road
  • Pre-construction
  • King County
Improved safety, mobility, and less congestion are the hallmarks of the planned improvements at the I-5/SR 18/SR 161 interchange in Federal Way. This project will build on previous improvements to add a new southbound exit to South 356th Street, rebuild the existing exit to SR 18, and realign the…
Project

I-5 - SR 510 Interchange - Reconstruct Interchange

Timeline: October 2018 - August 2021
  • Road
  • Completed
  • Thurston County
Crews reconfigured the Marvin Road overpass to create a diverging diamond interchange. The rebuilt interchange is intended to help ease congestion and reduce the potential for crashes. The project was constructed ahead of planned major development in Lacey north of I-5.

A diverging…
Project

I-5 - SR 528 - Marine Drive and 88th St. NE Interchanges - Tulalip Tribes lead

Timeline: 2019-2024
  • Road
  • Pre-construction
  • Snohomish County
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

I-5 - Steilacoom-DuPont Rd. to Thorne Lane - Corridor Improvements

Timeline: Fall 2018 - Fall 2021
  • Road
  • Completed
  • Pierce County
To relieve chronic traffic congestion and improve mobility along Interstate 5 in the vicinity of Joint Base Lewis-McChord, WSDOT is rebuilding the interchanges at Thorne Lane and Berkeley Street and adding lanes to I-5. Once construction is finished, the new lane in each direction on I-5 will open…
Project

I-5 - Woodland Vicinity at Horseshoe Lake - Upgrade Pump System

Timeline: Spring 2020 - Fall 2021
  • Road
  • Construction
  • Cowlitz County
The Horseshoe Lake pump station located along Interstate 5 near the City of Woodland in Cowlitz County is a water intake and pump system that moves water from the Lewis River into Horseshoe Lake. The pump keeps water flowing between the lake and the Lewis River and helps maintain water quality in…
Project

I-5 and SR 11 Padden Creek - Fish Passage

Timeline: Fall 2019 - Fall 2022
  • Road
  • Construction
  • Whatcom County
WSDOT will construct this project through the design build process, removing two fish barriers, one under SR 11 at 30th Street, the other under Interstate 5, south of the SR11/Old Fairhaven Parkway on- and off-ramps and replacing them with fish passable structures. Additional improvements will be…
Project

I-5 East Fork Lewis River NB Bridge - Replacement

Timeline: May 2021 - Spring 2022
  • Road
  • Pre-construction
  • Clark County
Beginning in 2022, crews will begin work to remove and replace the aging East Fork Lewis River Bridge located on northbound Interstate 5 at milepost 18.21, approximately 3 miles south of Woodland in Clark County.
Project

I-5 Southbound Samish River Bridge Deck Overlay

Timeline: Winter 2021 - Fall 2022
  • Road
  • Not started
  • Skagit County
This preservation project will replace the top portion of the deteriorating bridge deck of the Samish River Bridge located on I-5 southbound at milepost 234. Crews will replace the worn surface with a new polyester deck overlay. The paved panel joint seals will also be replaced.
Project

I-90 - Eastgate to SR 900 - Corridor Improvements

Timeline: August 2019 - Spring 2022
  • Road
  • Construction
  • King County
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 are also building sound walls in strategic locations to minimize traffic noise.
Project

I-90 - Lewis and Sunset Creeks - Fish Passage

Timeline: Spring 2021 - Winter 2028
  • Road
  • Pre-construction
  • King County
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

I-90 - Liberty Park Pl to Sprague Ave - Paving

Timeline: Summer 2021 - Fall 2021
  • Road
  • Completed
  • Spokane County
The pavement conditions within the limits of this project on I-90 have fallen below an acceptable rating. This project will rehabilitate the roadway along this section to preserve the pavement and pavement structure.
Project

I-90 - Snoqualmie Pass East - Cabin Creek Interchange to West Easton Interchange (Phase 3)

Timeline: Fall 2021 - Fall 2025
  • Road
  • Pre-construction
  • Kittitas County
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 will increase traffic capacity and improve safety by adding a new lane in each direction, replacing concrete pavement, stabilizing rock…
Project

I-90 - Snoqualmie Pass East - Hyak to Keechelus Dam (Phase 1)

Timeline: Spring 2009 - Fall 2019
  • Road
  • Completed
  • Kittitas County
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)

Timeline: Summer 2015 - Fall 2019
  • Road
  • Completed
  • Kittitas County
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 2026 - Fall 2029
  • Road
  • Not started
  • Kittitas County
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 - 2029
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 is complete. Phase 3 begins fall 2021.
Project

I-90 Barker to Harvard

Timeline: June 2020 - August 2022
  • Road
  • Construction
  • Spokane County
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 Eastbound Ramps and Canyon Road Intersection Improvements

Timeline: Spring 2021 - Summer 2021
  • Road
  • Completed
  • Kittitas County
A single-lane roundabout will be constructed in the spring of 2021 at the intersection of I-90 and Canyon Road.
Project

I-90 Geiger Interchange Improvements

Timeline: April 2021 - November 2021
  • Road
  • Construction
  • Spokane County
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 Lincoln Co. to BNSF RR Bridge - Roadside Improvements

Timeline: April 2021 - June 2021
  • Road
  • Completed
  • Spokane County
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 Medical Lake Interchange Improvements

Timeline: July 2019 - June 2021
  • Road
  • Completed
  • Spokane County
The SR 902/Medical Lake interchange reconstruction project is located at the existing State Route 902 interchange with I-90 at exit 272 west of Spokane. This project includes the construction of three roundabouts, a new parallel bridge over I-90 and a shared-use path that will connect to the West…
Project

I-90 Mullan Road Overcrossing Bridge Deck Repair

Timeline: September 2021 - November 2021
  • Road
  • Spokane County
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 Spokane Ramp Meters

Timeline: June 2018 - September 2022
  • Road
  • Completed
  • Spokane County
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 Tokio to Lincoln Co. Line - Paving

Timeline: July 2021 - September 2021
  • Road
  • Completed
  • Adams County
Contractor crews will repave roughly eight miles of Interstate 90 from the Tokio interchange to the Lincoln County line during the summer of 2021.
Project

I-90 – SR 18 Interchange Improvements

Timeline: 2022 - 2025
  • Road
  • Pre-construction
  • King County
Growth in Snoqualmie Valley has made the I-90/SR 18 interchange one of the busiest in the state, causing backups during peak times and busy travel weekends. To improve traffic flow, WSDOT will build a diverging diamond interchange and add two lanes on SR 18 between the interchange and Deep Creek.
Major Project

North Spokane Corridor

Timeline: August 2001 - August 2029
The North Spokane Corridor (NSC) is a 10.5-mile multi-modal corridor. When complete, the NSC will be a 60-mile per hour, north/south limited access facility that connects I-90 at the south (just west of the existing Thor/Freya interchange) and connects to US 2 (at Farwell Road) and US 395 (at…
Major Project

Puget Sound Gateway Program

Timeline: 2015-2028
The Puget Sound Gateway Program combines the SR 509 Completion Project in King County and the SR 167 Completion Project in Pierce County to complete critical missing links in Washington state's highway and freight network. These projects build important new connections to the state's…
Project

Revive I-5: Preserving a vital freeway

Timeline: Now into 2030s
  • Road
  • King County
Dozens of preservation projects are planned to revive Interstate 5 in King and Snohomish counties. Washington’s main freeway was built in the 1960s and needs major preservation and renovation work. Over the coming years, Revive I-5 projects will include pavement repair and full replacement,…

14 fish passage projects were completed in 2020

improving access to 54.2 miles of upstream habitat.

11,959 incidents responded to

by WSDOT’s incident Response teams during second quarter of 2021, 15% more than same quarter in 2020.

41 Pre-existing Funds Projects Advertised

during the eighth quarter of the 2019-2021 biennium.