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292 results
Project
2022 Eastern Region Chip Seal - South - Complete October 2022
Timeline: May 2022 - September 2022
This project will preserve multiple state routes across Whitman County in Eastern Washington.
Included in the chip seal project will be constructing bituminous surface treatment (BST), planning bituminous pavement, crack sealing, hot mix asphalt (HMA) paving, pavement repair, and…
Included in the chip seal project will be constructing bituminous surface treatment (BST), planning bituminous pavement, crack sealing, hot mix asphalt (HMA) paving, pavement repair, and…
Project
2023 Eastern Region Chip Seal - North
Timeline: April 2023 - October 2023
This project will preserve multiple state routes across Pend Oreille, Stevens, Lincoln and Adams counties in Eastern Washington.
Chip sealing is the application of a special protective wearing surface to an existing pavement. Included in the chip seal project will be constructing…
Chip sealing is the application of a special protective wearing surface to an existing pavement. Included in the chip seal project will be constructing…
Project
2023-24 Northwest Regional Pavement Repairs and Breakaway Cable Terminal
Timeline: Fall 2023 - Winter 2024
Beginning in September 2023, a regional pavement repair project improved and preserved a five-mile stretch of State Route 18 near the Tiger Mountain State Forest. The project will sealed cracks between Issaquah-Hobart Road Southeast and just south of Raging River. After pausing during the winter,…
Project
21-23 SWR Regionwide Bridges Concrete Deck Patching
Timeline: Summer 2022 - Fall 2023
Between summer 2022 and 2023, WSDOT's contractor, Granite Construction Company, will begin work on this pilot program to rehabilitate the concrete decks of several bridges throughout southwest Washington. Crews will remove all non-cement patches and replace them with cement material, extending…
Major Project
Alaskan Way Viaduct Replacement Program
Timeline: 2007 - 2023
The Alaskan Way Viaduct Replacement Program consists of 30 projects led by the Washington State Department of Transportation, King County, the City of Seattle and the Port of Seattle. The Federal Highway Administration is a partner in this effort.
Project
Anacortes Terminal Tollbooth Replacement Project
Timeline: May 2023 - Fall 2023
The Anacortes Ferry Terminal has provided a gateway to the San Juan Islands and Sidney B.C. for more than 50 years with only minor changes made to the terminal. Washington State Ferries (WSF) plans on updating all four Anacortes Ferry Terminal tollbooths to better serve the ferry customers who use…
Project
Bainbridge Ferry Terminal Overhead Loading Fixed Walkway Replacement
Timeline: 2018 - Early 2024
The ferry route between Seattle and Bainbridge Island is the busiest in the system for walk-on passengers. This project replaces the existing overhead wooden walkway with a wider, safer concrete and steel structure built to current seismic code.
Project
Battery Street Tunnel and North Surface Streets - Complete July 2021
Timeline: February 2019 - July 2021
After SR 99 in Seattle was aligned to run through the SR 99 tunnel, the Battery Street Tunnel was decommissioned and filled and the tunnel's northern approach built into a new arterial street (Seventh Avenue North) featuring bus lanes and reconnected intersections.
Project
East Jefferson County Remove Fish Barriers
Timeline: May 2023 - Fall 2023
This project will remove fish barriers at two locations: one is on State Route 104 at Shine Creek, and the other is on State Route 19 at Swansonville Creek.
At both locations, an 18-foot three-sided culvert will be constructed.
At both locations, an 18-foot three-sided culvert will be constructed.
Project
Eastern Region – Bridge Deck Preventative Preservation – Patching - Complete August 2022
Timeline: May 2022 - August 2022
This project will conduct spot repairs on concrete bridge decks by patching potholes and replacing fatigued sections of concrete on seven bridges within Adams, Franklin, Lincoln, Stevens, and Whitman Counties. Once the project is complete, the service life of the bridges will be extended on rural…
Project
Ferries - Mukilteo Multimodal Terminal Project - Complete December 2020
Timeline: Spring 2015 - December 2020
The Mukilteo/Clinton ferry route is part of State Route 525, the major transportation corridor connecting Whidbey Island to the Seattle-Everett metropolitan area. It is one of the state's busiest routes, with more than 4 million total riders every year. By 2040, walk-on ridership during the…
Project
Ferries - Seattle Multimodal Terminal at Colman Dock Project
Timeline: Summer 2017-2023
Washington State Ferries is replacing the aging and seismically vulnerable Colman Dock in Seattle to maintain its critical role as a regional multimodal transportation hub.
Key project elements include: a concrete and steel trestle, main terminal building, entry building (with retail…
Key project elements include: a concrete and steel trestle, main terminal building, entry building (with retail…
Major Project
Ferry system electrification
Timeline: 2020-2040
Washington State Ferries (WSF) is embarking on an ambitious initiative to begin the transition to an emission-free fleet through a hybrid electric ferry system. WSF operates the largest ferry system in the United States. It is also the biggest contributor of greenhouse gas emissions of any state…
Project
I-405 - BN RR Br to Ped Trail Br & I-90/E Fork Issaquah Creek - Seismic
Timeline: Summer 2022- Winter 2024
In winter 2023, our contractor will begin a project on the I-405 corridor, in Tukwila and Bellevue, to strengthen several overpasses, helping them withstand a major earthquake. They will place steel "jackets" around columns that support overpasses to help keep the concrete together in an…
Project
I-405, Brickyard to SR 527 Improvement Project
Timeline: The project is expected to complete construction in 2028 in alignment with Sound Transit Bus Rapid Transit.
The I-405, Brickyard to SR 527 Improvement Project lies primarily in Bothell on Interstate 405 (I-405), starting just south of the SR 522 interchange and ending at the SR 527 interchange. WSDOT, Sound Transit, and design-build contractor Skanska USA Inc., will work to enhance four and a half miles…
Project
I-405/Lind Ave SW Bridge – Span replacement
Timeline: Spring 2023 - winter 2024
In summer 2023, contractor crews will begin to replace the severely-damaged northern span of the Lind Avenue Southwest bridge over southbound Interstate 405 in Renton. The Lind Avenue overpass will remain closed to vehicles until work is complete. The pedestrian walkways over the bridge will remain…
Project
I-405/Northeast 132nd Street Interchange Project
Timeline: April 2022 - November 2023
WSDOT and design-build contractor Graham Contracting, Ltd. will construct a new on-ramp to northbound I-405 and a new off-ramp from southbound I-405 at Northeast 132nd Street in Kirkland. This type of interchange is known as a half-diamond. After this project is complete, travelers will have the…
Project
I-405/Northeast 85th Street Interchange and Inline BRT Station Project
Timeline: December 2022 - January 2027
WSDOT, Sound Transit, and design-build contractor Graham Contracting, Ltd. are working to reconstruct and improve the I-405/Northeast 85th Street interchange. This project design supports Sound Transit's Stride Bus Rapid Transit (BRT), improves transit connections on Northeast 85th Street, and…
Project
I-405/Renton to Bellevue Widening and Express Toll Lanes Project
Timeline: Summer 2015 - Summer 2025
Travelers on Interstate 405 between Renton and Bellevue experience one of the state’s worst commutes. The I-405 Renton to Bellevue Widening and Express Toll Lanes project includes multimodal transportation and safety improvements to offer more reliable travel choices and keep drivers, transit…
Project
I-405/Ripley Lane Stream Connection Project
Timeline: The project is currently in the design and environmental stages. We anticipate construction will be complete by 2025.
The Ripley Lane Stream Connection Project is part of a series of fish barrier corrections planned by WSDOT for the I-405/SR 167 corridor. The Ripley Lane Stream Connection Project will construct new stream channels by combining two culverts into one open channel. We determined that the proposed…
Major Project
I-405/SR 167 Corridor Program
Timeline: We delivered the first project in 2005, 15 additional projects by 2015 and continue towards construction readiness on funded projects.
The I-405/SR 167 Corridor Program stems from the I-405 Master Plan and SR 167 Corridor Plan, foundational documents that guide project development, funding and delivery. The I-405 Master Plan alone includes over 150 projects designed to improve travel between Lynnwood and the Renton/Tukwila area.…
Project
I-5 - 179th St. Interchange - Interchange Improvements
Timeline: Summer 2023 - Summer 2029
This project will improve mobility and safety for travelers who use the I-5 - Northeast 179th Street interchange by making interchange improvements and replacing signalized intersections with a yet to be determined interchange design at the on- and off-ramp to and from I-5. Route enhancements…
Project
I-5 - Chamber Way - Stage 2
Timeline: Summer 2020 - Late 2026
To keep people and goods moving through Washington State, this project will focus on reducing congestion and improving safety on the I-5 corridor between the Chamber Way interchange and the State Route 6 interchange in Lewis County. Subject to cost savings provided by practical design solutions…
Project
I-5 - Gravelly-Thorne Connector
Timeline: 2023-2025
The Gravelly - Thorne Connector will give pedestrians and bicyclists access to the Tillicum and Woodbrook neighborhoods of Lakewood, from Gravelly Lake Drive
Project
I-5 - Interstate Bridge Replacement Program
Timeline: 2019 - 2035
As the only continuous north-south interstate on the West Coast between Mexico and Canada, I-5 is a vital trade route for regional, national and international economies. With one span now over 100 years old, it is at risk for collapse in the event of a major earthquake and no longer satisfies the…
Project
I-5 - M Street to Portland Avenue - HOV - Complete November 2018
Timeline: 2014 - 2018
This project widened northbound and southbound I-5 so that each direction has four general-purpose lanes each and one HOV lane from M Street to Portland Avenue in Tacoma
To widen both directions of I-5, WSDOT rebuilt the Pacific Avenue and East McKinley Way bridges over I-5 and…
To widen both directions of I-5, WSDOT rebuilt the Pacific Avenue and East McKinley Way bridges over I-5 and…
Project
I-5 - Mounts Rd. to Center Dr. - Auxiliary Lane Extension - Complete September 2018
Timeline: 2016-2018
WSDOT extended the auxiliary lane south approximately 1.5 miles, so that it starts at the Mounts Road overpass. Trucks approaching the weigh station along with entering and exiting traffic use this lane while the majority of traffic uses the adjacent three through lanes.
To…
To…
Project
I-5 - Mounts Rd. to Steilacoom-DuPont Rd. - Corridor Improvements
Timeline: 2023-2026
To relieve chronic traffic congestion and improve mobility along I-5 in the vicinity of Joint Base Lewis-McChord, WSDOT will rebuild the interchange of Steilacoom-DuPont Road (Exit 119) and extend HOV lanes on I-5 in the DuPont area. This will support congestion relief on I-5 during peak traffic…
Major Project
I-5 - Mounts Road to Thorne Lane I/C - Corridor Improvements
Timeline: July 2015 to December 2025
In July 2015, the Washington State Legislature included $495 million to fund the I-5 Mounts Road to Thorne Lane Interchange - Corridor Improvements project, as part of the Connecting Washington transportation revenue package. The project is funded through a 10 year period, from 2015-2025.
Project
I-5 - NB Marine View Drive to SR 529 - Corridor and Interchange Improvements
Timeline: 2022 - 2024
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.
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