OLYMPIA – The Washington State Department of Transportation's Cascadia Program is coordinating efforts to address current and future transportation demands throughout the Cascadia megaregion.

This project removed a fish passage barrier along Lyon Creek where it passed beneath State Route 104 just west of 35th Avenue Northeast in Lake Forest Park. Contractor crews working for WSDOT replaced ...

From 9 p.m. Friday, Oct. 16, until 6 a.m. Saturday, Oct. 17, SR 706 will close at Kernahan Road East. The closure creates a work zone for Washington State Department of Transportation maintenance ...

US 12 is Packwood’s main street and an important connection to Mount Rainier National Park, White Pass and other year-round recreation destinations. During busy travel seasons, increased traffic and ...

This project extended HOV lanes in both directions of I-5. The work extended the southbound HOV lane by 1.7 miles to Center Drive. It also extended the northbound HOV lane by 3.5 miles. The new HOV ...

PORT ORCHARD – Sedgwick Road/State Route 160 in Port Orchard reopened to all travelers at 5:30 p.m., Saturday, Oct. 3, after completion of a new bridge over Salmonberry Creek . The section of highway ...

Eastbound SR 520 between I-5 and Montlake Boulevard in Seattle will close for construction from 11 p.m. Friday, Oct. 2, until 5 a.m. Monday, Oct. 5. All traffic from I-5 wanting to enter eastbound SR ...

Passenger and vehicle/driver fares are collected at Anacortes, while no fares are collected at Friday Harbor.

Public invited to share transportation needs and experiences along SR 507 in first of two engagement opportunities. CENTRALIA – People who live, work and travel along State Rout ...

Passenger and vehicle/driver fares are collected at Seattle, while vehicle/driver only fares are collected at Bainbridge Island.