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 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 ...

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 ...

Travelers may experience additional congestion Sunday, Oct. 12, when the Seattle Seahawks host the Kansas City Chiefs at Lumen Field. Also, through Seattle, northbound I-5 in Seattle is reduced to two ...

Snohomish County has grown significantly and is experiencing increased traffic along many state highways. State Route 9 was once a rural, two-lane highway. Today, it serves as a key north-south ...