SNOQUALMIE, Wash. — Washington state’s second diverging diamond interchange opened Friday morning near state Route 18 and ...

WSDOT is urging drivers to prepare for a weekend of traffic delays due to major events and construction across the Seattle ...

Washington State has opened a new diverging diamond interchange at I-90 and SR 18 to improve traffic flow and safety.

The Washington State Department of Transportation is blaming a “cybersecurity incident” for taking out parts of its website and app this week, disrupting the flow of travel-related information.

WSDOT is seeking sanctions against ex-employee Scott Smith and his lawyers after a baseless lawsuit was withdrawn.

A dramatic incident unfolded early Saturday morning on eastbound I-90 when a car, with one of its tires ablaze and fire trailing behind it, hit a WSP trooper ve ...

Cleanup crews are working to contain petroleum that leaked from a tanker truck that crashed and flipped upside down on ...

Chehalis Tribe among backers of plan to connect Olympic Peninsula with Cascades through a new wildlife corridor ...

All Level 3: Go Now evacuations dropped to Level 2: Be Set, while all Level 1: Get Ready orders have been eliminated. All ...

An aerial view of the Alaskan Way Viaduct and downtown Seattle in 2018. The viaduct has been closed and is being replaced by a two-mile double-decker traffic tunnel. (Washington State Department ...

The head of Washington State Ferries is stepping down in early 2024 after three years on the job and more than three decades at the Washington State Department of Transportation.