Authorities say four people were killed and seven hurt when a motorist trying to pass another car on a two-lane highway hit a charter bus in central Washington state ...

Ramp meters are being installed on I-205 in Clark County, Washington, which may improve commute times, reduce crash risks, and help drivers merge on the highway with ease.

Seattle’s Alaskan Way Viaduct was seismically unsafe, leading to one of the city’s most ambitious projects: the Bertha tunnel. Learn how the project was planned, the challenges faced, and why the ...