Westbound West Seattle Bridge and southbound Highway 99 are closed until 11 a.m. this morning as Seattle bikers participate in the annual Emerald City Ride.

A serious crash has forced Old Highway 99 between Tenino and Tilley Road to shut down Monday morning.

Four big highway projects will be underway this Mother's Day weekend, spreading congestion to roads that normally wouldn't fill, the state warns.

A fire in the Highway 99 tunnel in Seattle has shut down both directions of traffic on Thursday night, according to the Seattle Department of Transportation (SDOT). The southbound and northbound lanes ...