More than a year before the new State Route 99 tunnel is scheduled to open to vehicles in Seattle, I took a ride Thursday from one end of the 2-mile tube to the other, beneath this booming city and ...

The Washington State Department of Transportation is launching a $1.5 million project to improve traction in the SR 99 tunnels. The work will involve a "shot-blasting" technique to texturize the worn ...

SEATTLE - The first round of inspections for the State Route 99 tunnel since the Alaska Way Viaduct demolition is about to get underway. While crews work on their tests, some closures will be in ...

Starting Monday at 11 p.m., northbound and southbound Highway 99 tunnels will be closed until 4:30 a.m. Tuesday, the Washington State Department of Transportation said in an X post. This is the start ...

This story was originally published on MyNorthwest.com. In their own words, the Washington State Department of Transportation (WSDOT) said, “It’s about time for people who use the State Route 99 (SR ...

SEATTLE – Late night closures of the state Route 99 tunnel are planned as Washington State Department of Transportation's contractor Acme Concrete of Spokane continues to texturize the driving surface ...