The long road to opening the State Route 99 tunnel under downtown Seattle finally has an official end in sight.

Toll rates are already set for the new State Route 99 tunnel but won't take effect for several months so drivers can familiarize themselves with the tunnel.

Call it a birthday. Or an anniversary. Either way, Seattle’s State Route 99 tunnel has hosted public traffic for an entire year. After what seemed like a tedious slog to get one of the world’s ...

The cost of traveling through the State Route 99 tunnel will soon increase. Starting in July 2025, WSDOT will hike tolls.

Traffic News Toll rates for State Route 99 tunnel are going up The 3% toll increase is a 5-cent increase during off-peak and morning hours, and a 10-cent increase during evening peak hours.

Unlike most state and national highways, the Highway 99 tunnel is still carrying fewer cars and running a toll deficit. Some say it will need a bailout.

The state gained political momentum Thursday toward its goal of digging a tunnel under downtown Seattle to replace the Alaskan Way Viaduct. But many months and a number of milestones remain until ...

Though more than 100,000 folks got a taste of walking, running and biking the new tunnel (as well as bidding an official farewell to viaduct), that was just the beginning of the new State Route 99 ...

The new toll rates on the State Route 99 tunnel in Seattle begin today, increased by 3%. Toll rates will increase by 5 cents during off-peak and morning hours, and by 10 cents during evening peak ...

Just over two months after the State Route 99 tunnel opened, and the Washington State Department of Transportation is finally getting a better picture of how the tunnel is being used. The tunnel ...

Crews will close both directions of state Route 99 between the south end of the Battery Street Tunnel and Valley Street on Friday night through Monday morning. The closure will allow workers to ...

Just over two months after the State Route 99 tunnel opened, and the Washington State Department of Transportation is finally getting a better picture of how the tunnel is being used. The tunnel ...