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. Skip Navigation.

The long road to opening the State Route 99 tunnel under downtown Seattle finally has an official end in sight. The project's owner, the Washington State Dept. of Transportation, announced plans ...

SEATTLE - The cost of traveling through the tunnel for State Route 99 under Seattle will soon increase. Starting in July 2025, the Washington State Department of Transportation will hike tolls.

SEATTLE — Toll rates for the State Route 99 tunnel under Seattle are going up. On Tuesday afternoon, the Washington State Transportation Commission voted to raise the tolls by 3%.

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 ...

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 largest single-bore tunnels dug, ...

The Highway 99 tunnel could be ready for Seattle traffic by fall, according to a schedule update by contractors and the state. The builders’ forecast of Oct. 25 to finish construction and ...

Video: How weekend state Route 99 closure will help shape future highway Both directions to close from south end of tunnel to Valley Street for traffic shift By Daniel DeMay , SEATTLEPI.COM STAFF ...

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 ...

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 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 ...