The new SR 99 tunnel under Seattle

The #realign99 highway closure set to begin Jan. 11, 2019. Make your plan!

New route through Seattle

Tunnel opens early 2019

The new tunnel will provide a direct route through Seattle between the sports stadiums and the Space Needle. The south end connects to Alaskan Way and downtown, the north end connects to Seattle Center and South Lake Union.

Learn more about how to get around via the tunnel >

Alaskan Way Viaduct demolition

Viaduct removal starts early 2019

The Alaskan Way Viaduct will remain open until the #realign99 closure begins. Shortly after the tunnel opens, crews will begin removing the viaduct, as well as closing and sealing the Battery Street Tunnel.

Read more about what to expect >

Good To Go! tolling

Tolls in the tunnel

The tunnel will be free to use when it first opens. The Washington State Transportation Commission has proposed SR 99 tunnel toll rates ranging from $1 to $2.25 for Good To Go! customers.

Learn how tolling will work >