The new SR 99 tunnel under Seattle
The #realign99 highway closure set to begin Jan. 11, 2019. Make your plan!
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 >
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 >