PLEASE NOTE: this roadway is under construction. Please visit SDOT for the most up-to-date information on the project. Routes are subject to change during construction.
SR-99 tunnel project: Visit SDOT’s Viaduct update page or call the Alaskan Way Viaduct Program Hotline at 1-888-298-5463.
Mercer Corridor Project: Call the 24-hour construction hotline at 206-419-5818 or send your email to firstname.lastname@example.org