SSH 17A was added to the state highway system in 1937. This route began at Jct PSH 17 at Marblemount and headed westerly via Concrete to Jct SSH 1A in Sedro- Woolley. SSH 17A was transferred to PSH 16 in 1961.
Interstate Routes
US Routes
State Routes
Primary State Hwys
Secondary State Hwys
Home Page
