Secondary State Highway 8B

SSH 8B was added to the state highway system in 1937. This route began at Jct PSH 8 (US 830) in Washougal and headed northeasterly along the Washougal River, then curved and headed southeasterly, ending at a junction with PSH 8 (US 830) a few miles east of the Clark-Skamania County line. When the current state highway nubering system was first posted in January 1964, SSH 8B became signed as SR 120.