Secondary State Highway 9B

SSH 9B was added to the state highway system in 1937. This route began at Jct PSH 9 (US 101) north of Forks and headed westerly, crossing the Sol Duc River and ending at Mora. A branch of SSH 9B began at a junction with the trunk of SSH 9B before the Sol Duc River bridge and headed west, ending at La Push. SSH 9B was dropped from the state highway system in 1955.

Former SSH 9B was added back to the state highway system effective April 1, 1992. This highway is now known as SR 110.