Washington State Route 8 Washington State Route 8 State Route 8 (SR 8) is a state highway in Grays Harbor and Thurston counties, of the U.S. state of Washington. It extends from U.S. Route 12 (US 12) in the city of Elma, east to an interchange with US 101 about northwest of the state capital, Olympia. SR 8 intersects SR 108 west of McCleary. The route connects Elma and Olympia as part of a corridor between Aberdeen and the Puget Sound region. The highway was part of the Elma – Grand Mound branch of Primary State Highway 9 (PSH 9 EG) from 1937 until
Washington State Route 902 I-90/US 395. Before the 1964 state highway renumbering, SR 902 was numbered Secondary State Highway 11D, a branch of Primary State Highway 11, the predecessor to US 395 through the region. No changes have been made to the alignment of the roadway, however the legal definition of the highway was changed during the 1991 legislative session. Washington State Route 902 State Route 902 (SR 902) is a long state highway located entirely in Spokane County, Washington, United States. The highway serves to connect Lakeland Village and Medical Lake to the county seat of Spokane. The highway has existed since at