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 109 segment of SR 109 Spur in 2007 was the US 101 intersection with a daily average of 410 motorists. Within Hoquiam, SR 109 is split into two streets, Emerson Street is signed as SR 109 northbound and Simpson Avenue is signed as the SR 109 Couplet (eastbound) and runs from SR 109 to a US 101 couplet, which continues south as Simpson Avenue. The daily average of the couplet in 2007 was 4,500 motorists. Washington State Route 109 State Route 109 (SR 109) is a Washington state highway in Grays Harbor County. Beginning at its terminus at (US 101) in