state route mile long state highway state washington serving associated ski areas king counties highway travels southeast interchanges interstate formed segments sunset highway bypassed construction controlled access interstate highway pass vehicles use road average day route description begins half diamond interchange exit north provides access ski area mile highway remainder highway crossing county line bounded west highway pass traveler rest rest area east access provided parking lots south rest area intersection road links diamond interchange road trail cross country auto trail borders west highway parking lots ski area east highway lane mile hour speed limited road enters unincorporated community continues southeastward highway comes way intersection turns north meet exit spur mile long spur route continues east intersection serve maintenance facility served roadway continues south way intersection hybrid half diamond interchange partial cloverleaf serves eastern terminus roadway continues north past interchange lake road named nearby lake year conducts series surveys highways state measure traffic volume expressed terms average annual daily traffic aadt measure traffic volume average day year calculated average vehicles highway near eastern terminus vehicles highway west road truck traffic reported traffic counts remained steady period history automobile roads date car traveled pass lane road competed promote alaska seattle complete race pass built lane road rebuilt abandoned right way chicago milwaukee trail auto trail established highway designated route bridge carries built road able kept open winter numbered addition highway paved came highway construction interstate pass parts new interstate highway system standards new limited access highway built bypassing older roadway roadway known bypassed section old sunset highway interstate highway standards major intersections spur route state route spur spur mile long spur route located entirely unincorporated community branches parent eastern terminus highway travels southeast iron horse trail ends maintenance facility located north end old chicago milwaukee accessible spur acts trail head rail trail conducts series surveys measure traffic volume terms aadt calculated vehicles day spur route number remained steady major intersections entire highway
Washington State Route 906