state route mile long state highway located entirely washington united_states highway serves connect unincorporated community county seat highway existed designated renumbering washington state highways route description starts intersection unincorporated community leaving highway travels north rural farm land lane highway minor roads roadway turns west turning north highway resumes northerly course climbs gaining passing lane segments finally terminating south year conducts series surveys highways state measure traffic volume expressed terms average annual daily traffic aadt measure traffic volume average day year calculated cars traveled central highway cars interchange history roadway current alignment existed records road highway designated route number changed state highway renumbering high winds forced closure large amounts dust blown causing visibility drop zero major intersections entire highway unincorporated
Washington State Route 221