state route mile long state highway located entirely washington united_states served role connecting city county seat interstate establishment serving cars day average route description begins grade intersection headed easterly level crossing railway line rural farmland highway turns northeasterly passes passes east enters city limits town crosses rail line terminating diamond interchange exit interstate highway speed limit posted miles hour 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 intersection cars interchange history rail line crosses existed originally belonging portland seattle railway completed connected years opening interstate additional bridges included including metre long concrete continuous box beam bridge carrying highway railway line completed major intersections entire highway
Washington State Route 223