michigan highway mile north south state trunkline highway runs region state michigan runs interstate south highway near southern section trunkline runs pair county lines rural area dominated farm fields highway directly connects downtown areas north city lake circle tour follows original version ran west state roughly replaced current highway designated moniker series extensions 1930s highway ran set expansions 1960s added roadways previously carried way north area related section highway numbered connector connector route area route description starts junction near village county line highway follows county line road north village follows avenue town including crossing eastern railway north trunkline intersects continues county line fields northeast moves county line county line near highway intersects passing woodlands crossing fully angles northwest briefly returning north course highway crosses area farm fields road approaches crosses runs east merges form follows washington avenue city inland parallel downtown trunkline intersects follows avenue passes washington avenue runs campus michigan medical center highway passes downtown crosses runs alongside lines railways running immediately river meets freeway exit southeast bridge highway runs continues follow crow island state game area south changes passes james municipal airport transitions follow broadway street downtown street turns west merges highways run concurrently avenue bridge structure spans connect center west bridge follows avenue intersection avenue location turns north avenue runs western city line meets way streets carry business spur intersections thomas streets intersection forms lake circle tour farther north highway turns northwesterly road avenue continues north trunkline heads away runs parallel lake state railway intersects northern end connector route road crosses highway runs community north river road continue north mixed agricultural forest land pass communities south meets northern end freeway terminates maintained michigan_department_of_transportation mdot like state highways michigan maintenance responsibilities department tracks volume traffic uses roadways jurisdiction volumes expressed metric called annual average daily traffic statistical calculation average daily number vehicles segment roadway mdot surveys showed highest traffic levels vehicles daily north junction lowest counts vehicles day south interchange near sections listed national_highway_system concurrency avenue south road area network roads important country economy defense mobility history previous designation state highway system signed followed general path modern highway specifically ran pre freeway indiana state line south harbor springs created november replaced state line north lake north highway redesignated current highway designation highway end connected middle highway extended northward end junction entire trunkline paved middle later year section extended bit farther washington avenue end junction section freeway opened freeway opened truncated northwards slightly area end new highway section freeway opened late early opened extended route end freeway freeway north area opened shown maps following route change routing stayed major intersections connector route connector connector route running miles connecting near community north short freeway originally northern end freeway area opened current designation applied
M-13 (Michigan highway)