michigan highway state trunkline highway state michigan southwest lower_peninsula highway runs northeast road passes suburban forests farmland vehicles use highway day average runs long series roads follow county lines area current highway bear designation state spur route area 1930s second route connected like numbered state highways ohio indiana current originally highway rerouted highway route description current route starts bus meet crosses river known section northbound southbound sections road road continues north road connects road turns east continues northeastern direction suburb south roadway residential areas north largely undeveloped meets freeway road continues northeasterly past turns northerly road highway curves northeast twin lake avoid lakes area landscape road twin lake like overall route highway woodland northeast forests transition farm land turns north highway meets turns north run county line continues north county line runs west east west highway meets intersection runs line runs township line north intersection follows county line divides enters south terminates intersection middle village miles starting point michigan_department_of_transportation mdot maintains like components michigan state trunkline highway system responsibilities department tracks traffic volumes highway mdot uses metric called average annual daily traffic calculation traffic roadway segment average day year highest traffic levels near southern terminus vehicles day lowest levels mdot calculated vehicles daily section south end listed national_highway_system network roads important nation economy defense mobility remainder highway listed history previous designation originally different roadways state road mile northwest corner numbered early designation replaced moniker road later year number road michigan ohio state line highway connected state route east end state line ran west road line end extended connect state road short north south michigan indiana border middle designation retired ohio highways place today county road michigan connecting current routing successor realigned route western michigan aftermath designation moved routing south renumbered including segment ran concurrently concurrency removed major intersections
M-120 (Michigan highway)