michigan highway short state trunkline highway state michigan connects community highway originally 1940s briefly local road state highway designated route description runs miles north unincorporated community highway passes rural fields woods enters downtown corner main street drive signed portion ends state maintenance continues drive total length highway including unsigned segment miles 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 traffic levels vehicles daily north junction mile road vehicles day south intersection highway trucks recorded survey sections listed national_highway_system network roads important country economy defense mobility history original ran eastern specific segment roadway ran north turned east connect highway trail trunkline early rerouted current alignment south highway turned local control designated portion major intersections entire highway
M-221 (Michigan highway)