michigan highway state trunkline highway state michigan runs north south direction midland area highway runs rural parts counties lower_peninsula southern end runs parallel prior southern terminus ended junction segment south highway returned local control decommissioned extended southerly restoring highway decommissioned 1960s route description rural lane highway follows road starting intersection isabella road outside midland intersection highway runs north forest lands crossing near passes community crosses freeway near location crosses narrow section road continues north running parallel lake point near highway turns westerly curtis road northerly midland road crossing past river lake crossings angles northeast return area adjacent lake farm land continuing north highway returns woodlands state forest intersects wooden shoe village near highway continues parallel crossing smaller tributaries point south county line trunkline passes small unnamed unincorporated community northwest near indian lakes road turns northeast lakes area crosses county line near edwards continues northward highway turns northeast approaches crossing interchange ends west michigan_department_of_transportation mdot maintains like parts state trunkline highway system responsibilities department tracks volume traffic roads surveys metric called average annual daily traffic aadt mdot traffic level segment roadway average day year surveys highest traffic levels observed section north vehicles day lowest aadt levels vehicles junction county line survey include section south segment listed national_highway_system network roads important nation economy defense mobility history designated july original routing ran south roadway portion extension south led extension south end completely paved miles gravel roadway completed midland county line year truncated end freeway remaining portion south turned county control michigan_department_of_transportation mdot signed memorandum understanding transferred control road south roadway transferred included newly constructed bridge segments roadway rebuilt major intersections
M-30 (Michigan highway)