michigan highway state trunkline highway eastern state michigan highways michigan curve form shape fact intersections state meets twice result shaped routing rare signed concurrency county designated highway michigan concurrency north system highway designated section current routing sections added encompass segments belonging highway changes came highway northern end extended southern end truncated slightly route description serves populated section state highway passes eastern unit highway listed national_highway_system system strategically important highways section highway north junctions lake superior circle tour paradise southern terminus highway exit interstate north roadway connects old interchange interchange north highway runs northwest community near meets north trunkline crosses adjacent community stop detroit named early settlement founders roadway runs parallel rail line north crossing highway passes community home rock quarry north county line community meets merges railroad tracks town near lakes continuing north highway renamed serves unit meeting designated north continues northwest east west road turns run shores cross near mouth continuing bay meets community paradise northernmost point highway intersects continues north home great lakes museum direction runs southbound paradise changing direction continuing east paradise paved road serves falls state park region acre state park state michigan second largest michigan state parks bordering park located western section park extending park follows passes drains include single foot drop plus collectively called late spring runoff river drains gallons water second making upper falls second vertical east mississippi_river paradise runs inside state park boundaries past park highway known falls road county trunkline turns southwest county line runs south west intersecting highway crosses branch time avenue city highest annual average daily traffic measure traffic volume recorded michigan_department_of_transportation mdot avenue vehicles south downtown meets second time west intersection northern terminus mile highway history construction started 1930s near location current eastern junction designated running north miles hard surface pavement time routed worth road uses roadway later routed north extension southward north came routing uses portion additional extension shown north highway north april official state map section north remarked october state map county road permanently extended north bridge final extension north paradise south completed mile corner south replaced new terminus south southernmost section roadway freeway old transferred maintenance opening freeway november mdot expanded designation previously applied expanded designation highway north recognizing outstanding natural beauty scenic views rivers forests trails previously designation limited county road expansion planned eastern upper peninsula regional planning development commission local governments businesses major intersections
M-123 (Michigan highway)