michigan highway state trunkline highway northwestern lower_peninsula state michigan highway takes generally southeast northwest direction central state northwestern end lake southeastern end downtown intersection bus bus trunkline runs miles woodlands including areas highway passes agricultural areas lakes region state park near designated 1920s northwestern end near additional disconnected sections designed trunkline 1930s near gaps eliminated end decade remaining segment built 1950s unite single highway change came highway extended current southern terminus route description starts downtown way intersection business loops bus bus town junction runs west following routing drive middle town turns northwesterly meet end freeway near highway continues northwest forest lands lake country trunkline passes northern near crossing intersections south near rural farms roadway subsequently crosses southern near south meets leaves freeway joins run concurrently western end lake separate near lake mitchell turns northwesterly lakes passing eastern shore lake past area runs northeastern corner highway continues woodlands passing small lakes area approaches community turns west joins town separates south crosses continues northwestern course highway crosses northeastern corner runs community way landscape turns agricultural highway skirts southwest crossing river crossing highway enters runs south runs concurrently town highways separate center town turns westward run south shore past memorial field local airport near follows forest avenue highway designation ends intersection town near lake michigan_department_of_transportation mdot maintains like trunkline highways state jurisdiction responsibilities department tracks traffic volumes roadways metric called average annual daily traffic aadt number calculation traffic level segment roadway average day year mdot determined highest traffic levels vehicles daily section highway near lakes mitchell lowest aadt vehicles near trunkline junctions listed national_highway_system network roads important country defense economy mobility history stretch designated beginning mid-1930s construction began central northwestern highway opened south additional sections west northwest end year state paving section completed gravel highway near opened section section northwest opened highway year construction started early connect year started work fill gap highway north sections completed earth graded highway sections fully paved county road built path future road designated state highway connection north concurrency close gap road segment removed year routing near lake mitchell opened southern end truncated slightly freeway bypass opened rerouted lane old original southeastern ending point near roundabout built intersection northbound east opened september major intersections
M-115 (Michigan highway)