michigan highway state trunkline highway state michigan highway entirely begins ohio state line state route runs north highway runs farm land outside communities providing access trunkline dates early 1930s unchanged realignment route description crosses michigan southern edge road continues northward residential neighborhoods thirds mile near downtown turns west trunkline follows main street blocks turning north highway exits town near oak grove cemetery follows runs parallel stream farm land near intersection crosses line community north rail crossing follows northward passes east terminating junction like state highways michigan maintained michigan_department_of_transportation mdot department traffic surveys showed average vehicles highway daily main street vehicles day near state line highest lowest counts highway respectively section listed national_highway_system network roads important country economy defense mobility history designated current routing late early fully paved middle highway unchanged series curves changed north construction finished segments highway abandoned public roadway april major intersections entire highway
M-156 (Michigan highway)