White Cloud replacing M-82 to US 31 in New Era. The Michigan Department of Transportation (MDOT) swapped jurisdiction of M-20 and B-88 with Mecosta and Newaygo counties. The swap was finalized on October 1, 1998. M-20 was rerouted south from Big Rapids, along US 131 from exit 139 to exit 131 at Stanwood. There M-20 replaced B-88 westward to M-37. Major intersections See also References External links M-20 at Michigan Highways 020 U.S. Route 10 Transportation in Oceana County, Michigan Transportation in Newaygo County, Michigan Transportation in Mecosta County, Michigan Transportation in Isabella County, Michigan Transportation in Midland County, Michigan Transportation in Bay County, Michigan