From 1952 to 1962, M-28 crossed US 2 at Wakefield going south and stopped at the Wisconsin border, connecting with a county road. This segment of the highway (now Gogebic CR 519) was transferred back to the county in 1962. M-94 previously looped along Munising-Van Meer-Shingleton Road (now H-58 and H-15) north of M-28 between Munising and Shingleton. This routing was abandoned on November 7, 1963 in favor of the current concurrency. The last significant change to the M-28 routing occurred on March 3, 1989, when the eastern terminus was moved east to M-129.