with Business US 12 (Bus. US 12) through Niles in the process. In early 2010, the central section of Bus. US 12 was transferred to the City of Niles. In doing so, the Bus. US 12 designation was decommissioned in the city, removing that designation from the M-51 concurrency. Major intersections See also References External links M-51 at Michigan Highways 051 Dixie Highway Transportation in Berrien County, Michigan Transportation in Cass County, Michigan Transportation in Van Buren County, Michigan