Minnesota State Highway 237  Minnesota State Highway 237 (MN 237) is a short highway in central Minnesota, which runs from its intersection with Stearns County State-Aid Highways 12 and 30 in New Munich and continues north to its northern terminus at its interchange with Interstate 94 and Stearns County State-Aid Highway 65 (Thunder Road) in Oak Township near Melrose. MN 237 passes through the city of New Munich. Highway 237 serves as a short north–south connector route between Interstate 94 and the town of New Munich in central Minnesota. Highway 237 is also known as "Main Street" in New Munich. The route is legally defined as Route 237 in the Minnesota Statutes. Highway 237 was authorized on July 1, 1949. The route was paved when it was marked.