Minnesota State Highway 78
MN 78 highlighted in red | ||||
| Route information | ||||
| Maintained by MnDOT | ||||
| Length | 46.694 mi (75.147 km) | |||
| Existed | 1933–present | |||
| Major junctions | ||||
| South end | MN 79 near Erdahl | |||
| I-94 / US 52 near Ashby MN 210 at Battle Lake MN 108 at Ottertail MN 108 near Perham | ||||
| North end | US 10 at Perham | |||
| Location | ||||
| Country | United States | |||
| State | Minnesota | |||
| Counties | Grant, Douglas, Otter Tail | |||
| Highway system | ||||
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Minnesota State Highway 78 (MN 78) is a highway in west-central Minnesota, which runs from State Highway 79 near Erdahl and continues north to its northern terminus at its interchange with U.S. Highway 10 in Perham.