 Provincial Trunk Highway 31 | ||||
|---|---|---|---|---|
| Route information | ||||
| Maintained by Department of Infrastructure | ||||
| Length | 22 km (14 mi) | |||
| Existed | 1959–present | |||
| Major junctions | ||||
| South end |  ND 1 (Maida–Windygates Border Crossing | |||
| North end |   PTH 3 / PR 240 near Darlingford | |||
| Location | ||||
| Country | Canada | |||
| Province | Manitoba | |||
| Rural municipalities | Pembina | |||
| Highway system | ||||
| ||||
Provincial Trunk Highway 31 (PTH 31) is a provincial highway in the Canadian province of Manitoba. It is a short highway that runs from PTH 3 to the U.S. border where it becomes North Dakota State Highway 1. The entire highway lies within the Municipality of Pembina.