U.S. Route 87 in Montana
US 87 highlighted in red | ||||
| Route information | ||||
| Maintained by MDT | ||||
| Length | 444.376 mi (715.154 km) | |||
| Existed | 1926–present | |||
| Major junctions | ||||
| South end | I-90 / US 87 at the Wyoming state line | |||
| North end | US 2 near Havre | |||
| Location | ||||
| Country | United States | |||
| State | Montana | |||
| Counties | Big Horn, Yellowstone, Musselshell, Petroleum, Fergus, Judith Basin, Cascade, Chouteau, Hill | |||
| Highway system | ||||
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U.S. Highway 87 (US 87) is a north-south United States Numbered Highway in the state of Montana. It extends approximately 444.4 miles (715.2 km) from the Wyoming state line north to its terminus at US 2 near Havre.