U.S. Route 2 in Montana
| US 2 highlighted in red | ||||
| Route information | ||||
| Maintained by MDT | ||||
| Length | 666.645 mi (1,072.861 km) | |||
| Existed | 1926–present | |||
| Major junctions | ||||
| West end | US 2 at the Idaho state line west of Troy | |||
| East end | US 2 at the North Dakota state line east of Bainville | |||
| Location | ||||
| Country | United States | |||
| State | Montana | |||
| Counties | Lincoln, Flathead, Glacier, Toole, Liberty, Hill, Blaine, Phillips, Valley, Roosevelt | |||
| Highway system | ||||
| 
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U.S. Highway 2 (US 2) is an east–west United States Numbered Highway in the state of Montana. It extends approximately 666.645 miles (1,072.861 km) from the Idaho state line east to the North Dakota state line.