Montana Highway 72 in the U.S. state of Montana is a route running northerly from the Wyoming state line to an intersection with U.S. Route 310 about one mile (1.6 km) south of the town of Bridger, a distance of approximately 21 miles (34 km). At the state line, the road becomes Wyoming Highway 120, which continues 38 miles (61 km) to the town of Cody.