U.S. Route 287 - Route Description - Montana

Montana

US-287, US-191, and US-20 cross the Montana State Line in Yellowstone National Park. Just outside the park boundary in West Yellowstone, US-20 heads towards the west while US-287 and US-191 turn north. US-287 and US-191 split north of the town. US-287 heads toward the northwest and US-191 heads northeast, going back into Yellowstone and eventually crossing into Wyoming again. North of Sappington, US-287 merges with SH-2, and runs northeast. At I-90, SH-2 ends and US-287 continues to head north. In Townsend, US-287 merges with US-12 and the two highways continue north. At I-15 (near Helena), US-287 continues north on I-15 and US-12 heads west through downtown Helena. Northeast of Wolf Creek, US-287 and I-15 split with US-287 heading northwest and I-15 heading northeast. US-287 ends at US-89 in Choteau.