AMP: 0 Location: Canyon St and Firehole Ave, W. Yellowstone Reassurance shield after the junction AMP: 0 Location: Canyon St and Yellowstone Ave, W. Yellowstone Turn left here for the three routes into Yellowstone. AMP: 0 Location: Yellowstone Ave at Yellowstone National Park, W. Yellowstone The routes end here at the entrance to Yellowstone. All three routes here … Continue reading U.S. Route 287, US-20 to Yellowstone National Park (TO US-14/US-16/US-20/US-89/US-191/US-212)