Here are the driving directions from Shelby to Yellowstone National Park:
1. Start from Shelby and head south on US-2
2. Stay on US-2 for approximately 115 kilometers (71 miles) until you reach Cut Bank
3. In Cut Bank, turn left onto MT-46 and continue for 129 kilometers (80 miles) until you reach Browning
4. In Browning, turn right onto US-89 and continue for 204 kilometers (127 miles) until you reach the West Entrance of Yellowstone National Park