From Idaho:
1. Take Interstate 15, or Interstate 84 south from Idaho.
2. Take Interstate 15 / 84 south to Salt Lake City.
3. Turn west onto Interstate 80 to the Nevada border.
From Wyoming:
1. Take Interstate 80 west to Interstate 84.
2. Turn west onto Interstate 84.
3. Take Interstate 84 west to State Route 65.
4. Turn southwest onto State Route 65.
5. Take SR 65 west to Interstate 80.
6. Turn west onto Interstate 80.
7. Continue west on Interstate 80 through Salt Lake City and the Nevada border.
Total original route miles in Utah (including alternate routes): 349
