AZ to Jackson Hole or West Yellowstone
What is the quickest easiest way to get to Jackson Hole, WY once I get on I-15 northbound in Utah? I may go to West Yellowstone, MT instead. Do I go up I-15 to Idaho Falls and then take Hwy 20? ...
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I did the I-15 to 20 to West Yellowstone in 2012. Don't remember any problems.
