Seattle, WA on I90 towards Yellowstone
We're coming from Portland, OR up to Seattle, WA then on I90 towards Yellowstone. We'll actually leave I90 going toward Island Park, ID I think on 287 to do some fishing. We've never been on I...
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Well headed East from Ryegrass flats to Vantage is 10 miles of steady 5 to 6 percent down grade, best have a good working exhaust brake.
