Has anyone here used these routes or seen this site, http://www.treknow.com, or have any experience with them?
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Current van: 2002 Ford E350 extended body camper with Colorado Camper Van pop top and Agile Offroad 4WD conversion.
Dunno about the quality of the tracks themselves, but the routes they cover are certainly quality. I looked at the UT ones, and they are definitely some fine trips there. I'd say the ratings are pretty spot on, at least in normal conditions (so much in S UT is "x, unless it rains, when it's impassable" anyway).
2001 Ford E250 Sportsmobile with Salem-Kroger 4x4 conversion