Road Trip USA: Border to Border
From the Moon Travel book "Road Trip USA" by Jamie Jensen. This north-south route generally follows US-93 from Jasper National Park in Alberta, Canada to the twin towns of Nogales in Arizona and Sonora, Mexico, with selected sights of interest along the way, as well as some worthwhile detours.
avg. score: 13 of 114 (11%)
required scores: 1, 2, 6, 12, 22