She was lost, *over* I-40. Which she and her dad were familiar with. With him saying “that’s I-40”, and with a 50-50 shot, on a beautiful day, picked the wrong direction.
Country folks talk about “city slickers”, sometimes even appropriately. I have no idea how two lifelong East Tennesseans could get so lost. The high mountains, NC/TN line? That’s east. The Big River almost directly below them, just S of the departure airport in the “lost” video- that’s the Tennessee. Clear which way it flows (west) because of location of watts bar dam. Again, follow the river, upstream. The sun, in afternoon- SW.