Max elevation: 1902 ft / 580 m Min elevation: 231 ft / 70 m Elevation change: 1671 ft / 509 m
Max grade: 5.2% Min grade: -7.1% Steepness score: 12 + 714 + 3647 + 11 = 4384
Distance: 336.97 mi / 542.31 km Travel Time: 4 hours 59 mins
It looks like one possible route that might be flatter would be to go through Selmer, but make sure you double check everything if you're planning a road trip.
Elevation data comes from different sources and may not reflect true
driving conditions, so talk to other RVers if you're concerned about
steep grades. If you're planning to drive in the winter and you want to avoid snow, check the road conditions from Memphis to Chattanooga. You can also view a 3-D map of Memphis elevation or Chattanooga elevation.
These are some of the possible highways along this route. Use the GPS in your car to verify all driving directions. If you're looking for campgrounds along the way, search for RV parks between Memphis and Chattanooga.