Max elevation: 4499 ft / 1371 m Min elevation: -34 ft / -10 m Elevation change: 4533 ft / 1382 m
Max grade: 6% Min grade: -4.5% Steepness score: 17 + 600 + 2888 + 52 = 3558
Distance: 1618.74 mi / 2605.1 km Travel Time: 25 hours 10 mins
This alternate route appears to be flatter than the direct route from Seattle to Sedona. The "steepness" score is 3558 which is lower than the score of 5221 for the direct route. A lower score means the route is likely to be flatter, but you should also check with other travelers to find out if the roads might be more difficult. If we break down the score into components, the first part is the average elevation score, which is 17 vs 70 for the direct route. The second part is the maximum grade or slope score, which is 600 compared to 550. The third part measures the average grade. This route has a grading score of 2888 vs 4557. Finally, the last part factors in the extra driving distance, which has a score of 52 vs 44. All of these components make up the total score that we use to determine which route has greater steepness and elevation change to give you an idea of waypoints that might lead to the flattest route.
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 Seattle and Sedona.