Steep Grades - AZ
US-60, between Miami, AZ to Superior, AZ in Arizona, has steep and down hills but with beautiful scenery.
Route 89, Arizona - From Congress, AZ to Yarnell, AZ - Steep grades
The I-17 heading towards Flagstaff, AZ from Camp Verde, AZ - up to a 3,000 ft climb
I - 40 from Kingman, AZ to Ashfork Arizona. Steep upgrade eastbound
Steep hills on the US-89, Arizona, between Page, AZ and Bitter Springs, AZ
Hwy 89A east bound from Fredonia, AZ past Jacob Lake - steady up and down around 3,000 ft