Interstate 17 connects Phoenix to Flagstaff. There is a drastic change in scenery and elevation between its two ends. The highway's southern terminus is in Phoenix, at about 1,000 feet above sea level and in the desert, while the northern terminus of Interstate 17 is in Flagstaff, which is about 7,000 feet above sea level and in a forest.
Counties Traveled Through:
Maricopa, Yavapai, Coconino
Interstate 10 (Exit 194 & Exits 200A-B)
Loop 101 (Exit 214C)
Interstate 40 (Exits 340A-B)