AZ
Interstates in Arizona
7 Interstate routes run through Arizona: 7 primary.
Primary / East-west
I-8
San Diego to Casa Grande
Active Primary / East-west I-10Santa Monica to Jacksonville
Active Primary / North-south I-11Las Vegas region to northwestern Arizona
Active Primary / North-south I-15San Diego to the Canadian border
Active Primary / North-south I-17Phoenix to Flagstaff
Active Primary / North-south I-19Nogales to Tucson
Active Primary / East-west I-40Barstow to Wilmington
Active