CA
Interstates in California
14 Interstate routes run through California: 6 primary, 8 auxiliary.
Primary / North-south
I-5
San Diego to the Canadian border
Active Primary / East-west I-8San Diego to Casa Grande
Active Primary / East-west I-10Santa Monica to Jacksonville
Active Primary / North-south I-15San Diego to the Canadian border
Active Primary / East-west I-40Barstow to Wilmington
Active Primary / East-west I-80San Francisco to Teaneck
Active Auxiliary / Auxiliary I-105Los Angeles region
Notable Auxiliary / Auxiliary I-110Los Angeles and El Paso
Notable Auxiliary / Auxiliary I-205Tracy and Portland-Vancouver
Notable Auxiliary / Auxiliary I-215Inland Empire, Las Vegas, Salt Lake City
Notable Auxiliary / Auxiliary I-238Castro Valley to San Lorenzo
Notable Auxiliary / Auxiliary I-280Bay Area, Quad Cities, New Jersey
Notable Auxiliary / Auxiliary I-805San Diego
Notable Auxiliary / Auxiliary I-880Bay Area and Council Bluffs
Notable