LA
Interstates in Louisiana
8 Interstate routes run through Louisiana: 7 primary, 1 auxiliary.
Primary / East-west
I-10
Santa Monica to Jacksonville
Active Primary / East-west I-12Baton Rouge to Slidell
Active Primary / East-west I-20West Texas to South Carolina
Active Primary / North-south I-49Gulf Coast corridor toward Kansas City
Active Primary / North-south I-55New Orleans to Chicago
Active Primary / North-south I-59New Orleans area to Wildwood
Active Primary / North-south I-69Segmented Canada-to-Mexico corridor
Active Auxiliary / Auxiliary I-610New Orleans and Houston
Notable