SC
Interstates in South Carolina
6 Interstate routes run through South Carolina: 6 primary.
Primary / East-west
I-20
West Texas to South Carolina
Active Primary / East-west I-26Tri-Cities to Charleston
Active Primary / East-west I-74Midwest and Carolinas segments
Active Primary / North-south I-77Columbia to Cleveland
Active Primary / North-south I-85Montgomery to Petersburg
Active Primary / North-south I-95Miami to Houlton
Active