OH
Interstates in Ohio
10 Interstate routes run through Ohio: 8 primary, 2 auxiliary.
Primary / East-west
I-70
Cove Fort to Baltimore
Active Primary / North-south I-71Louisville to Cleveland
Active Primary / East-west I-74Midwest and Carolinas segments
Active Primary / North-south I-75Miami Lakes to Sault Ste. Marie
Active Primary / East-west I-76 (PA-NJ)Ohio Turnpike to Camden
Active Primary / North-south I-77Columbia to Cleveland
Active Primary / East-west I-80San Francisco to Teaneck
Active Primary / East-west I-90Seattle to Boston
Active Auxiliary / Auxiliary I-270Denver, St. Louis, Washington, Columbus
Notable Auxiliary / Auxiliary I-275Tampa Bay, Cincinnati, Detroit
Notable