This guide is for general information only and is not legal advice. Laws change — verify current rules with your state DOT or a licensed attorney before relying on this for any legal matter. Read full disclaimer.
The rule
Bicycles are prohibited on Interstate highways in South Carolina. Bicycles are prohibited on Interstate highways in South Carolina under SCDOT regulations governing limited-access facilities. I-26, I-77, I-85 and I-95 are closed to bicycle traffic; cyclists must route on parallel US, SC and county routes.
What this means in practice
Stick to surface streets, US routes, state highways, and dedicated paths. If your route in South Carolina appears to use an Interstate, plan a detour before you start.