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 North Dakota. Bicycles, pedestrians and other non-motorized traffic are prohibited on the Interstate system in North Dakota under NDDOT policy and the limited-access framework in NDCC § 24-01-01.1; cyclists must use parallel state highways and county roads.
What this means in practice
Stick to surface streets, US routes, state highways, and dedicated paths. If your route in North Dakota appears to use an Interstate, plan a detour before you start.