N.D. Cent. Code § 39-10-21: Restrictions on use of controlled-access roadway

The director may by order, and local authorities may by ordinance, with respect to any controlled-access roadway under their respective jurisdictions, prohibit the use of any such roadway by any class or kind of traffic which is found incompatible with the normal and safe movement of traffic. The director or the local authority adopting any such prohibition shall erect and maintain official traffic-control devices on the controlled-access roadway on which such prohibitions are applicable and when in place no person may disobey the restrictions stated on such devices.