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.
39-10-21.1. Closing road because of hazardous conditions - Road closure notice - Entering closed road prohibited. 1. The highway patrol or local law enforcement authorities having jurisdiction over a road may close a road temporarily due to hazardous conditions for the protection and safety of the public. If a closing is made, the authority ordering the closing shall make every reasonable attempt to notify the public and, when practical, may post appropriate official traffic-control devices to advise motorists of the closing. 2. If a road closure under subsection 1 has been announced to the public, an individual may not drive on the road.