§47-11-313.

§47-11-313.
   
   The Department of Highways or local authorities may, with respect to
   any controlled-access roadway under their respective jurisdictions,
   prohibit the use of any such roadway by pedestrians, bicycles or other
   non-motorized traffic or by any person operating a motor-driven cycle.
   The Department of Highways or local authorities adopting any such
   prohibitory regulations shall erect and maintain official signs on the
   controlled-access roadway on which such regulations are applicable and
   when so erected no person shall disobey the restrictions stated on
   such signs.