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.

Laws 1961, p. 378, § 11-313.