The state road commission may by resolution or order entered in its minutes 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 pedestrians, bicycles, or other nonmotorized traffic or by any person operating a motor-driven cycle.
The state road commission or the local authority adopting any such prohibitory regulation 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.