(a) The county executive or his designee and the county police or other authorized persons so designated by the county executive, are hereby authorized and empowered at any time to designate any streets and areas within the county as emergency or temporary no parking zones or temporarily to prohibit vehicular and pedestrian traffic on such streets and areas, in the event of emergencies such as fires, riots, accidents or other events likely to attract large crowds, for the purposes of street maintenance or for any other public purpose.
(b) When and in the event such streets and areas as hereinabove mentioned are so designated, parking of vehicles and vehicular and pedestrian traffic in such streets and areas is prohibited. (1978 L.M.C., ch. 7, § 2.)