The Chief of Police shall have the authority, when reasonably necessary, to prohibit or restrict the parking of vehicles along a highway or part thereof constituting a part of the route of parade. The Chief of Police shall post signs to such effect, and it shall be unlawful for any person to park or leave unattended any vehicle in violation thereof. No person shall be liable for parking on a street unposted in violation of this chapter.
(1987 Code § 15-18)