Whenever public safety or the improvement or repair of any street, alley or public place requires it, the Mayor may order any street, alley or public place temporarily closed to traffic and the placing of signs indicating that the street, alley or public place is closed by order of the Mayor. Whenever such signs are so placed, no person shall ride or drive upon, or cross such street, alley or public place, or in any manner, destroy, deface or remove any such sign.
(1975 Code, § 33.07) Penalty, see § 96.99