No person shall operate a vehicle contrary to the directions or provisions of any barrier or sign erected: (1) pursuant to the provisions of any ordinance of the city of Palo Alto; (2) by any public utility; (3) by any department of the city of Palo Alto; or (4) by any other person pursuant to law or contract with the city; nor shall any unauthorized person move or alter the position of any such barrier or sign.
(Ord. 1714 (part), 1956: prior code § 19.75)