No person, public utility, or department in the city shall erect or place any barrier or sign on any street unless of a type approved by the public works director, or disobey the instructions, remove, tamper with, or destroy any barrier or sign lawfully placed on any street by any person, public utility, or by any department of this city.
(Prior code § 11.24.060 (Ord. 581 § 8.5, 1965))