Whenever the Police Department prescribes with posts, chains or by markings upon the pavement any safety zone upon the streets of the city, it shall be unlawful for any person to drive, park, stop or drive any motor vehicle inside of said safety zone. It shall be unlawful for any person or persons to park or stop any motor vehicle between the curbline of any street and any chain, post or pavement marking which may be established by the Police Department indicating safety zones upon the street, or within a distance of three feet therefrom.
('77 Code, § 10-8) Penalty, see § 71.99