(a) When an ordinance has been passed, the owner or lessee of the area to be controlled shall, at his expense, post the signs, paint the lines, arrows, and curbings in the required colors, and install the devices and signals to apprise the public of the existence of the ordinance.
(b) Thereafter, persons who violate these ordinances shall be punished as provided in the ordinances. However, no fine shall be less than five dollars ($5.00) nor more than fifty dollars ($50.00).