503.05  ON VEHICLES.
   (a)   No person shall:
      (1)   Display or cause to be displayed any written or printed sign by way of advertising, whether mercantile, political or otherwise projected on the top of any vehicle.
      (2)   Display or cause to be affixed to any vehicle any sign by way of advertising (other than mercantile signs permanently affixed to a vehicle) which exceeds a total of one square foot in area. The provisions of this section shall not apply to vehicles being used for public transportation.
(Ord. 25-64. Passed 10-5-64.)
   (b)   Whoever violates this section is guilty of a misdemeanor of the fourth degree.