§ 70.26  VEHICLES WITH LUGS OR CLEATS FORBIDDEN.
   It shall be unlawful for any person to drive or run over the asphalt or concrete streets of the city, any traction engine, threshing engine or other vehicle, either horse drawn or motor driven, with cleats or lugs on the tires of the wheels, except that where it is necessary for any of the above described engines or vehicles to cross an intersection of any of the above-mentioned streets, the drivers of said engines or vehicles must place planks of sufficient width in front of the wheels in such a manner as to protect the street from being damaged or scarred by the wheels.
('79 Code, § 23-25)  Penalty, see § 70.99