§ 70.29  TRACTION ENGINES; TRACTORS ON STREETS.
   It shall be unlawful for any person in the city to operate on or over any of the streets of the city a traction engine, threshing engine, or other engine or machine which will damage or impair the city streets, for the purpose of hauling freight or any purpose of transportation.
('79 Code, § 14-40)  Penalty, see § 70.99