6-1-9: TRUCKS, HEAVY TRAFFIC LIMITATION:
Heavy traffic, as defined in section 349.17(2), Wisconsin statutes, shall be prohibited on the following streets or parts thereof within the city limits, except that such prohibition shall not apply to heavy traffic using the streets for the purpose of obtaining orders for supplies or moving or delivering supplies or commodities to or from any place of business or residence which has an entrance on such street or highway:
5TH STREET EAST from 21st Avenue southerly to the city limits. (1975 Code Ch. 7 § XXV)