Truck route regulations are established as follows:
1. Truck Routes Designated. The City Council shall establish by resolution, and cause to be placed and maintained, appropriate signs on any streets designated as truck routes. Every motor vehicle weighing five (5) tons or more, when loaded or empty, having no fixed terminal within the City or making no scheduled or definite stops within the City for the purpose of loading or unloading shall travel over or upon streets so designated within the City and none other.
(Code of Iowa, Sec. 321.473)
2. Deliveries off Truck Route. Any motor vehicle weighing five (5) tons or more, when loaded or empty, having a fixed terminal, making a scheduled or definite stop within the City for the purpose of loading or unloading shall proceed over or upon the designated routes set out in this section to the nearest point of its scheduled or definite stop and shall proceed thereto, load or unload and return, by the most direct route to its point of departure from said designated route.
(Code of Iowa, Sec. 321.473)
3. Employer’s Responsibility. The owner, or any other person, employing or otherwise directing the driver of any vehicle shall not require or knowingly permit the operation of such vehicle upon a street in any manner contrary to this section.
(Code of Iowa, Sec. 321.473)