Commercial vehicles exceeding 5,000 pounds gross weight shall be restricted at all times to those streets or parts of streets as posted by signs; except that, such vehicles may be operated thereon for the purpose of delivering or picking up materials or merchandise and then only by entering such street at the intersection nearest the destination of the vehicle and proceeding thereon no farther than the nearest intersection thereafter. Commercial and other vehicles exceeding one-ton load rated capacity shall be restricted from use of any and all residential zoned streets, highways, alleys and such public thoroughfares (except where such street is a state or federal highway passing through a residential zone); except that, such vehicles may be operated thereupon for the purpose of delivering or picking up cargo or merchandise and then only by entering such street and using such streets that are approved for the most practical and direct route in the opinion of the local police.
(2005 Code, § 65.02)