A. When any such truck route or routes are established and designated by appropriate signs, the operator of any vehicle or combination of vehicles, tractor or truck tractor, exceeding a maximum gross weight of three tons shall drive on such route or routes and none other except that nothing in this section prohibits the operator of any vehicle exceeding a maximum gross weight of three tons leaving a truck route by the shortest direct route to and from restricted streets when necessary to make pickups or deliveries of goods, wares and merchandise from or to any buildings located on such restricted streets or for the purpose of delivering materials to be used in the actual bona fide repair, alteration, remodeling or construction of any building or structure for which a building permit has previously been obtained.
B. When any such truck route or routes are established and designated by appropriate signs, no vehicle or combination of vehicles exceeding a maximum gross weight of three tons shall park on any street in the city not designated as a truck route. (Ord. 518 § 2(part), 1988).