It is unlawful for any person to drive a tractor, agricultural implement, truck (other than a pickup truck), automobile trailer or automobile to which a trailer is attached, in through traffic, upon any street, except those which have been designated and sign-posted as truck routes. For the purpose of this traffic code, THROUGH TRAFFIC means originating without the city and with a destination without the city, as distinguished from LOCAL TRAFFIC, which means traffic either originating or having a destination within the city.
(2002 Code, § 5.30) Penalty, see § 70.99