Except as otherwise provided herein, no person shall operate or cause to be operated upon any public street within the city any commercial motor vehicle, motorbus, truck-tractor, trailer, semi-trailer or any combination thereof except on such streets as are designated as either truck routes or commercial delivery routes by this article; such vehicles shall be operated on a truck route wherever capable of being used; they shall be operated on a commercial delivery route only when it is not possible to use a truck route to fulfill the purpose for which such vehicle is then being operated.
(1964 Code, § 26-74) (Ord. 8077, § 2, passed 4-1-1980)