Commercial vehicles having a gross vehicular weight in excess of 10,000 pounds, and more than two axles or four wheels, shall operate at all times only upon the following streets or parts of streets, except that such vehicles may operate on any other street or parts of streets for the purpose of delivering or picking up materials or merchandise, or for the purpose of installing, servicing and maintaining utility facilities, and then only by entering such streets at the intersection as can be reached by traveling exclusively on truck routes, regardless of whether or not such truck routes cause the vehicle to depart from the most direct route from its point of origin to its point of destination; and upon completion of deliveries or services, such vehicle shall return to the nearest truck route by the most direct route.
('72 Code, § 34-75) (Ord. O-79-13, passed 3-7-79) Penalty, see § 70.99