Pursuant to N.J.S.A. 40:67-16.1, the streets or parts of streets as described in Schedule XIV (§ 241-63) attached to and made a part of this Part 2 are hereby designated as routes for trucks over 10 tons. All trucks having a total combined registered gross weight of vehicle plus load in excess of 10 tons shall be excluded from all streets, except from those streets which form a part of the system of truck routes. Trucks will be permitted on all streets for the purpose of the pickup and delivery of materials.