Section 4979.3 - Permit for movement of float glass or flat glass for use in construction and other end uses(a) General rule.--An annual permit may be issued authorizing the movement on specified highways of float glass or flat glass for use in construction and other end uses which exceeds the maximum vehicle gross weight specified in Subchapter C (relating to maximum weights of vehicles).(b) Specifications.--(1) The weight of any vehicle permitted under this section may not exceed 100,000 pounds overall gross weight, shall be a five axle combination - three axle truck tractor and shall have the following maximum axle weight limits for all axles: | Steering axles | 12,000 pounds |
| Truck tractor tandem axles | 44,000 pounds with a maximum of 22,500 pounds on either axle in the group |
| Semitrailer tandem axles | 44,000 pounds with a maximum of 22,500 pounds on either axle in the group |
(2) The spacing between axle 1 and axle 2 must be a minimum of 15 feet.(3) The center-to-center distance between the last drive axle of the truck tractor and the first axle of the semitrailer must be a minimum of 31 feet 6 inches.(4) The spacing between tandem axles must be a minimum of 4 feet 4 inches for the truck tractor and 5 feet 2 inches for the semitrailer.(c) Operation limitations.--(1) Except as provided in paragraph (2), a vehicle operating under a permit authorized under this section may be driven 24 hours a day, seven days a week.(2) Movement under this paragraph is not authorized during any of the following:(i) A holiday period specified in department regulations or in the permit.(ii) Inclement weather, as defined in department regulations.(d) Interstate highways.--No permit may be issued for this type of movement upon an interstate highway.1999, June 25, P.L. 164, No. 23, § 10, effective in 60 days. Amended 2001, June 22, P.L. 559, No. 37, § 6, effective in 60 days.