67 Pa. Code § 601.102
A tandem trailer combination which is considered an over-dimensional/overweight vehicle shall require a special hauling permit to travel on the Turnpike System. In tandem combinations, the heaviest trailer shall be towed next to the truck tractor.
The provisions of this § 601.102 amended under sections 4 and 12 of the act of May 21, 1937 (P.L. 774, No. 211) (36 P.S. § § 652d and 652l), 74 Pa.C.S. § § 8102, 8107, 8116 and 8117; and 75 Pa.C.S. § § 6110 and 6110.1.
The provisions of this § 601.102 adopted October 29, 1992, effective October 30, 1992, 22 Pa.B. 5321; amended December 1, 2023, effective December 2, 2023, 53 Pa.B. 7489. Immediately preceding text appears at serial page (400466).