§ 5908. Relationship to other laws Nothing in this chapter affects—(1) chapter 51 (relating to transportation of hazardous material) or the regulations promulgated under that chapter; or (2) any State highway weight or size law or regulation applicable to tractor-trailer combinations. (Added Pub. L. 104–291, title II, § 209(a), Oct. 11, 1996, 110 Stat. 3458.)