36 CFR 4.2 Title 36: Parks, Forests, and Public Property
PART 4—VEHICLES AND TRAFFIC SAFETY
§ 4.2 State law applicable.
(a) Unless specifically addressed by regulations in this chapter, traffic and the use of vehicles within a park area are governed by State law. State law that is now or may later be in effect is adopted and made a part of the regulations in this part.
(b) Violating a provision of State law is prohibited.