{"data":{"id":"us/36-cfr-4.2","jurisdiction":"us","citation":"36 CFR 4.2","heading":"State law applicable.","body":"(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.\n(b) Violating a provision of State law is prohibited.","path":["Title 36—Parks, Forests, and Public Property","CHAPTER I—NATIONAL PARK SERVICE, DEPARTMENT OF THE INTERIOR","PART 4—VEHICLES AND TRAFFIC SAFETY"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-36.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:25:44Z","sha256":"29e7dd91a6863b9093b196d8cd1b30dbee79b142c636f336d954ba0fd79b312a","source_id":"us-cfr","stale":true,"prev":"us/36-cfr-4.1","next":"us/36-cfr-4.3"},"notice":"GroundRules: Original legal text. Not legal advice."}