[Code of Federal Regulations] [Title 36, Volume 1] [Revised as of July 1, 2006] From the U.S. Government Printing Office via GPO Access [CITE: 36CFR4.1] [Page 35] TITLE 36--PARKS, FORESTS, AND PUBLIC PROPERTY CHAPTER I--NATIONAL PARK SERVICE, DEPARTMENT OF THE INTERIOR PART 4_VEHICLES AND TRAFFIC SAFETY--Table of Contents Sec. 4.1 Applicability and scope. Sec. 4.1 Applicability and scope. 4.2 State law applicable. 4.3 Authorized emergency vehicles. 4.4 Report of motor vehicle accident. 4.10 Travel on park roads and designated routes. 4.11 Load, weight and size limits. 4.12 Traffic control devices. 4.13 Obstructing traffic. 4.14 Open container of alcoholic beverage. 4.15 Safety belts. 4.20 Right of way. 4.21 Speed limits. 4.22 Unsafe operation. 4.23 Operating under the influence of alcohol or drugs. 4.30 Bicycles. 4.31 Hitchhiking. Authority: 16 U.S.C. 1, 3, 9a, 462(k). Source: 52 FR 10683, Apr. 2, 1987, unless otherwise noted. The applicability of the regulations in this part is described in Sec. 1.2 of this chapter. The regulations in this part also apply, regardless of land ownership, on all roadways and parking areas within a park area that are open to public traffic and that are under the legislative jurisdiction of the United States.