[Code of Federal Regulations] [Title 36, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 36CFR4.20] [Page 37] 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. 4.20 Right of way. An operator of a motor vehicle shall yield the right of way to pedestrians, saddle and pack animals and vehicles drawn by animals. Failure to yield the right of way is prohibited.