CFR > Title 23 - Highways > CHAPTER I—FEDERAL HIGHWAY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION > SUBCHAPTER H—RIGHT-OF-WAY AND ENVIRONMENT (parts 710 to 777) > PART 774—PARKS, RECREATION AREAS, WILDLIFE AND WATERFOWL REFUGES, AND HISTORIC SITES (SECTION 4(F)) > 774.1—Purpose.