---
kind: "section"
citation: "16 U.S.C. § 404c–12"
title: "16"
title_heading: "Conservation"
number: "404c–12"
heading: "Entrance roads"
release: "119-102"
date: "2026-07-12"
url: "https://uscodex.org/usc/16/404c-12"
units:
  - "Chapter 1 — National Parks, Military Parks, Monuments, and Seashores"
  - "Subchapter XLVII — Mammoth Cave National Park"
---

# §404c–12. Entrance roads


For the purpose of developing a proper and suitable entrance road to the Mammoth Cave National [Park](/usc/16/410r–5.md?p=c-3), the [Secretary](/usc/16/410r–5.md?p=c-1) of the Interior is authorized in his discretion to accept on behalf of the United States donations of lands, buildings, structures, and other property or interests therein, or to [acquire](/usc/16/620e.md?p=1) such property with donated funds by purchase, condemnation, or otherwise, within an [area](/usc/16/539m–1.md?p=1-A) or [areas](/usc/16/539m–1.md?p=1-A) to be determined by him, but (a) not to exceed one mile in width, extending from the exterior boundary of the Mammoth Cave National [Park](/usc/16/410r–5.md?p=c-3) to a point to be selected by him on United States Highway Numbered 31–W, and (b) not to exceed one-half mile in width on either side of United States Highway Numbered 31–W and running for a distance of not to exceed two miles along said highway. Lands acquired for purposes of protecting such entrance roads shall not be less than five hundred feet in width on either side of said roads: Provided, That only one such entrance road shall be established between United States Highway Numbered 31–W and Mammoth Cave National [Park](/usc/16/410r–5.md?p=c-3) pursuant to this Act.


## Source credit

(June 5, 1942, ch. 341, § 12, 56 Stat. 320.)

## Notes

### Editorial Notes

### References in Text

This Act, referred to in text, is act June 5, 1942, which is classified to sections 404c–1 to 404c–12 of this title. For complete classification of this Act to the Code, see Tables.