---
kind: "section"
citation: "36 C.F.R. § 261.12"
title: "36"
number: "261.12"
heading: "National Forest System roads and trails."
url: "https://uscodex.org/cfr/36/261.12"
---

# §261.12. National Forest System roads and trails.


The following are prohibited:

- (a) Violating the load, weight, height, length, or width limitations prescribed by State law except by special-use authorization or written agreement or by order issued under [§ 261.54](/cfr/36/261.54.md) of this Chapter.
- (b) **Failing to have a vehicle weighed at a Forest Service weighing station, if required by a sign.**
- (c) **Damaging and leaving in a damaged condition any such road, trail, or segment thereof.**
- (d) **Blocking, restricting, or otherwise interfering with the use of a road, trail, or gate.**
- (e) **Operating a motor vehicle without a valid license as required by State law.**
- (f) Operating a motor vehicle while under the influence of an alcoholic beverage or a controlled substance in violation of State law.
- (g) Operating a motor vehicle in violation of any State law other than those described in paragraph [(e)](#e) or [(f)](#f) of this section.
- (h) Operating a vehicle or motor vehicle carelessly, recklessly, or in a manner or at a speed that would endanger or be likely to endanger any person or property.
- (i) **Operating a motor vehicle in violation of a posted sign or traffic control device.**

## Notes

### Amendments

[42 FR 2957, Jan. 14, 1977, as amended at 46 FR 33520, June 30, 1981; 49 FR 25450, June 21, 1984; 55 FR 25832, June 25, 1990; 89 FR 92816, Nov. 25, 2024]

### Authority

Authority: 7 U.S.C. 1011(f); 16 U.S.C. 460l-6d, 472, 551, 620(f), 1133(c)-(d)(1), 1246(i).

### Source

Source: 42 FR 2957, Jan. 14, 1977, unless otherwise noted.

### Amendments

[42 FR 2957, Jan. 14, 1977, as amended at 46 FR 33520, June 30, 1981; 49 FR 25450, June 21, 1984; 55 FR 25832, June 25, 1990; 89 FR 92816, Nov. 25, 2024]