36 CFR § 4.11 - Load, weight and size limits.

---
identifier: "/us/cfr/t36/s4.11"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "36 CFR § 4.11 - Load, weight and size limits."
title_number: 36
title_name: "Parks, Forests, and Public Property"
section_number: "4.11"
section_name: "Load, weight and size limits."
chapter_name: "NATIONAL PARK SERVICE, DEPARTMENT OF THE INTERIOR"
part_number: "4"
part_name: "VEHICLES AND TRAFFIC SAFETY"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "54 U.S.C. 100101, 100751, 320102."
regulatory_source: "52 FR 10683, Apr. 2, 1987, unless otherwise noted."
cfr_part: "4"
---


# 4.11 Load, weight and size limits.

(a) Vehicle load, weight and size limits established by State law apply to a vehicle operated on a park road. However, the superintendent may designate more restrictive limits when appropriate for traffic safety or protection of the road surface. The superintendent may require a permit and establish conditions for the operation of a vehicle exceeding designated limits.

(b) The following are prohibited:

(1) Operating a vehicle that exceeds a load, weight or size limit designated by the superintendent.

(2) Failing to obtain a permit when required.

(3) Violating a term or condition of a permit.

(4) Operating a motor vehicle with an auxiliary detachable side mirror that extends more than 10 inches beyond the side fender line except when the motor vehicle is towing a second vehicle.

(c) Violating a term or condition of a permit may also result in the suspension or revocation of the permit by the superintendent.