36 CFR § 4.13 - Obstructing traffic.

---
identifier: "/us/cfr/t36/s4.13"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "36 CFR § 4.13 - Obstructing traffic."
title_number: 36
title_name: "Parks, Forests, and Public Property"
section_number: "4.13"
section_name: "Obstructing traffic."
chapter_name: "NATIONAL PARK SERVICE, DEPARTMENT OF THE INTERIOR"
part_number: "4"
part_name: "VEHICLES AND TRAFFIC SAFETY"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
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"
---


# 4.13 Obstructing traffic.

The following are prohibited:

(a) Stopping or parking a vehicle upon a park road, except as authorized by the superintendent, or in the event of an accident or other condition beyond the control of the operator.

(b) Operating a vehicle so slowly as to interfere with the normal flow of traffic.