---
kind: "unit"
title: "36"
title_heading: "Parks, Forests, and Public Property"
key: "chI/part4"
level: "part"
label: "Part 4"
heading: "Vehicles and Traffic Safety"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/36/chI-part4"
sections_count: 17
---

# Part 4 — Vehicles and Traffic Safety

Title 36 C.F.R. — Parks, Forests, and Public Property › Chapter I — National Park Service, Department of the Interior

## Sections

- [§4.1. Applicability and scope.](/cfr/36/4.1.md)
- [§4.2. State law applicable.](/cfr/36/4.2.md)
- [§4.3. Authorized emergency vehicles.](/cfr/36/4.3.md)
- [§4.4. Report of motor vehicle accident.](/cfr/36/4.4.md)
- [§4.10. Travel on park roads and designated routes.](/cfr/36/4.10.md)
- [§4.11. Load, weight and size limits.](/cfr/36/4.11.md)
- [§4.12. Traffic control devices.](/cfr/36/4.12.md)
- [§4.13. Obstructing traffic.](/cfr/36/4.13.md)
- [§4.14. Open container of alcoholic beverage.](/cfr/36/4.14.md)
- [§4.15. Safety belts.](/cfr/36/4.15.md)
- [§4.20. Right of way.](/cfr/36/4.20.md)
- [§4.21. Speed limits.](/cfr/36/4.21.md)
- [§4.22. Unsafe operation.](/cfr/36/4.22.md)
- [§4.23. Operating under the influence of alcohol or drugs.](/cfr/36/4.23.md)
- [§4.30. Bicycles.](/cfr/36/4.30.md)
- [§4.31. Hitchhiking.](/cfr/36/4.31.md)
- [§4.32. xxx](/cfr/36/4.32.md)