---
kind: "unit"
title: "23"
title_heading: "Highways"
key: "chII/subchB"
level: "subchap"
label: "Subchapter B"
heading: "Guidelines"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/23/chII-subchB"
sections_count: 53
---

# Subchapter B — Guidelines

Title 23 C.F.R. — Highways › Chapter II — National Highway Traffic Safety Administration and Federal Highway Administration, Department of Transportation

## Contents

- [Part 1204-1206 — Parts 1204-1206 [reserved]](/cfr/23/chII-subchB-part1204-1206.md)
- [Part 1208 — National Minimum Drinking Age](/cfr/23/chII-subchB-part1208.md)
- [Part 1210 — Operation of Motor Vehicles by Intoxicated Minors](/cfr/23/chII-subchB-part1210.md)
- [Part 1215 — Use of Safety Belts—compliance and Transfer-Of-Funds Procedures](/cfr/23/chII-subchB-part1215.md)
- [Part 1225 — Operation of Motor Vehicles by Intoxicated Persons](/cfr/23/chII-subchB-part1225.md)
- [Part 1235 — Uniform System for Parking for Persons with Disabilities](/cfr/23/chII-subchB-part1235.md)
- [Part 1240 — Safety Incentive Grants for Use of Seat Belts—allocations Based on Seat Belt Use Rates](/cfr/23/chII-subchB-part1240.md)