---
kind: "unit"
title: "49"
title_heading: "Transportation"
key: "stVI/ptB"
level: "part"
label: "Part B"
heading: "Commercial"
release: "119-102"
date: "2026-07-12"
url: "https://uscodex.org/usc/49/stVI-ptB"
sections_count: 67
---

# Part B — Commercial

Title 49 — Transportation › Subtitle VI — Motor Vehicle and Driver Programs

## Contents

- [Chapter 311 — Commercial Motor Vehicle Safety](/usc/49/stVI-ptB-ch311.md)
- [Chapter 313 — Commercial Motor Vehicle Operators](/usc/49/stVI-ptB-ch313.md)
- [Chapter 315 — Motor Carrier Safety](/usc/49/stVI-ptB-ch315.md)
- [Chapter 317 — Participation in International Registration Plan and International Fuel Tax Agreement](/usc/49/stVI-ptB-ch317.md)