---
kind: "unit"
title: "49"
title_heading: "Transportation"
key: "stIV/ptB"
level: "part"
label: "Part B"
heading: "Motor Carriers, Water Carriers, Brokers, and Freight Forwarders"
release: "119-102"
date: "2026-07-12"
url: "https://uscodex.org/usc/49/stIV-ptB"
sections_count: 84
---

# Part B — Motor Carriers, Water Carriers, Brokers, and Freight Forwarders

Title 49 — Transportation › Subtitle IV — Interstate Transportation

## Contents

- [Chapter 131 — General Provisions](/usc/49/stIV-ptB-ch131.md)
- [Chapter 133 — Administrative Provisions](/usc/49/stIV-ptB-ch133.md)
- [Chapter 135 — Jurisdiction](/usc/49/stIV-ptB-ch135.md)
- [Chapter 137 — Rates and Through Routes](/usc/49/stIV-ptB-ch137.md)
- [Chapter 139 — Registration](/usc/49/stIV-ptB-ch139.md)
- [Chapter 141 — Operations of Carriers](/usc/49/stIV-ptB-ch141.md)
- [Chapter 143 — Finance](/usc/49/stIV-ptB-ch143.md)
- [Chapter 145 — Federal-State Relations](/usc/49/stIV-ptB-ch145.md)
- [Chapter 147 — Enforcement; Investigations; Rights; Remedies](/usc/49/stIV-ptB-ch147.md)
- [Chapter 149 — Civil and Criminal Penalties](/usc/49/stIV-ptB-ch149.md)