---
kind: "unit"
title: "49"
title_heading: "Transportation"
key: "stVI/ptB/ch311/schIII"
level: "subchapter"
label: "Subchapter III"
heading: "Safety Regulation"
release: "119-102"
url: "https://uscodex.org/usc/49/stVI-ptB-ch311-schIII"
sections_count: 21
---

# Subchapter III — Safety Regulation

Title 49 — Transportation › Subtitle VI — Motor Vehicle and Driver Programs › Part B — Commercial › Chapter 311 — Commercial Motor Vehicle Safety

## Sections

- [§31131. Purposes and findings](/usc/49/31131.md)
- [§31132. Definitions](/usc/49/31132.md)
- [§31133. General powers of the Secretary of Transportation](/usc/49/31133.md)
- [§31134. Requirement for registration and USDOT number](/usc/49/31134.md)
- [§31135. Duties of employers and employees](/usc/49/31135.md)
- [§31136. United States Government regulations](/usc/49/31136.md)
- [§31137. Electronic logging devices and brake maintenance regulations](/usc/49/31137.md)
- [§31138. Minimum financial responsibility for transporting passengers](/usc/49/31138.md)
- [§31139. Minimum financial responsibility for transporting property](/usc/49/31139.md)
- [§31140. Repealed.](/usc/49/31140.md)
- [§31141. Review and preemption of State laws and regulations](/usc/49/31141.md)
- [§31142. Inspection of vehicles](/usc/49/31142.md)
- [§31143. Investigating complaints and protecting complainants](/usc/49/31143.md)
- [§31144. Safety fitness of owners and operators](/usc/49/31144.md)
- [§31145. Coordination of Governmental activities and paperwork](/usc/49/31145.md)
- [§31146. Relationship to other laws](/usc/49/31146.md)
- [§31147. Limitations on authority](/usc/49/31147.md)
- [§31148. Certified motor carrier safety auditors](/usc/49/31148.md)
- [§31149. Medical program](/usc/49/31149.md)
- [§31150. Safety performance history screening](/usc/49/31150.md)
- [§31151. Roadability](/usc/49/31151.md)