---
kind: "unit"
title: "49"
title_heading: "Transportation"
key: "subtB/chI/subchA/part109"
level: "part"
label: "Part 109"
heading: "Department of Transportation Hazardous Material Procedural Regulations"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/49/subtB-chI-subchA-part109"
sections_count: 15
---

# Part 109 — Department of Transportation Hazardous Material Procedural Regulations

Title 49 C.F.R. — Transportation › Subtitle B — Other Regulations Relating to Transportation › Chapter I — Pipeline and Hazardous Materials Safety Administration, Department of Transportation › Subchapter A — Hazardous Materials and Oil Transportation

## Contents

- [Subpart A — Definitions](/cfr/49/subtB-chI-subchA-part109-subpartA.md)
- [Subpart B — Inspections and Investigations](/cfr/49/subtB-chI-subchA-part109-subpartB.md)
- [Subpart C — Emergency Orders](/cfr/49/subtB-chI-subchA-part109-subpartC.md)
- [Subpart D — Equipment](/cfr/49/subtB-chI-subchA-part109-subpartD.md)
- [Subpart E — Prohibition on Hazardous Materials Operations After Nonpayment of Penalties](/cfr/49/subtB-chI-subchA-part109-subpartE.md)