---
kind: "unit"
title: "49"
title_heading: "Transportation"
key: "subtB/chI/subchD/part199"
level: "part"
label: "Part 199"
heading: "Drug and Alcohol Testing"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/49/subtB-chI-subchD-part199"
sections_count: 40
---

# Part 199 — Drug and Alcohol Testing

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 D — Pipeline Safety

## Contents

- [Subpart A — General](/cfr/49/subtB-chI-subchD-part199-subpartA.md)
- [Subpart B — Drug Testing](/cfr/49/subtB-chI-subchD-part199-subpartB.md)
- [Subpart C — Alcohol Misuse Prevention Program](/cfr/49/subtB-chI-subchD-part199-subpartC.md)