Review individual modes workplace drug and alcohol rules. The following rules may not be complete, for DOT does not always incorporate changes fully into the original CFR. The following links (from the Federal Register) offer the latest rule changes, but do not incorporate these changes into the text of the regulation.

Federal Aviation Administration 14 CFR Part 121 in HTML or PDF
***Technical Amendment to 14 CFR Part 121 in HTML or PDF

U.S. Coast Guard 46 CFR Parts 4, 5, and 16 in HTML or PDF

Research and Special Programs Administration 49 CFR Part 199 in HTML or PDF

Federal Railroad Administration 49 CFR Part 219 in HTML or PDF

Federal Motor Carrier Safety Administration 49 CFR Part 382 in HTML or PDF

Federal Transit Administration 49 CFR Parts 653, 654, and 655 in HTML or PDF

DOT Regulations for Workplace Drug and Alcohol Testing

The following rules may not be complete, for DOT does not always incorporate changes fully into the original CFR. The following links (from the Federal Register) offer the latest rule changes, but do not incorporate these changes into the text of the regulation.

Department of Transportation 49 CFR Part 40 in HTML or PDF.

Access the Department of Transportation's Technical Amendments for 49 CFR Part 40 in HTML or PDF and a Separate Response to Comments in HTML or PDF on the Pre-Employemnt Inquiry Requirement, Common Preamble for DOT Agency Conforming Rules.

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