Links to Regulations and Guidance

These links will open new windows to websites outside CMR

Logo of US Department of Transportation

US DOT

US DOT Regulations, guidance, and information

DOT drug testing regulations 49 CFR Part 40

Overview of substance abuse testing  for commercial drivers and other regulated safety-sensitive employees

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FMCSA

Federal Motor Carrier Safety Administration (FMCSA) regulations, guidance, information

FMCSA drug testing regulations 49 CFR Part 382
Federal Motor Carrier Safety Administration (FMCSA) Employer Resources
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FTA

Federal Transit Administration, US Department of Transportation

FTA drug testing regulations 49 CFR Part 655
Logo of US Department of Labor

OSHA

Occupational Health and Safety Administration regulations, guidance, and information

OSHA Respirator Protection Plan

Questionnaires in English and Spanish