Official US Government Icon

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure Site Icon

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

The latest general information on the Coronavirus Disease 2019 (COVID-19) is available on Coronavirus.gov. For USDOT specific COVID-19 resources, please visit our page.

Urine Specimen Collection Guidelines

Drug Testing

These guidelines, together with the 49 CFR Part 40, and the DOT Operating Administration rules, with provide collectors with the information needed in the performance of their collection duties.

Regulatory Topic: Drug and Alcohol Testing
Published Date: Tuesday, January 2, 2018