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 For USDOT specific COVID-19 resources, please visit our page.

Employees Covered Under DOT Testing Regulation 49 CFR Part 40

About this Document

This document provides information on employees covered by DOT Agency and USCG regulations.

Regulatory Topic: Drug and Alcohol Testing
Published Date: Thursday, May 1, 2014