DOT Issues Random Testing Rates for 2024

2024 DOT Random Testing Rates

Published by DOT: Friday, December 29, 2023.

The following chart outlines the annual minimum drug and alcohol random testing rates

established within DOT Agencies for 2024.

DOT Agency 2024 Random Drug Testing Rate 2024 Random Alcohol Testing Rate
Federal Motor Carrier Safety Administration
The random rates did not change for 2024.  Because the random rates did not change, FMCSA is not required to publish a notice in the Federal Register.  The rate last changed in 2020.
50% 10%
Federal Aviation Administration
2024 Random Rate Federal Register Notice

2024 Federal Register Notice – Correction

25% 10%
Federal Railroad Administration
2024 Random Rate Federal Register Notice
25% – Covered Service 10% – Covered Service
25% – Maintenance of Way 10% – Maintenance of Way
50% – Mechanical 25% – Mechanical
Federal Transit Administration
2024 Random Rate Federal Register Notice
50% 10%
Pipeline & Hazardous Materials Safety Administration
2024 Random Rate Federal Register Notice
25% N/A
NOTE: Employers (and C/TPAs) subject to more than one DOT Agency drug and alcohol testing rule may continue to combine covered employees into a single random selection pool. (The higher pool rate is required)

USCG-covered employees may be combined with DOT-covered employees in drug testing pools even though the USCG is now part of the Department of Homeland Security

The information above was published by and is being shared by TADTS as a means to continue educating and informing our clients.

TADTS has already updated our random rates in our software to ensure our client and consortium pools will be in compliance.

We look forward to continuing to serve you in 2024.