FMCSA Drug Testing: How to Keep Your Fleet Compliant

March 12, 2025

FMCSA Drug Testing: How to Keep Your Fleet Compliant

Get Started with Samsara

Check our prices

Key Takeaways

The FMCSA requires mandatory drug and alcohol testing for every commercial motor vehicle driver. 50% of your fleet’s drivers must be randomly tested for controlled substances and 10% must be randomly tested for alcohol every calendar year. Violating the FMCSA’s alcohol and drug testing regulations can result in fines of $3,174 per driver, an investigation, and possibly having your operations shut down indefinitely. In this guide, learn about FMCSA drug testing requirements and how to keep your fleet compliant.