← All Articles
Topic Guide

Drug & Alcohol Testing

Guidance on USDOT drug and alcohol testing programs including pre-employment, random, post-accident, and reasonable suspicion testing, plus the FMCSA Clearinghouse, return-to-duty process, and oral fluid testing developments under 49 CFR Part 40 and Part 382.

Trucksafe Academy: Get hands-on training with our self-paced compliance courses

Learn More

Never Miss an Update

Get in-depth DOT compliance articles and breaking regulatory news delivered right to your inbox

Join thousands of safety professionals staying informed on DOT compliance