Ace the NRCME DOT Exam 2026 – Drive Your Success Forward!

When a driver uses marijuana legally for a medical condition such as glaucoma, the primary concern from a medical examiner's perspective is the substance's impact on the driver's ability to safely operate a commercial motor vehicle. Marijuana is classified as a Schedule I controlled substance under federal law, which means that, regardless of its legal status in some states for medical use, it cannot be used while holding a commercial driver's license.

Disqualifying the driver is consistent with the regulations surrounding drug use and the requirement for drivers to remain free from substances that can impair their ability to drive safely. The Federal Motor Carrier Safety Administration (FMCSA) has a strict policy regarding drug use because any impairment could lead to significant safety risks on the road.

In contrast, options like performing a urine drug collection or certifying the driver for a specific period would not address the fundamental issue of the driver's marijuana use. While drug tests might identify current use, they do not change the regulatory stance that prohibits the use of marijuana by commercial drivers, irrespective of state laws. Therefore, the most aligned action is disqualifying the driver to ensure safety and compliance with federal regulations.