U.S. DOT Proposes Rule to Add Fentanyl to CDL Drug Testing Program - School Transportation News
DOT proposes adding fentanyl to the CDL drug testing panel, which would expand the list of substances tested in mandatory drug screens for commercial drivers.
Aforeworn detected this change in the Trucking / FMCSA Compliance space on August 28, 2026 and published this briefing so affected operators are forewarned rather than caught off guard. It is rated Medium urgency. All CDL holders subject to DOT drug testing, including owner-operators, small fleets, and large carriers. should confirm how it applies to their specific situation before acting. There is a time constraint attached: Not specified; rule is in proposal stage.. Acting after that point can mean penalties, a lapsed licence, or lost eligibility — exactly the kind of surprise Aforeworn exists to prevent. Aforeworn monitors Trucking / FMCSA Compliance continuously and turns every detected change into a plain-English briefing like this one, so you always know first. Forewarned is forearmed.
What changed
Proposed rule to add fentanyl to the list of drugs tested in the DOT drug testing program for CDL drivers.
Who it affects
All CDL holders subject to DOT drug testing, including owner-operators, small fleets, and large carriers.
What you must do
Monitor the rulemaking process and prepare for potential changes to drug testing panels; review current testing policies and contracts with collection sites.
Deadline
Not specified; rule is in proposal stage.
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