DOT Drug & Alcohol Testing Program
CDL drivers are subject to pre-employment, random, post-accident, reasonable-suspicion, return-to-duty, and follow-up drug & alcohol testing under 49 CFR Part 382.
What it is
CDL drivers are subject to pre-employment, random, post-accident, reasonable-suspicion, return-to-duty, and follow-up drug & alcohol testing under 49 CFR Part 382.
Who needs to check it
Applicability depends on what you operate, where you operate, and whether you carry passengers, property, or regulated commodities. Interstate carriers and many intrastate operators must follow overlapping federal and state requirements; brokers and freight forwarders have different registration duties.
How to verify the requirement
Start with the official FMCSA registration and regulation pages linked below, then confirm state-specific requirements with the agency that regulates commercial vehicles in your base state. Use the legal business name and current USDOT record when checking a filing.
What to keep on file
Keep the confirmation, effective date, renewal or update deadline, and supporting records for DOT Drug & Alcohol Testing Program. Assign one owner and calendar the next review instead of relying on an email reminder alone.
Before you dispatch
Confirm that required authority, insurance filings, driver records, and vehicle records are active for the operation you are about to run. A filing being submitted does not necessarily mean it is effective.
Put the guidance into your fleet workflow
Create a fleet workspace for drivers, vehicles, records, and dispatch.
Frequently asked
Is this required for intrastate-only operations?
It depends on the vehicle, cargo, and state. Many states adopt all or part of the federal motor-carrier rules for intrastate operations, so check the current state requirements as well as FMCSA guidance.
What happens if I let it lapse?
Operating without active authority is an out-of-service offense at roadside and exposes the carrier and its officers to civil penalties.