InstitutePost-accident drug and alcohol testing - Motor CarrierDrug and alcohol policy - Motor CarrierEnglishFleet SafetyDrug and Alcohol Testing - DOTDrug testing - Motor CarrierFocus AreaUSAAlcohol testing - Motor CarrierAnalysisTransportationIn Depth (Level 3)
Post-accident tests
['Drug and Alcohol Testing - DOT']

- Employers must test commercial drivers for drugs and alcohol post-accident to comply with FMCSA regulations if specific criteria are met.
Federal Motor Carrier Safety Administration (FMCSA) post-accident drug and alcohol tests apply to commercial drivers who operate a commercial motor vehicle (CMV) requiring a commercial driver’s license (CDL).
FMCSA post-accident testing includes requirements for:
- Tests that must be conducted,
- The time frame under which tests must be conducted, and
- The circumstances in which a law enforcement officer’s test result may be used in lieu of an employer’s program test results.