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Midwest Occupational Health Management Services, Inc.

Who must comply?


A Commercial Motor Vehicle (CMV) is any self-propelled or towed motor vehicle used on a highway in interstate commerce to transport passengers or property when the vehicle: (1) has a gross vehicle weighing rating (GVWR) or gross combination weight rating (GCWR) - or a gross vehicle weight (GVW) or gross combination weight (GCW) - of 4,536 kilograms (10,001 pounds) or more, whoever is greater, or (2) is designed or used to transport more than 8 passengers, including the driver, for compensation; or (3) is designed or used to transport more than 15 passengers, including the driver, whether or not it is used to transport passengers for compensation; or (4) is used in transporting material found by the Secretary of Transportation to be hazardous under 49 U.S.C 5103 and transported in a quantity requiring placarding under regulations prescribed by the Secretary under 49 CFR, Subtitle B, Chapter I, Subchapter C, Department of Transportation Guidelines.  


Requirements based on Vehicle Weight:


Gross Vehicle weight of 10,000 lbs. or less: 

  • No CDL license is required (unless carrying hazardous materials)
  • No physical or drug screen requirement (unless carrying hazardous materials)

Gross Vehicle weight of 10,001 lbs and 26,000 lbs:

  • No CDL license is required (unless carrying hazardous materials)
  • DOT physical required
  • No drug testing requirements

Gross Vehicle weight of 26,001 lbs or greater:

  • CDL license is required
  • DOT physical required
  • Substance abuse testing is required


Substance Abuse Testing Requirements:


Pre-employment - Urine Drug Testing Only

* Prior to performing safety sensitive functions


Post Accident - Urine Drug and Breath Alcohol Testing

* When a fatality occurs of any person involved in the accident

* When driver is cited for a moving violation

    If citation is given:

    When any involved vehicle requires towing from the scene

    When any person involved requires medical treatment away from the scene


Random - Urine Drug and Breath Alcohol Testing

* As of year 2013, employers are required to submit at least fifty (50) percent of the drivers for drugs and ten (10) percent for alcohol through the calendar year - or participate in a consortium that selects at those rates.

* Alcohol test must be performed during, before or right after performing safety sensitive functions (such as driving).


Reasonable Suspicion - Urine Drug and/or Breath Alcohol Testing

* Performed when trained supervisors make observations and/or detect signs that could indicate substance abuse in a driver.


Return to Work - Urine Drug and/or Breath Alcohol Testing

* Performed prior to returning to work, after a driver who has violated the rules has undergone elevation through a substance abuse professional (SAP).


Follow-Up - Urine Drug and/or Breath Alcohol Testing

* Drivers who have completed SAP evaluation and treatment are subject to unannounced Follow-up testing.  Employer must direct driver to report for testing at a minimum of 6 times the first year, and may continue to test up to 5 years.  Follow-up testing is subject to Same-Gender-Direct-Observation collection procedure.  


Not sure if you must comply?  Visit http://www.dot.gov/ost/dapc/index.html


DOT Drug and Alcohol Testing Services