CDL Drivers - Alcohol Penalties
You will be immediately placed out-of-service for 24 hours if you:
Other Alcohol Violations
If you consume too much alcohol and operate a commercial motor vehicle, you can be charged with:
- Operating with an unlawful bodily alcohol level (UBAL) of .10 grams or more per 100 milliliters of blood, per 210 liters of breath, or per 67 milliliters of urine
- Operating under the influence of liquor (OUIL)
- Operating while impaired (OWI) when your BAC is more than .07 but less than .10 grams per 100
- milliliters of blood, per 210 liters of breath, or per 67 milliliters of urine
- Operating with a BAC of .04 - .07 grams per 100 milliliters of blood, per 210 liters of breath, or per 67 milliliters of urine
- OUIL, OWI or UBAL causing death or serious injury
You may be charged with operating under the influence of drugs (OUID).
If you refuse to submit to a chemical test (Implied Consent)* or are convicted of any of the alcohol
offenses listed above, your CDL will be:
Suspended for one year for a first offense, or three years if transporting hazardous materials; and
Revoked for a minimum of ten years for a second or third offense.
*Implied Consent means that any person who holds a CDL is considered to have agreed to such testing. Consent is implied by driving a motor vehicle.
Your operator/chauffeur license may also be suspended or revoked and points may be added to your driving record.
Michigan Commercial Driver License Manual What Every Driver Must Know