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Commercial Vehicles and OWI in Iowa

An OWI for driving a commercial vehicle under the influence differs from a regular OWI in that a BAC as low as .04 is considered in violation of the statute.

A driver with a Commercial Driver’s License (“CDL”) will lose his commercial driving privileges for one year if he is convicted of driving while under the influence of drugs or alcohol with a BAC of 0.04% or higher. If the offense occurs while the driver is transporting hazardous materials, his license will be revoked for three years. A second offense will result in an automatic lifetime disqualification.

If a driver with a CDL is convicted of an OWI, a work permit may not be used for operation of a commercial vehicle. To restate a CDL after conviction, the driver will need to retake the driving exam and written knowledge test.

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