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BAC limit on DUI probation

A free practice question for the California permit test, with the answer explained.

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Practice question · Alcohol and drugs

You are 35 and on probation for a DUI. What BAC is illegal for you to drive with?

The rule

If you are on DUI probation, it is illegal to drive with a BAC of 0.01% or more, whatever your age.

On DUI probation, driving with a BAC of 0.01% or more is illegal at any age. That is the same limit as for drivers under 21.

From the California Driver Handbook, section 9, page 73. This question is our own wording of that rule. The handbook and the DMV have the final word.

Often mixed up with

People confuse these rules with this one. Each has its own practice question.

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