California Car / Permit practice question · Alcohol & Drugs
For a driver of any age who is on DUI probation, it is illegal to drive with a BAC at or above:
Answer choices
- 0.01%— Correct answer
- 0.04%
- 0.05%
- 0.08%
Why this is the answer
If you are on DUI probation, it is illegal to drive with a BAC of 0.01% or higher, at any age. The 0.04% limit applies to commercial vehicles and passengers for hire, and 0.08% applies to adults over 21 who are not on probation. Being on probation lowers your limit to nearly zero.
Source: California Driver Handbook — BAC Limits
Content reviewed against official driver handbooks · August 12, 2026
More Alcohol & Drugs questions
- Prescription and over-the-counter medicines:
- For a driver 21 years or older, it is illegal to drive with a blood alcohol concentration (BAC) at or above:
- According to the BAC table in the California handbook, what lowers your blood alcohol concentration after you drink?
- In California, it is illegal to have an open container of alcohol:
- Under California's "zero tolerance" law, a driver under 21 may not drive with a BAC at or above: