California DMV Permit Test (Class C)Alcohol and DrugsMedium
What is the legal blood alcohol concentration (BAC) limit for a driver aged 21 or older operating a personal vehicle in California?
- A0.04%
- B0.08%
- C0.10%
- D0.01%
Show answer & explanationAnswer & explanation
Correct answer: B. 0.08%
For drivers aged 21 or older operating a non-commercial vehicle in California, it is illegal to drive with a blood alcohol concentration (BAC) of 0.08% or higher. This is the standard legal limit for DUI.
Why the other options are wrong
- A. This is the BAC limit for commercial drivers, not for non-commercial drivers 21+.
- C. While illegal, this is higher than the established legal limit of 0.08%.
- D. This is the 'Zero Tolerance' limit for drivers under 21, not for adults 21+.
Adult BAC Limit (CA)
In California, it is illegal for drivers aged 21 or older to operate a non-commercial vehicle with a Blood Alcohol Concentration (BAC) of 0.08% or higher.
- Applies to drivers 21 and older.
- For non-commercial vehicles.
- 0.08% is the per se legal limit.
Memory trick: Different ages, different jobs, different BAC rules.