For a driver age 21 or older, driving with a blood alcohol concentration (BAC) of ____ or higher is illegal in California.

• A.0.08%
• B.0.10%
• C.0.05%
• D.0.15%

Why

California's per se limit for most adult drivers is 0.08% BAC. You can also be arrested for DUI below that level if alcohol or drugs impair your driving.

Manual topic: California Driver Handbook - Alcohol and Drugs · From the California Learner's Permit (Car) practice bank (CAC-081).

Practice the full California Learner's Permit (Car) test

More Alcohol, Drugs & DUI Penalties questions

• For drivers under age 21, California's zero-tolerance BAC limit is:
• A commercial driver in California is over the DUI limit at a BAC of:
• An under-21 driver who violates California's zero-tolerance alcohol law faces:
• Penalties for a DUI conviction in California can include:
• California's implied consent law means that, by driving, you have agreed to: