Home › DMV Practice Tests › California › Learner's Permit (Car) Questions › Question 186
For a driver age 21 or older, it is illegal to drive with a blood alcohol concentration (BAC) of:
- A.0.01% or higher
- B.0.08% or higher
- C.0.04% or higher
- D.0.10% or higher
Correct answer
B. 0.08% or higher
Why
The general illegal limit for adults 21 and older is a BAC of 0.08% or higher. Lower limits apply to younger and commercial drivers.
Manual topic: California Driver Handbook - Alcohol and Drugs · From the California Learner's Permit (Car) practice bank (CAC-186).