California DMV DUI and Alcohol Laws

Question 1

What is the legal blood alcohol concentration (BAC) limit for adult drivers 21 and older in California?

Accepted Answer

0.08%

Answer

California law sets a BAC limit of 0.08% for drivers 21 and older — exceeding this is per se DUI.

Question 2

What is the BAC limit for drivers under 21 in California?

Accepted Answer

0.01%

Answer

California has a zero-tolerance law for drivers under 21, with a BAC limit of 0.01% — essentially any detectable alcohol.

Question 3

If a driver under 21 is convicted of a first DUI in California, their license will be suspended for:

Accepted Answer

1 year

Answer

A first DUI conviction for an under-21 driver results in a one-year license suspension in California.

Question 4

What does California's 'implied consent' law mean?

Accepted Answer

By driving, you consent to chemical BAC testing when lawfully arrested for DUI

Answer

California's implied consent law means any person driving in the state automatically agrees to chemical testing if lawfully arrested for DUI.

Question 5

Refusing a chemical test after a lawful DUI arrest in California results in:

Accepted Answer

A mandatory one-year license suspension for a first offense

Answer

Refusing a chemical test after a lawful DUI arrest triggers an automatic one-year license suspension under California's implied consent law.

California DMV - California Department of Motor Vehicle Practice Test