CHP Vehicle Codes and Regulations 3 — Questions and Answers
Question 1: Under California law, what blood alcohol concentration (BAC) is the legal limit for non-commercial adult drivers age 21 and over?
- 0.04%
- 0.06%
- 0.08% (Correct answer)
- 0.10%
Correct answer: 0.08%
CVC 23152 makes it unlawful for a person 21 or older to drive with a BAC of 0.08% or higher.
Question 2: What BAC limit applies to drivers under 21 years of age in California under the Zero Tolerance Law?
- 0.00%
- 0.01% (Correct answer)
- 0.02%
- 0.05%
Correct answer: 0.01%
CVC 23136 establishes a 0.01% BAC limit for drivers under 21, making any detectable alcohol effectively prohibited.
Question 3: Under California's Implied Consent Law (CVC 23612), what is the consequence for a first-time DUI arrestee who refuses a chemical test?
- A $100 fine with no license action
- A one-year administrative license suspension (Correct answer)
- A 30-day mandatory alcohol program
- No additional penalty beyond the DUI charge itself
Correct answer: A one-year administrative license suspension
CVC 23612 mandates a one-year administrative license suspension for a first refusal to submit to a chemical test after a lawful DUI arrest.
Question 4: What is the BAC limit for commercial vehicle drivers under California law?
- 0.02%
- 0.04% (Correct answer)
- 0.06%
- 0.08%
Correct answer: 0.04%
CVC 23152(d) prohibits commercial vehicle drivers from operating with a BAC of 0.04% or higher due to the greater risk posed by large vehicles.
Question 5: During the first 12 months of a provisional license, a California driver under 18 may NOT transport passengers under age 20 unless:
- A licensed driver age 25 or older is present in the vehicle (Correct answer)
- It is a documented emergency situation
- The trip is less than 10 miles
- Written parental permission is carried
Correct answer: A licensed driver age 25 or older is present in the vehicle
CVC 12814.6 prohibits provisional holders from transporting passengers under 20 during the first 12 months unless a licensed driver age 25 or older is present.
Question 6: A California driver's license issued to a person age 21 or older is valid for how many years?
- 3 years
- 4 years
- 5 years (Correct answer)
- 6 years
Correct answer: 5 years
California driver's licenses for adults age 21 and over are valid for 5 years from the date of issuance.
Question 7: Which of the following persons is NOT required to obtain a California driver's license to drive on California public roads?
- A foreign tourist who has been in California for six months
- An active-duty military member stationed in California with a valid home-state license (Correct answer)
- An out-of-state college student residing in California for two years
- A Nevada resident who commutes daily into California for work
Correct answer: An active-duty military member stationed in California with a valid home-state license
Active military members stationed in California may drive using a valid license from their home state and are exempt from California's residency-based licensing requirement.
CHP Vehicle Codes and Regulations 3
Under California law, what blood alcohol concentration (BAC) is the legal limit for non-commercial adult drivers age 21 and over?