California Drunk Driving
What DUI/License Suspension means in California:
California drunk driving law involves two primary allegations. The first alleges that you were driving under the influence of alcohol and or/drugs, such that you were so impaired you could not safely drive your vehicle. The second is that while driving, irrespective of the degree of your impairment, your blood-alcohol level was at least .08% or more. The second allegation is presumptive and is called the drunk driving per se rule. Under V.C. 23152(b) the law assumes that you were illegally impaired by virtue of your blood alcohol level. A conviction on either one of the two allegations is sufficient to be convicted of drunk driving.
All about Blood Alcohol Concentration (BAC)
Blood Alcohol Concentration is a measure of the
amount of alcohol in the blood stream expressed
as a percentage. The illegal BAC level in
California is set at .08 percent. A person
weighing 150 pounds, drinking at the rate of 1.5
ounces of alcohol (the approximate amount found
in one 12-ounce can of beer or one glass of wine)
per half hour, would need:
What if I refuse to take a chemical test?Two drinks....................to reach a BAC of 0.05%
Three drinks......to reach a BAC of nearly 0.08%
Four drinks...................to reach a BAC of 0.10%
Six drinks......................to reach a BAC of 0.15%
What if my blood alcohol level is at or very near .08?
If you are at, or near, the legal limit, you might have a very strong case. Arguably, there is always a chance of an error or mistake in all three chemical tests – including blood. If your test result was .08, then there is good chance your case will be reduced to a wet-reckless (still counts as a prior DUI should you have a subsequent drunk driving arrest) or even a dry-reckless (which will not count as a prior – so is usually a very good disposition for such a case).
Factors in determining how alcohol effects you
How much alcohol does it take to impair ones driving?• Your Weight. It takes less alcohol to become
intoxicated if you weigh 120 pounds than if
you weigh 180 pounds.
• Whether you are drinking on a full or empty
stomach. It takes less time to get intoxicated
if you drink on an empty stomach.
• How many drinks you have and their alcohol
content.
• How long you have been drinking.
• Whether you are taking any medicines or
drugs, which may combine with alcohol to
increase the effect of alcohol on your driving
ability.
What is 'Admin per se'?
“Admin per se” refers to a relatively new procedure, administrative license suspension, in which a driver’s license may be taken before conviction when a driver fails or refuses to take a chemical test for alcohol. As of 2004, 45 states, including Washington, D.C., had administrative license suspension laws. In California a driver’s license is suspended for four months on a first offense, and one year for a second offense.
![]() Mike Angeloff has over twenty years experience as a successful trial attorney in both criminal defense and civil prosecution. He is a published author in the area of DUI defense, and a former contributing editor to the leading DUI defense publication in the state of California. Mike has successfully handled thousands of criminal defense matters.
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• 42,636 people were killed in traffic crashes. 16,694 of these fatalities were a result of alcohol. (39% of all traffic deaths.)
• Over 248,000 people suffered injuries in alcohol-related collisions.
• Safety belts were used by only 28% of fatally injured drivers with BAC levels of .08 or higher.
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