How Long After Drinking Can You Detect DUI

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1. A bottle of beer can't detect drunk driving for a few hours.

1. It takes about three to six hours to drink a bottle of beer before you can detect drunk driving. Generally speaking, a bottle of beer has a capacity of 750ml and an alcohol content of about 10 degrees. After drinking a bottle of beer, the blood alcohol level of the human body will reach its peak in about 30 minutes to 1 hour, of course, the specific value of the human blood alcohol content depends on many factors such as weight, gender, whether it is fasting and personal constitution.

2. Legal basis: Article 91 of the Road Traffic Safety Law of the People's Republic of China.

Anyone who drives a motor vehicle after drinking alcohol shall have his motor vehicle driver's license suspended for six months and shall be fined not less than 1,000 yuan but not more than 2,000 yuan. Those who are punished for driving a motor vehicle after drinking alcohol and drive a motor vehicle after drinking alcohol again are to be detained for up to 10 days, fined between 1,000 and 2,000 RMB, and have their motor vehicle driver's license revoked.

If a person drives a motor vehicle while intoxicated, the traffic management department of the public security organ shall restrain him until he sobers up, revoke the motor vehicle driver's license, and pursue criminal responsibility in accordance with law; A motor vehicle driver's license may not be re-obtained within five years.

Anyone who drives a commercial motor vehicle after drinking alcohol shall be detained for 15 days, fined 5,000 yuan, have his motor vehicle driver's license revoked, and shall not re-obtain a motor vehicle driver's license for five years.

Anyone who drives a motor vehicle while intoxicated shall be restrained by the traffic management department of the public security organ until he sobers up, and the driver's license of the motor vehicle shall be revoked, and criminal responsibility shall be investigated in accordance with law; A motor vehicle driver's license shall not be re-obtained within ten years, and after the motor vehicle driver's license is re-obtained, a motor vehicle shall not be driven.

If a major traffic accident occurs after drinking alcohol or driving a motor vehicle while intoxicated, and a crime is constituted, criminal responsibility shall be investigated in accordance with law, and the motor vehicle driver's license shall be revoked by the traffic management department of the public security organ, and the motor vehicle driver's license shall not be re-obtained for life.

2. What are the criteria for judging drunk driving and drunk driving?

The judging criteria for drunk driving and drunk driving are as follows:

1. Drunk driving, the blood alcohol content of the vehicle driver is greater than or equal to 20mg 100ml, less than 80mg 100ml;

2. Drunk driving, the blood alcohol content of the vehicle driver is greater than or equal to 80mg 100ml.

Everyone's effect on alcohol is different, preferably after twenty-four hours.

Everyone's individual differences are different, and the time it takes for alcohol to be digested is also different. Similarly, some people can digest it in about 6 to 8 hours, while others may take 12 hours to digest it.

How long can drunk driving not be measured needs to be decided according to practice, as long as the traffic management department of the public security organ is tested, the blood alcohol content threshold of the vehicle driver is less than 20mg 100ml, it is not a drunk driving.

[Legal basis].

Threshold and test of blood and breath alcohol content of vehicle drivers》The driving behavior of vehicle drivers whose blood alcohol content is greater than or equal to 20mg 100ml and less than 80mg 100ml is drunk driving; The driver's blood alcohol content is greater than or equal to 80mg, and the driving behavior of confiscating 100ml is drunk driving. Article 91 of the Road Traffic Safety Law stipulates that a person who drives a motor vehicle after drinking alcohol shall have his motor vehicle driver's license suspended for six months and shall be fined not less than 1,000 yuan but not more than 2,000 yuan. Those who are punished for driving a motor vehicle after drinking alcohol and drive a motor vehicle after drinking alcohol again are to be detained for up to 10 days, fined between 1,000 and 2,000 RMB, and have their motor vehicle driver's license revoked.

If a person drives a motor vehicle while intoxicated, the traffic management department of the public security organ shall restrain him until he sobers up, revoke the license for leaking liquid after driving the motor vehicle, and pursue criminal responsibility in accordance with law; A motor vehicle driver's license may not be re-obtained within five years.

It is possible to detect drunk driving in 8 hours. It is not a short 8-hour judgment of drunk driving, but is based on various factors such as the speed of alcohol decomposition, alcohol content, weight, gender, whether it is drinking on an empty stomach and personal physique. For example, if the owner drinks a very low degree of alcohol, and the amount of alcohol is not much, and the decomposition rate of alcohol is also very fast, then it is basically impossible to detect drunk driving after waiting for 8 hours.

If the conditions are reversed, then the result is likely to be drunk driving.

[Legal basis].Provisions on the Procedures for Handling Administrative Cases by Public Security Organs》 Article 95: A breath alcohol test shall be conducted on a person suspected of driving a motor vehicle under the influence of alcohol, and in any of the following circumstances, a blood sample shall be immediately taken to test the blood alcohol content:

1) The parties have objections to the breath alcohol test results.

2) The party refuses to cooperate with the breath alcohol test.

3) Suspected of driving a motor vehicle while intoxicated.

4) Shen friends who are suspected of driving a motor vehicle after drinking alcohol and causing a traffic accident. If the parties have no objection to the breath alcohol test results, they shall sign for confirmation. Where an objection is raised after the fact, it is not allowed.