Drinking and driving: what is the penalty for drink driving?

JUDr. Ondřej Preuss, Ph.D.
1. July 2024
8 minutes of reading
8 minutes of reading
Criminal law

You’ve had a few beers, but it’s been a while and you’re telling yourself nothing’s going to happen? You could be very wrong. If you get pulled over by the police and you puff, you’re going to have to slap yourself pretty hard and you’ll still get demerit points. And the same applies if you’re cycling through the vineyards and can’t resist a stop at a wine cellar. In this article, we’ll tell you what specific penalties you’re facing and how much a millilitre is too much.

How alcohol affects driving a car

Alcohol significantly affects your ability to drive a car, both physically and mentally. Specifically, it causes:

  • Reduced reaction time: Alcohol slows your reactions, which means that under its influence you react more slowly to unexpected situations on the road, such as a car braking hard or a small child running unexpectedly into the road between parked cars.
  • Impaired co-ordination: alcohol affects your motor skills and co-ordination, which can lead to problems controlling the vehicle, such as turning the steering wheel or using the pedals.
  • Narrowing your field of vision: Alcohol causes ‘tunnel vision’, where you can only see what’s directly in front of you and can’t see objects in the periphery (for example, a car coming off the main road when you’re waiting at an intersection).
  • Impaired judgement and decision making: alcohol affects your ability to make decisions and judge situations. Drivers under the influence of alcohol feel more confident and therefore take more risks. For example, they drive at high speeds or ignore traffic signs and traffic lights.
  • Drowsiness and fatigue: Alcohol causes drowsiness, which naturally increases the risk of falling asleep at the wheel.
  • Reduced ability to perceive distances and speeds: Alcohol affects the ability to judge distances and speeds, which can lead to dangerous situations when overtaking or driving in a traffic jam.
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How many milliliters is one beer?

Alcohol content varies from one alcoholic beverage to another, and so does your ability to break down alcohol. In general, however, for the average 70-pound man , a pint of ten will raise your level by 0.3 per mille, and a twelve-pack by 0.4 per mille. If you indulge in two decibels of wine, it will be about 0.43. A small shot of 40% rum or vodka is equivalent to 0.12 and a large one to 0.27. And if you have something even harder, like plum brandy or absinthe, one large shot can give you 0.4.

However, we don’t usually stick to just one drink, but have, say, 4 beers and three large shots of rum. Together, these add up to almost 2.5 per mille of alcohol, and we’ll break it down for up to 17 hours. We can forget about driving that night or first thing in the morning.

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How quickly alcohol is absorbed

Alcohol is absorbed into the bloodstream through the stomach and small intestine. Approximately 20% is absorbed in the stomach and 80% in the small intestine. After ingestion, alcohol reaches its maximum concentration in the blood in about 30-90 minutes. Thereafter, the blood alcohol level begins to decrease, which takes several hours, depending on the amount of alcohol consumed and other circumstances.

The rate of absorption depends on various factors. The biggest influence is the amount and type of food in the stomach and individual metabolic differences. In general, however, on average, alcohol is broken down at a rate of about 0.1-0.2 per hour.

Alcohol tolerance behind the wheel in the Czech Republic and worldwide

In the Czech Republic, there is zero tolerance for alcohol behind the wheel. This means that drivers must not have any alcohol in their blood. However, there is a buffer zone, which is set at 0.24 per mille. The blood alcohol measurement is not 100% and can be distorted.

The zero tolerance also applies in Slovakia, Hungary and Romania, for example. In Croatia or Germany, the limit is set at 0.5 per mille, except for novice and professional drivers. In the UK and Ireland, you can legally breathe up to 0.8%.

Map of alcohol tolerance behind the wheel in the Czech Republic and worldwide

Breath test

A breath test is mandatory whenever a police officer stops you , regardless of the reason. The breath test process itself is conducted by asking the driver to take a deep breath in and then exhale smoothly into the mouthpiece. At this point, there is only what is known as an ” orientation” measurement, which is simply to determine whether the driver has alcohol present in his or her blood.

If the device assesses the presence of alcohol in the blood, it moves on to a professional measurement after five minutes. For this purpose, only the Dräger device is used, which is the most accurate and the only one that serves as evidence in the event of further investigation. In the event of a positive result, you do not necessarily have to undergo a medical examination with blood sampling.

Refusal of a breath test

If you do not want to take a breath test, you have the right to do so. However, this automatically carries a penalty as it is an offence. You face a fine of between 25,000 and 70,000 crowns, six penalty points and a driving ban of up to three years in administrative proceedings.

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Tip: Learn what an offence is and when it is committed.

False positive breath test

It can happen that you breathe in even though you are 100% sure that you have not consumed any alcohol. This can be due to, for example, residual alcohol in the mouth (e.g. from medication or mouthwash), due to illness (e.g. in the case of diabetics) or a problem on the alcohol tester’s side.

In this case, you have the option of insisting on a blood alcohol test by your doctor. However, this does come with a few problems. Firstly, you will have to pay for the test yourself and secondly, the police officer is not obliged to take you back to your car.

What is the penalty for drink driving

The severity of the penalty depends on your blood alcohol level as follows:

  • Up to 0.3 per mille: You can be fined between 7,000 and 25,000 crowns and banned from driving for 6 months to a year and a half.
  • Between 0.3 and 1 per mille: You can get a fine of 7,000 to 25,000 crowns, 6 penalty points and a driving licence suspension for six months to a year and a half.
  • Over 1 per mille: If you are over 1 per mille, you are committing the offence of driving under the influence of an addictive substance. This can result in a prison sentence of up to one year, a fine or a ban from driving. More severe penalties, specifically in the form of a prison sentence of between six months and three years, a fine or a ban on activity, can then be imposed if you have committed a traffic accident or if you have been drinking in the course of your occupation (especially driving a mass transit vehicle) or if you have committed the offence repeatedly.
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Tip: Have you been charged with felony DUI? You will only succeed in court if your defense is bulletproof. We will conduct a careful analysis of your case and design a criminal defense procedure in which we will vigorously enforce your rights.

Compulsory liability and alcohol

It also doesn’t pay to get behind the wheel with a drink because if you accidentally cause an accident, you will have to pay for everything out of your own pocket. Even compulsory insurance won’t save you in this case. The insurance company will pay the amount, but will then recover it from you. And you can also forget about the money from the breakdown insurance.

Alcohol for cyclists and boaters

Finally, it’s worth remembering that alcohol doesn’t belong behind the handlebars of a bicycle either. In fact, there is zero tolerance for cyclists too. Failure to do so can result in an administrative fine of between CZK 7,000 and CZK 25,000.

Riders on a non-powered craft have an advantage over cyclists in that they can enjoy a beer or two. The 0.5 per mille limit applies to them. However, this applies only to coxswains; other boaters are not restricted at all. An exception to the rule are certain high-risk sections (e.g. on the Elbe River from Přelouč to the state border), where alcohol is not tolerated at all.

Summary

Drink-driving in the Czech Republic is strictly regulated with zero tolerance, reflecting the serious risk that alcohol poses to road safety. Alcohol impairs reaction time, coordination, judgement and the ability to judge distances and speeds, which significantly increases the risk of road accidents. Penalties for drink driving increase with higher blood alcohol levels, with maximum penalties including imprisonment and heavy fines. The same strict rule applies to cyclists, while drivers have more lenient limits, but with exceptions for certain sections. It is important to note that insurance does not cover damages caused by a drunk driving accident, which means additional financial risk for drunk drivers.

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Author of the article

JUDr. Ondřej Preuss, Ph.D.

Ondřej is the attorney who came up with the idea of providing legal services online. He's been earning his living through legal services for more than 10 years. He especially likes to help clients who may have given up hope in solving their legal issues at work, for example with real estate transfers or copyright licenses.

Education
  • Law, Ph.D, Pf UK in Prague
  • Law, L’université Nancy-II, Nancy
  • Law, Master’s degree (Mgr.), Pf UK in Prague
  • International Territorial Studies (Bc.), FSV UK in Prague

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