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Legal guide to UK motoring, sections for law enforcement, Driver licensing, learner and new drivers, buying and selling, speeding fines, owning a vehicle, wheel clamping, traffic information.

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Drink Driving, driving under the influence


Check your basic knowledge on drink driving by taking our ten question quiz if you score less than eight then go to Drink Driving Explained on the menu and top up your knowledge
You can also find the latest stats showing which Area Police Forces had the most active breath testing regimes in 2009 and 2010 and how many drivers failed the test,
The section on Drugs and Driving lists the most the abused illegal drugs together with prescription drugs which can cause problems for some drivers
Your limit depends on your age, weight and height and also how tired you are. Each unit takes 1 hour to leave your system plus 1 more hour. So if you had a bottle of wine you could not drive for 7 hours without the risk of being over the limit. If you have more than that you can probably forget trying to drive to work the next morning as well. The best advice is not to drink at all when driving.

Drink Units Units Remaining
Spirit Shot 0.9 2.1
3 Spirit Shooter 2.7 0.3
Vodka/Gin/Rum + mixer 0.9 2.1
Whisky/Bourbon + mixer 1 2
Large Glass of Wine 2.1 0.9
Small Glass of wine 1.5 1.5
Alcopop 1.4 1.6
2 shot cocktail 1.8 2.2
3 shot cockail 2.7 0.3
Pint of cider 2.8 0.2
Pint of strong cider 4.8 -1.8
Pint of lager 2.3 0.7
Bottle of premium beer 1.7 1.3
Pint of Guinness 2 1
Martini 0.8 2.2
Bottle of wine 9 -6


Spot Quiz
How much do you think you know about the legal limit and punishmnets for exceeding it? Why not try our quiz and test yourself. remember that any of the questions that you get wrong could cost you dearly in the real world!

How many units of alcohol is generally regarded as the maximum amount before driving?

2
3
4


What is the current legal limit for driving in the UK?

80mg of alcohol per 100ml of blood
50mg of alcohol per 100ml of blood
100mg of alcohol per 100ml of blood


If convicted of drink driving how long will it be usually before you can hire a car?

2 Years
5 years
10 years


How much time does it take for 1 unit of alcohol to leave your system?

Half an hour
1 hour
2 hours


What is the maximum penalty for refusing to provide a specimen?

A fine of 1000 and a ban for at least 6 months.
6 months imprisonment plus a fine of 5000 and a ban for at least 12 months.
3 months imprisonment plus a fine of 1000 and a ban for at least 6 months.


What is generally regarded as one unit of alcohol?

Half a pint of normal beer
Small wine
Gin & Tonic


At twice the legal limit how many times are you more likely to be involved in a fatal accident?

10
20
50


How many units of alcohol in 3 174ml glasses of champagne?

2.4
4.6
6.3


If convicted of drink driving what can your insurance premiums increase by?

5 times
4 times
Double


If you drink 1 pint of strong cider how long would it be before you are under the limit?

1 Hour
3 Hours
2 hours





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