At which bac is it illegal to drive in uk

The actual penalty you get is up to the magistrates who hear your case and depends on your offence. The legal drink-drive limit cannot be safely converted into a certain number of units, as it depends on a number of factors such as sex, body mass and how quickly your body absorbs alcohol. As a rule of thumb, two pints of regular-strength lager or two small glasses of wine would put you over the limit. It takes around two hours for a pint to leave your system although stronger beers and ciders will take longer.

A large glass of wine ml is still in the blood for four hours, while a single measure of a spirit takes just one hour. In the year the breathalyser was introduced there were 1, people killed in crashes attributed to alcohol, but publicans protested to then-Transport Minister Barbara Castle that the new law could put them out of business.

AA president Edmund King said: "The breathalyser sits alongside compulsory seat belts and the introduction of EuroNCAP crash testing as the three biggest road safety life-saving measures introduced in the last half-century.

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Cart 0. The limit for professional drivers in Scotland is still 0. The level is lower if the driver is involved in an accident.