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Motorists wrongly calculate drink driving limits

2 December 2008

Almost all motorists underestimate the number of units of alcohol in a medium strength pint of lager and a 250ml glass of wine putting themselves, their licences and the lives of others at risk by driving while over the drink-drive limit.

A new drink-drive survey undertaken by morning after breathalyser manufacturer AlcoSense, reveals that both drinks contain 3.4 units of alcohol - the most popular answer by survey respondents was two units. The current drink-drive law means that there is in effect a two-unit limit.

Hunter Abbott, CEO of AlcoSense said: “This is worrying for the evening, but even more worrying for the morning after as people are vastly underestimating just how much alcohol they have consumed. Only four of these drinks could put drivers over the limit the following morning.”