Any amount of alcohol affects an ability to drive and there is also risk a fine of up to £5,000, a minimum 12-month driving ban and a criminal record. The best way to remain safe is not to drink and drive.
• Agree on a designated driver
• Save a taxi number on your phone
• Find out about public transport routes and times before you go out
Make sure you are completely sober before you get behind the wheel. You could be over the legal limit many hours after your last drink, even if it's the 'morning after'. Sleep, coffee and cold showers don't help to sober you up.