alcohol in GB ? The special case: You get caught with a bicycle under the influence of alcohol. The police detect a blood alcohol level of 1.7 ‰ (0.17%) , this equals about two bottles of wine. This would be your first offence and no other offence occurred in the same time such as endangering others. What would be the punishment and what else could happen such as a medical/psychological examination to prove that you don't abuse alcohol?