Samenvatting
Results of an investigation into alcohol usage by road users are analysed. Information is given about the methods used when interviewing drivers on the road, choice of counties districts and places of the interview, month and time of interview, sex, profession, driving experiment, age education of interviewed drivers and coding of data obtained. Blood alcohol concentrations are analysed as to type of vehicle, family situation, profession, age, month, hour, district, weekday and sex of driver.