The effects of a new traffic safety law in the Republic of Serbia on driving under the influence of alcohol

► The effects of the new traffic safety law on driving under influence alcohol were explored. ► There was no decrease in the ratio of drivers under the influence of alcohol vs. all drivers. ► There was no decrease in the number of drivers under the influence of alcohol, nor in their mean blood alcohol concentration. ► The new law had limited effects on driving under the influence of alcohol.