A new survey reveals one in six Irish motorists have witnessed a friend drive a car while under the influence of recreational drugs.
The research carried out on behalf of eFlow, the road tolling company, shows one-in-20 people admitted to driving after consuming drugs at least once.
The study, conducted among 521 respondents also found that one in seven motorists have driven while over the drink drive limit.
It also shows that every second person exceeds the speed limit on occasion, while one third exceed the speed limit weekly.
