This study is a multicentre observational study that will include 2 populations: drivers involved in serious road accidents (hospitalization > 24 hours) and non-serious road accidents (hospitalization < 24 hours). The drivers involved in road accidents and admitted in an emergency department will be identified during daily visits (except on week end) by Clinical Research Associates (CRA) of the different centres. As soon as possible, a structured validated interview will done by a trained CRA.