Risky driving includes speeding, tailgating, and failing to come to a full stop, all of which increase injury risk. Investigating what leads to risky driving, like mental health disorders such as depressed mood and alcohol abuse, is important for implementing interventions that help limit road traffic crashes. Dr. Nevicia Case discusses the findings from her most recent study that examined the mental health disorders and driving behaviours over time of individuals with previous driving under the influence offences.