A set of improper or dangerous actions by road users that increase the likelihood of accidents and injuries. Examples include: speeding or driving at high speeds, not wearing a seat belt or bicycle helmet, ignoring traffic lights or warning signs, driving under the influence of alcohol or drugs, as well as driving under the influence of alcohol, drugs, and extreme fatigue, and aggressive driving, such as passing through without authorization or putting pressure on other drivers. Irrational and unhealthy behavior on the road is the subject of psychological science in road safety policy