Scientists and specialists in the fields of human psychology, neurobiology and kinetics study human behavior while driving and moving on roads, focusing on the psychological, cognitive, emotional and social factors that affect the efficiency of road traffic. Their work aims to understand the dangers of road traffic, improve road safety and develop effective preventive and intervention systems. Their research focuses on drivers, pedestrians, cyclists, and the road environment in general, and includes the study of attention, perception, reaction time, decision-making, aggression, risk appetite, fatigue, psychological stress, personality traits, and human interaction with the vehicle and the environment. These studies also aim to apply the results to the development of awareness programs, hands-on training, road design, traffic light systems, and the improvement of evidence-based road policies.