What is one of the top three factor associated with fatal crashes?

One of the top factors associated with fatal crashes is impaired driving, particularly due to alcohol or drugs. Impairment significantly decreases a driver's reaction time, judgment, and overall ability to operate a vehicle safely. This contributes to a higher likelihood of collisions and severe outcomes, making it a critical focus for traffic safety initiatives. Efforts to reduce impaired driving through education and enforcement are essential in lowering fatal crash rates.