a car (automobile) accident — an incident involving motor vehicles, such as collisions between cars or with pedestrians.
昨夜、近所で自動車事故が起きて交通が大幅に乱れた。
Last night a car accident occurred nearby and traffic was severely disrupted.
彼は自動車事故で軽いけがをしたが、大事には至らなかった。
He suffered minor injuries in a car accident but nothing serious.
夜間の運転は見通しが悪く、自動車事故の危険が高まる。
Driving at night reduces visibility and increases the risk of car accidents.