(ついとつじこ)

ついとつじこ
noun
rear-end collision; rear-ending accident
transportation
1. rear-end collision; an accident in which one vehicle hits the back of another
A traffic accident in which the front of one vehicle strikes the rear of the vehicle ahead — typically because the following driver failed to maintain enough distance or did not notice that the vehicle ahead had stopped. One of the most common types of car accident in Japan.
追突事故(ついとつじこ)()こす
To cause a rear-end collision.
信号待(しんごうま)追突事故(ついとつじこ)にあった。
I was rear-ended while waiting at a traffic light.
A rear-end collision involving a large truck occurred on the highway, and the long traffic jam is still continuing.
The driver, whose brakes had become less effective in the rain and who ended up rear-ending the car in front, is explaining the situation to the police.

Composed of 追突(ついとつ) ('rear-ending; collision from behind') + 事故(じこ) ('accident'). The first element 追突(ついとつ) is itself a Sino-Japanese compound from (つい)う ('to chase, follow') + (とつ) ('to ram, thrust').

Usage

  • A standard term in news reports, insurance claims, and traffic statistics. Both speakers and writers use it freely.
  • Often appears with ()こす ('to cause') for the at-fault driver, and with にあう ('to suffer') or ()()まれる ('to be caught up in') for the victim.
  • Compare with 接触事故(せっしょくじこ) ('minor side-swipe / contact accident') and 正面衝突(しょうめんしょうとつ) ('head-on collision').

Common collocations

Similar words

  • 接触事故(せっしょくじこ): minor contact accident — a less severe collision involving glancing contact, often without injury.
  • 正面衝突(しょうめんしょうとつ): head-on collision — the front of one vehicle strikes the front of another; usually more severe.
  • 物損事故(ぶっそんじこ): property-damage-only accident — categorized by lack of injury, regardless of how the collision occurred.
  • 人身事故(じんしんじこ): accident involving injury or death — categorized by human casualties.
  • 玉突(たまつ)事故(じこ): chain-reaction accident — multiple vehicles colliding in sequence; often a series of 追突(ついとつ).