Driving Impairment - Unten Sogai

...A railway accident is an event that occurs that impedes the safe and accurate transportation of railways. The Railway Accident Reporting Regulations based on the Railway Business Act broadly classify events that impede safety and events that impede accuracy, and define and handle the former as railway operation accidents and the latter as operation-impeding accidents (there are also provisions for electrical accidents and disasters). Railway operation accidents are events that result in the death or injury of people or damage to property due to the operation of a train or vehicle, and include the following events: ...

*Some of the terminology that refers to "driving impairment" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…鉄道の安全で正確な輸送を阻害する事象が発生した場合を鉄道事故という。鉄道事業法に基づく鉄道事故等報告規則においては，安全を阻害する事象と正確を阻害する事象の二つに大別し，前者を鉄道運転事故，後者を運転阻害事故と定義づけて処理している(ほかに電気事故と災害についても規定している)。　鉄道運転事故とは，列車または車両の運転により，人の死傷または物の損傷を生じたもので，次のような事象をいう。…

※「運転阻害」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報