追(お)い越(こ)し

追(お)い越(こ)し is the noun form of the verb 追(お)い越(こ)す (to overtake, to pass).

Common collocations

• 追(お)い越(こ)し禁止(きんし): no passing, overtaking prohibited
• 追(お)い越(こ)し車線(しゃせん): passing lane
• 追(お)い越(こ)しをする: to overtake
• 危険(きけん)な追(お)い越(こ)し: dangerous overtaking

Watch out

In Japanese traffic law, 追(お)い越(こ)し means passing by moving into another lane, while 追(お)い抜(ぬ)き is passing without changing lanes. 追(お)い越(こ)し禁止(きんし) forbids only the first.

Cultural note

Japan drives on the left, so the passing lane is on the right.