Has somebody pulled the emergency brake, or are we waiting for a signal?

How to say “Has somebody pulled the emergency brake, or are we waiting for a signal?” in Japanese

In Japanese

誰(だれ)か非常(ひじょう)ブレーキを引(ひ)いたのかな。それとも信号待(しんごうま)ち？

Dareka hijō burēki o hiita no kana. Soretomo shingōmachi?

Has somebody pulled the emergency brake, or are we waiting for a signal? in other languages