How to say “Has anyone removed the boarding ramp yet? The driver is ready to leave.” in Japanese

In Japanese

もうスロープは取(と)り外(はず)した？運転士(うんてんし)さんが出発(しゅっぱつ)を待(ま)ってるよ。

Mou suroopu wa torihazushita? Untenshi san ga shuppatsu o matteru yo.