How to say “Our coach has arrived, but we're still waiting on the boarding platform for the driver to open the door.” in Japanese

In Japanese

バスはもう来(き)てるのに、運転手(うんてんしゅ)さんがドアを開(あ)けてくれなくて、まだ乗(の)り場(ば)で待(ま)ってる。

Basu wa mō kiteru noni, untenshu-san ga doa o akete kurenakute, mada noriba de matteru.