Shouldn't there be an emergency light?

这里难道没有应急灯吗？

On the track is the train with all its red emergency lights turned on, puffing and screeching like a very fat person who's just run into a wall.

铁轨上，列车亮着所有紧急指示灯。气喘吁吁，哼哼唧唧，恰似一个一头撞了墙的大胖子。