What must you do when red lights are flashing at a railway level crossing?

铁路交叉道口的红色信号灯闪亮的时候，你该怎么做？

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Another train may follow. Barriers must be fully raised and there must be room for your whole vehicle beyond the crossing.

一列火车通过后仍可能有另一列列车；不能凭看不见火车就越过红灯，栏杆也须完全升起且出口有足够空间。