What is the meaning of the following traffic sign?

- You are approaching a train station.
- Level-crossing with train traffic in both directions.
- Careful! railway barrier.
- Correct answer: Level crossing, more than one track.
Why this is the answer
The correct answer in the official bank: Level crossing, more than one track.
A double X-shaped sign stands at a level crossing with more than one track, while a single X marks a crossing with one track. With several tracks, one train can hide another approaching on a neighbouring track. So never cross until you are sure every track is clear, even after one train has passed. The sign says nothing about train directions or a barrier.