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by crocal 2177 days ago
Be careful, as many topics in railway signalling, this is actually fairly complicated and tricky. As I said in another comment, crossings are pure evil. They are many hazardous scenario and without any system inside the car, mitigations are not fail safe.

Personnally, I belong to the school of « remove them all, whatever the costs ». A little extreme, but €&@% I hate these things.