Question

why the railway crossing is built on the roads on the train tracks?​

Answer 1

Answer:

Answer:the basic signal cousists of flashing red lights, a crossbuck and a baell,attached to a most.

At most crossings,the signals will activate about 30 seconds before the train arrive. In some countries (such as the czech republic or slovabia) there is also flashing white light which means it is safe to cross

Explanation:

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