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Signal Passed At Danger on main tracks by train type

A signal overtaking consists of passing a signal with a closed appearance without authorisation. This dataset shows the number of SPADs ("Signal Passed At Danger") by train type on the main tracks of the network.

Crossing a red signal is not always a source of danger. By analogy, it is easy to compare this problem with that of motorists running red lights, thereby exposing themselves to a collision with vehicles entering the same junction. In the railway world, this junction is called "the first dangerous point" when a train that has passed the closed signal can collide with another train.

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