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Crossing sequence (railways)

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In rail transport, the crossing sequence is a pattern (2 long, 1 short, 1 long. Each about 2 seconds for the long, 1 second each for the short & spaces) sounded by a locomotive horn or whistle as the train approaches and passes a grade crossing.[1]

See also

References

  1. ^ Network Rail. "Types of Level Crossing". {{cite web}}: Cite has empty unknown parameter: |1= (help)