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Why do trains have to blow their horns at crossings with automatic signals?

April 26, 2017automatic blow crossings horns signals trains

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Why do trains have to blow their horns at crossings with automatic signals?

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Federal law requires trains to sound their horn at all highway-rail grade crossings. Many times, drivers find themselves not paying attention or not expecting to see a train, especially at crossings they are familiar with, because they never see a train there. These are the times when the locomotive horn may be the only warning that gets the driver’s attention. Never assume that a seldom-used track has been abandoned. The railroad can put a train there at any time!