A whistle post is a sign placed along a railway track that instructs train operators to sound their whistle or horn. Typically located near crossings, curves, or other areas where extra attention is needed, the whistle post alerts the train crew to signal in order to warn people or vehicles nearby. The purpose of the whistle post is to increase safety by ensuring that the sound of the train’s whistle can be heard in advance, allowing time for pedestrians, drivers, or other train crews to respond appropriately. This practice is important in preventing accidents and ensuring clear communication on the tracks.

“whistle post”的英语定义和含义

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