In rail transport, a whistle post or whistle board, is a sign marking a location where a train driver is required to sound the horn or whistle. == Australia == In Australia, whistle posts consist of a pole or upright flat-bottom rail with a white or reflective yellow X. In Queensland, A whistle post is mounted on a metal pole or old rail.
In rail transport, a whistle post or whistle board, is a sign marking a location where a train driver is required to sound the horn or whistle. == Australia == In Australia, whistle posts consist of a pole or upright flat-bottom rail with a white or reflective yellow X. In Queensland, A whistle post is mounted on a metal pole or old rail.
Source: Wikipedia "Whistle post" · CC BY-SA 4.0
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