What does a train horn signal communicate?

Warnings and messages to people nearby.

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  1. The weather forecast
  2. Warnings and messages to people nearby ✔
  3. The price of tickets

Why: Horn signals warn people and pass messages along the line.

Huh, didn't know that: Horn signals warn people and pass messages along the line.

The dad joke
That horn really blows its own trumpet.
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References

Answer: Warnings and messages to people nearby. Horn signals warn people and pass messages along the line.

  1. Scouting America: Railroading www.scouting.org/merit-badges/railroading
    Explain the meaning of three horn signals
    Checked 2026-11-07.

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