Rule 14 — Engine Whistle Signals

1. (i)Wherever the words “engine whistle” appear in these rules they also refer to “engine horn”. Signals prescribed by this rule are illustrated by “o” for short sounds; “___” for longer sounds.
2. (ii)Engine whistle signals must be sounded as prescribed by this rule, and should be distinct, with intensity and duration proportionate to the distance the signal is to be conveyed. Unnecessary use of the whistle is prohibited.
3. (iii)Radio must not be used in lieu of engine whistle signals for indications prefixed by the symbol (#).
4. (i)Answer to a “stop” signal (except a fixed signal).
5. (ii)Answer to any signal not otherwise provided for.
6. (i)(#) At public crossings at grade: A whistle post will be located 1/4 mile before each public crossing where required. Whistle signal must be sounded by movements:
7. (ii)(#) At other whistle posts indicated in special instructions.
8. (iii)(#) At frequent intervals when view is restricted by weather, curvature or other conditions.
9. (iv)Special instructions will govern when such signal is prohibited in whole or in part.
10. (i)approaching and moving through curves; and
11. (ii)approaching and passing station facilities, yards and public crossings at grade. In addition, the movement must not exceed 25 MPH entering each public crossing at grade which is not protected by automatic warning devices, until such crossing is fully occupied.

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