S-3.3, r. 2 - Regulation respecting rail safety

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25. A locomotive must be equipped with a white headlight at the front.
The headlight must be on at full power when the locomotive is in movement except when it moves near a public highway, in which case it must be dimmed.
Notwithstanding the second paragraph, the locomotive headlight must be on at full power when the locomotive approaches a level crossing until the equipment is fully engaged on the level crossing.
O.C. 1401-2000, s. 25.