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

Full text
85. The locomotive engineer shall appoint a member of his crew to provide protection of a level crossing before passing over it when
(1)  the level crossing is not protected by a watchman, a signalman or gates and the locomotive engineer cannot plainly see it;
(2)  the level crossing automatic warning device is defective; or
(3)  the level crossing is equipped with an automatic warning device and the equipment must make a reverse movement after it has passed over the level crossing without activating the automatic warning device again.
The engineer may not enter the level crossing with the leading car before he has received the signal to pass over it from the appointed person.
O.C. 1401-2000, s. 85.