S-2.1, r. 14 - Regulation respecting occupational health and safety in mines

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179. Except for vehicle on rails, a motorized vehicle used underground or on the surface at night shall have lights or reflectors indicating its width in the direction in which it is moving.
A motorized vehicle designed to operate forwards and backwards, such as a scoop-tram, shall be equipped with lights or reflectors for both directions.
O.C. 213-93, s. 179.