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

Full text
45.2. Service roads used by motorized vehicles in an open-pit mine shall:
(1)  be edged by a pile of fill or a ridge where vehicles could fall more than 3 m (9.8 ft). The pile of fill or the ridge shall have a height equal to at least the radius of the largest wheel of any vehicle travelling on the road;
(2)  be off-limits to any vehicle whose width exceeds that of the driving surface;
(3)  be maintained by clearing or scarifying or by spreading an abrasive substance, so as to keep a non-skid surface.
O.C. 1326-95, s. 14.