V-1.2, r. 5 - Regulation respecting off-highway vehicles

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24. Regulatory signs must be erected at the places where the requirement applies. Mandatory stop signs (P-10), however, must be placed as close as possible to the beginning of an intersection or road or railway crossing, at a distance of not more than 2 m.
Warning signs, with the exception of D-290-D and D-290-G signs, must be erected between 30 and 100 m ahead of the obstruction or hazard.
O.C. 1222-2004, s. 24.