11. A special permit does not authorize travelling: (1) at night, for a vehicle or combination of vehicles where, including the load and equipment:
(a) the length exceeds, respectively, 17 m for a single unit road vehicle, 27.50 m for a combination of 2 road vehicles, including a combination of road vehicles consisting of a crane and a trailer, and 30 m for a combination of 3 road vehicles consisting of a tractor, a hauled dolly and a semi-trailer or for a combination of vehicles covered by a Class 2 permit;
(b) the rear overhang is greater than 4 m, except for tress loaded lengthwise and posts;
(c) the width exceeds 3.75 m. Notwithstanding the foregoing, that restriction does not apply if the width does not exceed 4.40 m, provided that the vehicle travels on a divided autoroute or over a maximum distance of 8 km on a road numbered from 100 to 199 to reach a destination. In the case of a Class 2 permit, the width must be measured at the widest part of the building, excluding the roof;
(2) on Sundays and legal holidays;
(3) by a vehicle whose total loaded mass or dimensions exceed the limit established for that public highway;
(4) where visibility does not extend to a distance of 1 km or the roadway is not cleared of snow or ice in accordance with the maintenance conditions applicable to that highway.
Notwithstanding the foregoing, the restrictions in subparagraphs 1 and 2 of the first paragraph do not apply to cranes and those in subparagraphs 1, 2 and 4 of the first paragraph do not apply to a Class 4 permit or to snow removal vehicles. The restrictions in subparagraphs 1 to 4 of the first paragraph do not apply to the implementation of emergency measures following a disaster, a derailment or a spill of hazardous substances or in the case of transport covered by a Class 6 or Class 7 permit, provided that a carrier has obtained prior authorization from the Société.
O.C. 1444-90, s. 11; O.C. 1605-93, s. 12.