1. In this Regulation,
“dolly” means a trailer converter dolly used to convert a semi-trailer into a trailer; (diabolo)
“road train” means a combination of road vehicles composed of a tractor, a semi-trailer, and one of the following vehicles: a dolly, a semi-trailer or a trailer; (train routier)
“semi-trailer” means a road vehicle the front of which rests on the fifth wheel of the vehicle pulling it; (semi-remorque)
“tandem axle” means a group of 2 axles connected to the vehicle by a suspension system consisting of a common suspension or 2 interconnected identical suspensions and designed to equalize at all times, within 1,000 kg, the mass as measured under the wheels of each axle; (essieu tandem)
“trailer” means a road vehicle, including a semi-trailer the front of which rests on a dolly, attached to the vehicle pulling it by a coupling device other than a fifth wheel; (remorque)
“triple axle” means a group of 3 equally spaced axles connected to a vehicle by a suspension system consisting of 3 interconnected identical suspensions and designed to equalize at all times, within 1,000 kg, the mass as measured under the wheels of each axle. (essieu triple)
O.C. 1874-86, s. 1; O.C. 502-2005, s. 1.