Queensland Consolidated Regulations Queensland Consolidated Regulations(1) A person must not drive a vehicle towing a semitrailer or dog trailer on a road if the semitrailer or dog trailer does not comply with this section.
Maximum penalty--30 penalty units.
(2) On a semitrailer or dog trailer, the distance from the front articulation point to--
(a) the rear overhang line must not be more than 9.5m; and
(b) the rear of the trailer must not be more than 12.3m.
(3) The part of a semitrailer or anything attached to a semitrailer in front of the trailer's front articulation point, other than another vehicle, must not protrude beyond the prescribed limit.
(4) The prescribed limit is an imaginary line created by drawing a semicircle of 1.9m radius from the centre of, and forward of, the front articulation point.
(5) A semitrailer with more than 1 front articulation point must comply with subsections (2) and (3) when measured at one of the points.
(6) A trailer built to carry cattle, horses, pigs or sheep (animals) on 2 or more partly or completely overlapping decks must not have more than 12.5m of its length available to carry animals.
(7) In a B-double built to carry animals, the 2 semitrailers must not have more than 18.8m of their combined length available to carry animals.
(8) For subsections (6) and (7), the length available for the carriage of animals on a trailer is measured from the inside of the front wall or door of the trailer to the inside of the rear wall or door of the trailer, with any intervening partitions disregarded.