Western Australian Current Regulations Western Australian Current Regulations (1) An animal drawn
vehicle together with its load must not exceed 12 m in length, 2.5 m
in width or 4 m in height.
(2) No part of an
animal drawn vehicle or its load must project —
(a) past
the head of a horse or other animal drawing the vehicle; or
(b) more
than 1.2 m backward of the body of a two‑wheeled vehicle, or more
than 1.2 m backward of the body, or the rear wheels, of a
four‑wheeled vehicle; or
(c) more
than 300 mm from the outer extremity of the wheels or body of the
vehicle.
(3) Despite
subregulations (1) and (2), a load not exceeding 8 m in length,
may project more than 1.2 m to the rear of an animal drawn vehicle, if a
red flag of not less than 300 mm squared, or a red metal disc, of not
less than 225 mm in diameter, is carried at the extreme rear end of the
load and the flag or disc is kept clearly visible to persons on the road, in
the near vicinity of the vehicle.