Queensland Consolidated Regulations Queensland Consolidated Regulations(1) A person must not drive a vehicle on a road if the vehicle has a ground clearance of less than--
(a) at a point within 1m of an axle--100mm; and
(b) at the midpoint between adjacent axles--one-thirtieth of the distance between the centre of each axle; and
(c) at any other point--the distance that allows the vehicle to pass over a peak in the road if the gradient on either side of the peak is 1:15.
Maximum penalty--30 penalty units.
(2) In this section--
ground clearance of a vehicle means the minimum distance between the ground and the vehicle's underside, other than its tyres, wheels, wheel hubs, brake backing plates, flexible mudguards and mudflaps.