Northern Territory Consolidated Regulations Northern Territory Consolidated RegulationsThis Part does not apply to a vehicle built before 1946 that is used mainly for exhibition purposes.
out the braking system requirements for vehicles to ensure that they can be reliably slowed or stopped even if a part of a braking system fails, and to ensure that a vehicle can be prevented from rolling away when parked.The Part also includes special requirements for braking systems on B-doubles and road trains to ensure that the braking systems on the component vehicles are compatible. The special requirements do not apply to a road train that is 19 metres long or less.