Australian Design Rule ADR 38 - Commercial Vehicle Brake Systems - Western Australia


You may need to comply with this standard if you intend to manufacture, supply or operate a trailer used in a B-double, or a road train.

The performance of the service, secondary and parking brake systems of your trailers must comply with this standard. A semi-trailer is also required to have an anti-lock breaking system which complies with this standard. This standard specifies requirements for braking under both normal and emergency conditions.

Please consult the Contact Officer for more information and to ascertain the level of compliance (if any) that may be required.

Service type

Code of Practice

A code of practice is a set of rules which details how people in a certain industry should behave. A code of practice can be defined as a result of legislation or by industry regulators and bodies.

Act(s) name

Road Traffic (Vehicles) Act 2012 Western Australia

Regulation(s) name

Road Traffic (Vehicles) Regulations 2014 Western Australia

Administering agency

Department of Transport

Transport Services

Driver and Vehicle Services

Contact details

Contact Email, Phone and Address Details for this service in simple two column table format, header then data.

Please use these contact details for help or more information:

Vehicle Safety and Standards

Driver and Vehicle Services

Transport Services

Department of Transport

Western Australia
Mailing address: PO BOX R1290
Perth, Western Australia 6844
Phone: 13 11 56