** Scheduled maintenance **

We’ll be updating this tool between 7 am and 11 am on 20 July 2024 (AEST). During this time, this website will be unavailable

ADR 63 Trailers Designed for Use in Road Trains - South Australia


You will need to comply with this Australian Design Rule (ADR) if you intend to manufacture a particular heavy combination vehicle. This rule applies to electrical wiring, connections and installations in certain road trains that are longer than 19 metres.

This ADR applies to:

  • road trains (B-triples and combinations, other than B-double, consisting of a motor vehicle towing at least 2 trailers)
  • semi-trailers
  • dog trailers
  • converter dolly's.

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.

Administering agency

National Heavy Vehicle Regulator

Contact details

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