Mass and dimension

Classes of heavy vehicles

The HVNL provides for classes of heavy vehicle as a means of managing access.

Dimension requirements

Dimension requirements for heavy vehicles are set out under the MDL Regulation.

General Access Vehicle

General Access Vehicles do not require a notice or permit to operate on the road network.

Mass limits

Heavy vehicle mass limits are based on the limits set out in the HVNL and MDL Regulation.

Vehicle charts and fact sheets

Common heavy vehicle combinations used in Australia.