In February 2017, a new VDAM Rule governing heavy vehicle size, weight and operation limit came into effect.
In August 2017, changes to the Land Transport Act were agreed by Parliament.
While most of the changes are small, they may have an impact on how you operate, inspect, manufacture or permit heavy vehicles.
On this page you’ll find a link to revised rules, as well as links to other key pieces of information. Supporting documents such as factsheets are now updated throughout our website.
Read the revised Rule - in force from 1 February 2017.
The revised rule includes the changes listed below:
Questions and answers [PDF, 186 KB] regarding the 2016 Rule are also available.
In addition, there is a reduction in weighing tolerances – now consolidated in the Land Transport (Offences and Penalties) Amendment Regulations:
Note: These regulations are also in force from 1 February 2017.
Below are four summary guides that detail key changes for different parts of the heavy vehicle industry:
You can find out more about specialist vehicles in the new factsheet 13h.
You can also find information on specialist vehicle permits including permit eligibility criteria and how to apply for a permit.
Read more on how the new gross mass limits are being phased in, including a link to a new 45/46 tonne route map.