Please be advised Main Roads Heavy Vehicle Services has granted temporary special assistance approval to enable Restricted Access Vehicles (RAVs) to transport more petrol, diesel, fertiliser, lime, lime sand, milk and bulk perishable goods to WA Regions. 

The following temporary special access arrangements will be available until further notice. 

Application:

1. The temporary special access arrangements apply to all Tandem Drive Category 2-10 and Tri Drive Category 1-5 RAVs operating under the Class 2 & 3 Orders, as specified under the Prime Mover Combinations Operating Conditions and the Truck Combinations Operating Conditions.
    
2. The temporary special access arrangements apply when carrying petrol, diesel, fertiliser, lime, lime sand, milk and bulk perishable goods. 

Approved Networks:

RAVs are approved to operate on their respective Approved Networks, as specified under the Prime Mover Combinations Operating Conditions and the Truck Combinations Operating Conditions.

Mass Concession:

RAVs are approved to operate at Accredited Mass Management Scheme (AMMS) Level 3 Mass Limits, i.e. up to 17.5t on tandem axle groups and 23.5t on tri axle groups.

Conditions:

The temporary special access arrangements are subject to the following conditions:

1. All existing conditions specified for a particular road on the Approved Networks apply. 
    
2. All vehicles carrying Dangerous Goods must be operated in accordance with the ullage requirements of the Australian Code for the Transport of Dangerous Goods by Road and Rail.
    
3. All vehicles and components must be suitably rated for the extra mass.

Operators are reminded of their responsibilities to ensure compliance with mass and dimension requirements, including ensuring adequate controls are in place to mitigate rollover risks. 

For further information, please contact the Heavy Vehicle Services Helpdesk on 138 486 or email hvs@mainroads.wa.gov.au .

Heavy Vehicle Services

9 April 2026