You will need this permit if you intend to drive a restricted access vehicle on a road in Western Australia. A restricted access vehicle exceeds one or more of the following limits:
- 2.5 metres in width
- 4.3 metres in height
- 12.5 metres in length for a rigid vehicle
- 19 metres in length for a combination
- 42.5 tonne gross mass
- 9 tonne on a single axle
- 6 tonne on a single steer axle
- 10 tonne on a twin steer axle group (non-load sharing suspension)
- 11 tonne on a twin steer axle group (load sharing suspension)
- 16.5 tonne on a tandem axle group
- 20 tonne on a tri or quad axle group.
Permits are needed to operate certain types of restricted access vehicles. These permits grant access to such vehicles to certain parts of the road Network under specific operating conditions. Permits are issued for different classes of vehicle.
