Quad-quad B-doubles and quad-tri B-doubles when longer than 30 metres are now eligible vehicles under the Victoria schedule of the National Class 2 Performance Based Standards (High Productivity) Authorisation Notice 2022 (No.2).
These vehicles, following an announcement by the National Heavy Vehicle Regulator, are approved to operate on the PBS Level 3A Mass Network that covers Victoria and New South Wales
Approval is based on the provision the vehicle combinations exceed the overall length of 30 metres and meet the reference vehicle axle spacings for 30m quad-quad or quad-tri B-doubles.
The gazette notice expires 14 November, 2026.
It came into effect on 18 July.