Operators accredited under the mass management module of the National Heavy Vehicle Accreditation Scheme (NHVAS) can operate at Concessional Mass Limits (CML).
Eligible operators who are accredited under the mass module of the NHVAS, fully enrolled in the Intelligent Access Program and have Road-Friendly Suspension fitted to all axle groups (except the steer axle) of the vehicle or combination can operate certain vehicles on certain roads at Higher Mass Limits (HML).
General Mass Limit (GML)
The GML state the mass limits that apply for all heavy vehicles unless they are operating under an accreditation or an exemption under the Heavy Vehicle National Law.
For further information about GML please visit the National Heavy Vehicle Regulator website.
Concessional Mass Limit (CML)
Only those transport operators accredited under the Mass Management module of the National Heavy Vehicle Accreditation Scheme (NHVAS) are eligible to operate under CML.
On 10 February 2014 NHVAS transitioned to the National Heavy Vehicle Regulator. Further information about CML can be accessed on the National Heavy Vehicle Regulator website.
Higher Mass Limits (HML)
HML provides a significant increase in the productivity of road freight transport vehicles. See more information on HML.