Operating a heavy vehicle

Multi-combination vehicles

The National Heavy Vehicle Regulator (NHVR) was established to administer the Heavy Vehicle National Law (HVNL) which replaced the state and territory heavy vehicle legislation with nationally consistent laws to improve transport operations and nationwide connectivity.

Information relating to the operation of the following multi-combination vehicles in South Australia can be located on the NHVR website.


Rigid truck and dog trailers

Road trains

Vehicle carrier

Medical certificates

If you are operating a road train or B-triple between Port Augusta West on National Highway 1 and Northern Adelaide, you must:

The Fitness to Drive Report - Health assessment for commercial vehicle driver - available on the NHVR's site is a valid medical certificate. To assist with the medical assessment the driver will also need to provide a medical practitioner information by completing a driver health questionnaire.

Related information

On this site

Contact National Heavy Vehicle Regulator



Phone - 1300 MYNHVR (1300 696 487)
Fax - (07) 3309 8777


PO Box 492
Fortitude Valley QLD 4006

Page last updated 19 November 2018

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Department of Planning, Transport and Infrastructure
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