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Oversize and overmass vehicles

Transitioned notices covering the operation of heavy vehicle access have been replaced and National and State notices made under the Heavy Vehicle National Law (HVNL) have been updated. A list of expiring notices and their replacement is available on the NHVR's Notice and permit-based schemes website.

Pilot and escort requirements

Escorting guidelines for oversize and overmass vehicles on roads (926.1 KB PDF) specifies the requirements for pilot vehicles and escorts. The guidelines includes the changes that were made in July 2018 to the Adelaide Metropolitan and SA Country Area escort charts for minimum requirements for oversize loads.

Areas of the state where additional escorts are required

Additional police escorts may be required in areas to ensure the safe movement of oversize loads. Outlined below are known areas, but not limited to the following:

  • Lonsdale to north of the Adelaide Metropolitan Area
  • Marion Road / Sir Donald Bradman Drive
  • East of Truro through to Accommodation Hill
  • Corner of Ryan Avenue and Gorge Road, Athelstone to Chain of Ponds
  • Victor Harbor Road, Mount Compass to intersection Victor Harbor Road / Welch Road, Hindmarsh Valley
  • Port River Expressway / Magazine Road (for oversize loads using this area to undertake a u-turn)

Oversize and/or overmass notices and permits

Operators and drivers of oversize and/or overmass heavy vehicles must comply with the specified notice(s) available from the National Heavy Vehicle Regulator's (NHVR) website.

If your operating requirements cannot be met through a Notice, you will need to apply to the National Heavy Vehicle Regulator (NHVR) for an oversize and overmass heavy vehicle permit.


Expiring Notice Updated notice

Operation of 25 metre long prime mover and low loader combinations with a gross combination mass up to 59.5 tonnes


Operation of 49.5 tonne prime mover and low loader combination vehicles in South Australia


Approval and exemption – Operation of 23 metre long prime mover and low loader combinations

SA Schedule - Multi-State Class 1 Load Carrying Vehicle Mass Exemption Notice 2016

SA Schedule - Multi-State Class 1 Load Carrying Vehicle Dimension

Operation of Opal Mining VehicleSouth Australia Class 1 Opal Mining Vehicle Dimension Exemption Notice 2019 (No.1)
Approval for emergency transport of long stobie poles which when carried as a load exceed a length of 19mSouth Australia Class 1 Stobie Pole Transportation Dimension Exemption Notice 2019 (No.1)
Exemption for Oyster Boats and trailers to be fitted with brakes and to exceed a width of 2.5 metresSouth Australia Class 1 Oyster Boat Exemption Notice 2019 (No.1)

Export container excess mass - permit based scheme

Operators are able to apply to the National Heavy Vehicle Regulator for a permit to transport export goods in shipping containers on articulated vehicles where the gross combination mass exceeds 42.5 tonnes. The permit scheme to be selected is the SA - Excess Mass Export.

Dimension Limits

  • The maximum allowable mass is 49.5 tonne.
  • The maximum container length is 12.2 metres.

The route is restricted to between the point of loading the container onto the articulated vehicle in South Australia and the container terminal at Outer Harbour in South Australia.

Conditions applied by DPTI
Documentary evidence that the goods are destined for export must be carried in the vehicle at all times and be produced when requested by an Authorised Officer appointed under the Heavy Vehicle National Law, or a Police Officer

Related information


Contact National Heavy Vehicle Regulator



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


PO Box 492
Fortitude Valley QLD 4006

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Page last updated 21 August 2019

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Department of Planning, Transport and Infrastructure
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