Operating a heavy vehicle

Approved areas or routes

Vehicles operating under a mass or dimension exemption (notice or permit) in South Australia must travel within stated areas and on stated routes.

Prior to any journey, drivers must determine the approved route via the RAVnet online map system.

National drought assistance notice

The National Class 3 Drought Assistance Dimension Exemption Notice 2018 (Drought Assistance Notice) published by the National Heavy Vehicle Regulator (NHVR) specifies the criteria for the transport of baled or rolled commodities to a declared drought affected area. Eligible vehicles are able to travel on roads by participating road managers that are on the eligible vehicle's approved network.

Drought Assistance Notice - Areas or routes of operation in South Australia (725.1 KB PDF)

This list will be updated as additional areas or routes are approved or identified by DPTI.

Temporary road closures, detours and road works

For a list of roadworks, incidents and planned events in South Australia please refer to www.traffic.sa.gov.au.

Tom 'Diver' Derrick Bridge, Port River Expressway (18-20 October)

The Tom 'Diver' Derrick Bridge, Port River Expressway will be closed from 7.00 pm Thursday 18 October to 5.00 am Saturday 20 October 2018.


The following information is provided in relation to approved heavy vehicle detours for the period of the temporary closure. If further information regarding the detours is required please contact the NHVR at access.enquiries@nhvr.gov.au or DPTI at dpti.roadmanager@sa.gov.au.



Combinations up to PBS Level 3A / 36.5 m

Eg B-Doubles, Road Trains, B-triples, AB Triples

  • Operators travelling to Outer Harbour from Northern Adelaide along the Salisbury Highway (Port River Expressway) will be required to exit at the Superway and take the Grand Junction Road exit and travel along Grand Junction Road, Bower Road, Causeway Road, Semaphore Road, Port River Expressway/Victoria Rd
  • Operators travelling from depots/facilities located on the eastern side of the Tom 'Diver' Derrick Bridge to Outer Harbour will be required to travel to the Superway via the Port River Expressway and follow the approved route outlined above

Oversize and Overmass vehicles and Special Purpose vehicles up to 4.6 m high

  • Operators travelling to and from Outer Harbour from Northern Adelaide may use alternative routes that are published on RAVnet that are appropriate for the vehicle type being operated, or
  • Use Port Wakefield Road, Cavan Road, Grand Junction Road, Addison Road, Cheltenham Road, Port Road, Old Port Road, Bower Road, Causeway Road, Semaphore Road, Port River Expressway/Victoria Rd

Oversize and Overmass vehicles and Special Purpose vehicles that exceed 4.6 m high

  • Operators who have current permits that include the Tom 'Diver' Derrick Bridge will be contacted to be advised of alternative routes for the period of the temporary closure. If you have a permit for load that exceeds 4.6 m high and haven’t been contacted on or by Thursday 18 October please contact the NHVR or DPTI on the details provided above.
  • Operators who may be required to move loads during the temporary closure who are yet to obtain a permit or normally operate under a access notice should contact the NHVR to discuss alternatives for this period.

We appreciate your cooperation and patience while these important works are undertaken.

Copper Coast Highway, Kadina (Oct-Dec)

The Copper Coast Highway near Taylor Street, Kadina is reduced to one lane from October to mid-December 2018 for west bound traffic due to road works. Detours are in place for all east bound traffic throughout the course of the works.

Stuart Highway, Woomera Prohibited Area (1 to 21 October)

The Department of Defence is scheduled to conduct testing in the Woomera Prohibited Area (WPA) between 1 October and 21 October 2018. During this period access to travel on the Stuart Highway may be suspended, for up to 12 hours, between the Ingomar rest stop and the WPA boundary north of Glendambo. It is anticipated that there will be nine suspensions during this period.

Enquiries can be directed to the Woomera Prohibited Area Range Range Operations Office.

Regional Bridges

The $40 million Australian government and state government-funded Regional Bridges Upgrade Program will improve road safety and increase freight efficiency by upgrading a number of bridges across South Australia’s regional road network at various locations in the Mid-North, Riverland, Clare Valley, Adelaide Hills and Barossa Valley.

Learn more about the Regional Bridges Project.

Farrell Flat bridge and culvert (Clare)

Works are scheduled to commence from Monday, 17 September, and are expected to be completed by late December, weather permitting, and will include replacing the existing bridge and culvert with wider structures and installation of new guard rails and bridge barriers.

Works will be undertaken from 7.00 am to 5.00 pm, starting on Monday morning and finishing on Saturday afternoon each week until the completion of the project.

Traffic diversions and speed restrictions will be in place with detours available for all traffic via Slaughterhouse Road and Springfarm Road throughout the course of the works.

Program schedule

RegionBridge Scheduled commencement
Adelaide Hills Inverbrackie Bridge and intersection October 2018
Clare Valley Skillies Bridge November 2018
Sturt Highway and Riverland Bookmark Creek and Salt Creek bridges September 2018
  Kingston Bridge November 2018
  River Murray Flood Plains bridges 1-2 November 2018
  River Murray Flood Plains bridges 3-4 November 2018
Barossa Valley Stott Highway Bridge Early November 2018
  Lyndoch Bridge November 2018
  Altona Bridge early 2019
Mid North Rocky River Bridge (near Crystal Brook) January 2019

Approved areas

Approved area maps that are referenced in mass or dimension exemptions are:.

Preferred routes

When operating an oversize vehicle, the maps below depict the preferred routes for travel. If your operating requirements cannot be met by a gazette notice, you will need to apply for a permit.

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Page last updated 15 October 2018

Provided by:
Department of Planning, Transport and Infrastructure
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