Southern Expressway Duplication


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Expressway open on long weekends:  The Southern Expressway will be open to traffic over the upcoming Easter and ANZAC Day long weekends to provide motorists with direct access to the Fleurieu Peninsula and Kangaroo Island.

Inter-peak closures:  The Southern Expressway will be closed between 9.30 am and 4.30 pm weekdays until 27 April 2014 (during the school holidays).

Expressway Night Closures:  The Southern Expressway will be closed from 7.00 pm to 6.00 am until May 2014 for road resurfacing works.

Bridge speed restrictionsSpeed restrictions and pedestrian detours will be in place a various bridge and pedestrian path locations across the expressway until late May 2014 to allow for bridge painting works.

Main South Road / Panalatinga Road intersection night worksFrom 9.00 pm Wednesday, 23 April until 6.00 am Thursday, 24 April 2014 southbound traffic and cyclists on Main South Road adjacent the Panalatinga Road intersection will be detoured via Panalatinga Road and Pimpala Road due to road resurfacing works. Northbound traffic will be unaffected. Pedestrian access will be maintained throughout the works.

Speed and Lane Restrictions:  From Tuesday 25 February until April 2014, there will be a rolling 40 km/h speed restriction in place along short sections of the expressway due to road resurfacing works. Motorists are advised to exercise caution and avoid changing lanes through this section of expressway due to varying road levels.


View all latest news from the Southern Expressway project.

The $407.5 million duplication of the Southern Expressway is a key part of the development of Adelaide's north-south corridor and, when complete, will deliver an 18.5 kilometre multi-lane, two-way expressway between Bedford Park and Old Noarlunga by mid-2014.

This will provide people living in Adelaide’s south with improved access to employment, education, shopping and community facilities and will put Adelaide’s southern beaches and the McLaren Vale wine region within easier reach.

This project will also support economic activity in Adelaide’s southern commercial and industrial areas like Reynella, Lonsdale and Noarlunga Centre as well as help the state achieve identified targets in the South Australia Strategic Plan.

Please follow the links on the menu on the left-hand side or the quick links to the right to find out more about the project.