Southern Expressway Duplication


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Night works – Sherriffs Road, Reynella

Works will be undertaken at night on Sherriffs Road, Reynella on Wednesday 4 March 2015, between 7pm and 2am, for the Southern Expressway Duplication.

Works include the removal of two redundant gantries located to the east and west of the Southern Expressway on Sherriffs Road. Works to remove the gantry adjacent Morphett Vale Primary School will be undertaken first followed by the removal of the gantry opposite the Lonsdale hotel.

Traffic will be maintained through the works, with speed and lane restrictions in place.

Signage will be in place to alert motorists of changes to traffic conditions.


Southern Expressway open to two-way traffic

The Southern Expressway opened to two-way traffic on Sunday 3 August 2014.

Please click here to download a copy of our latest brochure, providing information on how to use the duplicated expressway. Please observe and obey on-site signage and take care whilst driving along the expressway and through the interchanges.


Works after opening to two-way traffic

Some construction activities will continue including interchange ramp road works, activation of the new two-way electronic signage system, landscaping, fencing, construction of the new western recreational pathway and noise barrier installation.

For further details on these works please visit the traffic restrictions page.

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

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

The duplicated expressway supports economic activity in Adelaide’s southern commercial and industrial areas like Reynella, Lonsdale and Noarlunga Centre and helps 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.