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Following the installation of the Regency Road overpass bridge spans, the South Road and Regency Road intersection has reopened to traffic, ahead of schedule. To read about the works undertaken, click here.

Project scope

The Australian and South Australian governments have jointly committed $354.3 million to construct the Regency Road to Pym Street (R2P) Project as part of their overall commitment to build a non-stop North-South Corridor.

The project comprises an at-grade motorway from the existing motorway infrastructure to the north (South Road Superway); an overpass of the motorway over Regency Road; and an at-grade motorway from Regency Road to Pym Street, transitioning to the lowered motorway infrastructure (Torrens Road to River Torrens Project). The concept design includes:

  • a 1.8 kilometre section of non-stop roadway, providing three lanes in each direction (at-grade);
  • two lanes in each direction on the South Road surface road, providing access to the surrounding community and local businesses;
  • an overpass over Regency Road (three lanes in each direction). Two lanes in each direction (at-grade) on the surface roads underneath;
  • left in and left out only access at Pym Street;
  • full access to and from the non-stop motorway at Regency Road;
  • intersection upgrade at Regency Road;
  • improved cycling and pedestrian facilities;
  • a grade separated pedestrian and cycle overpass over South Road in the vicinity of Pym Street; and
  • landscaping and noise barriers.

Please see downloads below to view the design.

Locality plan for the North-South Corridor - Regency Road to Pym Street Project



  • The Department of Infrastructure, Regional Development and Cities is working with every Australian State and Territory to build much-needed infrastructure across a number of individual funding programs.

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