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The new section of the North-South Motorway has now increased to 80km/h.

Regency Road overpass installation - Major works - January 4-11 2021

Fri., 18 December, 2020

In early January 2021, the overpass centre spans will be transported from the Polonia Reserve compound to their final location, over Regency Road, using Self Propelled Modular Transporters (SPMTs).

The bridge spans will travel along the southbound carriageway of South Road and lowered onto the newly constructed concrete piers.

To allow for these works to occur safely and efficiently, there will be a partial closure of the South Road and Regency Road intersection.

Please see below for details, maps, and works notice.

From 5am Monday, January 4, 2021 until 5am Monday, January 11, 2021, weather permitting there will be a partial closure of the South Road and Regency Road intersection, including the closure of:

  • The North-South Motorway southbound lanes, between Grand Junction Road and Regency Road;
  • South Road southbound lanes, between Regency Road and Pym Street (including the U-turn near Hudson Avenue);
  • South Road travelling from the north to travel west onto Regency Road;
  • Regency Road travelling from the west to travel south onto South Road;
  • Regency Road travelling from either the east or west across South Road, to continue along Regency Road; and
  • Regency Road travelling from the east to travel north or south onto South Road.

Alternative routes for through traffic include:

  • Southbound access via Grand Junction Road to Churchill Road, to Torrens Road and back to South Road;
  • Westbound access via Churchill Road to Torrens Road, then Days Road to Regency Road; and
  • Eastbound access via Days Road to Torrens Road, then Churchill Road back to Regency Road.

Detours will be in place for local traffic and traffic travelling through the area. Please see maps below for alternative access routes.

Traffic management and signage will be in place to alert road users to the changed traffic conditions.

Pedestrian signage will be installed along local streets and traffic controllers will be on site to assist.

Business access will be maintained at all times. Please see below for access maps to business areas. Please support local businesses. To learn more about the businesses in the project area please click here.

For B Double access visit:

Bus routes 230, 232, 232R and 300 will be re-routed during this time, please visit for more information.

Local access

Local access to the eastern side of South Road will be available via Regency Road east to the side streets. Regency Road east will be accessible via South Road or Naweena Road from the north, Churchill Road from the south and South Road from 6am to 7pm, daily or Days Road and South Road from 7pm to 6am, nightly from the west.

Local access to the western side of South Road will be available via South Road and Regency Road west, as well as Days Road. Access from the east and north will be via South Road on to Days Road.

Traffic conditions are subject to change, please follow traffic management on site.

Viewing areas

During the overpass installation, from January 4-11, dedicated public viewing areas will be positioned on the east and west sides of the intersection for stakeholders to view the major works. These areas are open to the public to visit at any time. COVID-19 check-in via a QR code or a registration form will be required, and social distancing requirements must be adhered to.

The viewing area on the eastern side is in place for local residents on that side of South Road. This viewing area will be located at the intersection of South Road and Regency Road in the south east corner. Access to this area is via Alvis and Chrysler Roads. The viewing area on the western side is accessible via Regency Road west TAFE SA carpark via Entrance 3 off Regency Road or Entrance 2 off Days Road. Please click here to view map.

Both overpass centre spans are in place, and cranes will continue to lift back spans and precast concrete slabs into position for the rest of the week. The viewing areas will remain open on the eastern side (near On The Run) and western side (next to TAFE).

If you have any questions about the works please email or call 1300 110 906.

At completion of these works, the South Road and Regency Road intersection will reopen.

When the overpass is in place, works will continue for several months at the intersection to complete the overpass. Final works prior to the opening of the overpass in mid-2021, include laying the final layer of asphalt, installation of concrete barriers to separate northbound and southbound traffic and line marking.


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