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Cross Road and Fullarton Road Intersection Upgrade

About the project

The Australian and South Australian Governments have jointly (50:50) committed $61 million to upgrade the Cross Road and Fullarton Road intersection. The project is expected to support approximately 65 jobs per year, averaged over the life of the construction period.

The Australian Government’s commitment is part of the Commonwealth Urban Congestion Fund. The State Government’s commitment was announced as part of the 2019-2020 State Budget, to bust congestion by upgrading a number of Metropolitan intersections. The State Government’s contribution addresses recommendations of the Keeping Metro Traffic Moving Report. The report identifies this intersection as a priority location for treatments that address road congestion and keep traffic flowing.

Construction of the upgrade is now complete with all lanes now fully open for use.

Work to reconstruct the Urrbrae Gatehouse at its new location within the Waite Arboretum continues, with construction expected to be complete in mid 2024.

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Concept design

Please note this image is an artist’s impression for illustrative purposes only, and not a final design.

For further detail download a copy of the current concept plan.

The design treatments include:
  • widening of Cross Road, with the installation of dedicated right turn lane into Fullarton Road on both approaches, three through lanes on both approaches, a dedicated left turn slip lane onto Fullarton Road (northbound) and dual left turn lanes onto Fullarton Road (southbound);
  • widening of Fullarton Road, with the installation of dedicated right turn lanes into Cross Road on both approaches, three through lanes on both approaches, a dedicated left turn slip lane onto Cross Road (westbound) and a shared though and left turn lane onto Cross Road (eastbound);
  • indenting of Urrbrae Agricultural High School Bus stops on the south side of Cross Road (west) and bus stop 12 on the west side of Fullarton Road (north), and relocation of bus stops 165 located on the north and south sides of Cross Road;
  • upgraded pedestrian crossings within the intersection, including ramps, dedicated on-road bicycle lanes on all approach exit lanes to/from the intersection;
  • a seagull median treatment on Fullarton Road for access to Urrbrae Agricultural High School;
  • pavement construction and surfacing;
  • new and upgraded traffic signals;
  • LED road lighting for the extent of the works; and
  • new line marking and drainage.

For further information on the project please visit the Frequently Asked Questions (FAQ’s) page.

For further Information

Urrbrae Gatehouse Update

Due to design of the new Cross Road and Fullarton Road intersection, the heritage listed Urrbrae Gatehouse could not be retained in its current location. After considering feedback from the broader community and The University of Adelaide, the Department for Infrastructure and Transport plan to relocate the Gatehouse to a new site on Claremont Avenue, Urrbrae. Read the latest update for more information