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Regional Road Projects

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    Princes Highway

    In the 2019-20 State Budget, the South Australian Government announced $250 million, including a $200 million commitment from the Australian Government, towards an upgrade of the Princes Highway.

    This upgrade will include road widening, safety upgrades, new overtaking lanes, duplication along key sections and intersection upgrades.

    Horrocks Highway

    In addition, the 2019-20 State Budget announced a $55 million commitment towards multiple projects including a bridge upgrade, Gladstone rail corridor improvements, pavement improvement, shoulder sealing and additional overtaking lanes for the Horrocks Highway corridor.  This includes a $44 million commitment from the Australian Government.

    Roads of Strategic Importance

    The Roads of Strategic Importance is an initiative by the Australian Government to connect regional businesses to local and international markets, and better connect regional communities.  More information on the Roads of Strategic Importance is available here.

    In South Australia, a commitment of $275 million has been announced by the Australian and South Australian Governments.  The South Australian Government's commitment of $55 million was confirmed in the 2019-20 State Budget for funding towards a number of projects on the following corridors:

    • $87.5 million to upgrade the Sturt Highway from Renmark to Gawler
    • $62.5 million to upgrade the Barrier Highway from Cockburn to Burra
    • $125 million to upgrade South Australia’s section of the Eyre Highway from Port Augusta to the Western Australia border, including $32 million to upgrade Eyre Peninsula roads following the closure of the rail line.

    Sturt Highway: works for this program could include:

    • shoulder sealing
    • road safety improvements (including at Berri bypass junctions, addressing roadside hazards and investigating the potential for wide centre median treatments)
    • overtaking lanes
    • Truro town bypass
    • potential road realignments through Accommodation Hill (east of Truro)
    • road rehabilitation and resurfacing.

    Barrier Highway: works for this program could include:

    • shoulder sealing
    • bridge widening and barrier upgrades
    • road safety improvements
    • rest areas for improved fatigue management
    • pavement rehabilitation and resurfacing.

    Eyre Highway and Eyre Peninsula: works for this program could include:

    • overtaking lanes
    • road widening and shoulder sealing
    • road safety improvements
    • rail level crossing safety improvements
    • rest areas for improved fatigue management
    • pavement rehabilitation.

    A tender for the planning and design for overtaking lanes on the Eyre and Lincoln Highways has been released, with this work to deliver:

    • two overtaking lanes between Port Augusta and the intersection of the Eyre Highway and Lincoln Highway, funded by the Roads of Strategic Importance initiative
    • two overtaking lanes between Whyalla and Port Augusta on the Lincoln Highway.  This work is being funded by the Safety Improvement Program package of works, a part of the Australian Government’s Rural Roads Package.

    Construction is anticipated to begin in 2021-22.

    If you have any questions about the Roads of Strategic Importance works program within South Australia, please: