Road Efficiency

Providing Reliable and Efficient Movement of People and Goods


Improve the efficiency, capacity, and utilisation of the existing road network as part of a total transport network.

About the Program

The program includes projects delivering geometric improvements, road widening, bridge strengthening and retrofitting to incorporate intelligent transport capabilities.


Target 93%

Roads that meet configuration standards for width and curve exceeded target


Target 90%

Contracts completed on time is below target and lower than last year's results


Target 90%

Contracts completed on budget is within target showing continued strong performance

Program expenditure $ million 2021589 2022900 20231,138

Looking Ahead

Works planned for next financial year include:

  • Great Northern Highway – Halls Creek to Kununurra Bridges
  • Mandurah Estuary Bridge Duplication
  • New Fitzroy River Bridge
  • Smart Freeways Mitchell Southbound (Hester Avenue to Warwick Road)
  • Smart Freeways Mitchell Southbound (Reid Highway to Vincent Street)
  • Tonkin Highway (Collier to Stanton Roads) Gap Project and Associated Works

Some of these are already underway; visit the Projects and Initiatives section of our website to find out more.

Key Projects

Project Total Project Cost ($ Million) 2022-23 Cost ($ Million) Completion Date Description
Metropolitan Region
Stephenson Avenue Extension 165.0 53.2 Dec 2024 Phase Two – Extend Stephenson Avenue from Howe Street to Mitchell Freeway and Cedric Street Interchange.
Leach Highway and Welshpool Road Interchange 160.0 56.9 March 2023 Construct a new grade separated intersection, a roundabout and a new bridge over Armadale line.
Mitchell Freeway Hodges to Hepburn 141.3 68.0 Mid 2024 Construct an additional Lane southbound from Hodges Drive to Hepburn Avenue.
Tonkin Gap 330.0 164.0 Mid 2024 Upgrade Tonkin Highway with additional lanes, new interchanges, bridges and a shared path between Collier Road and Dunreath Drive.
Pilbara Region
Buttweld Road Realignment 33.8 20.8 Jan 2023 Realignment and road over rail bridge construction.
Great Northern Highway Realignment and Road over Rail Construction 76.0 55.4 Early 2024 Construction of the Great Northern Highway Port Hedland International Airport Realignment.
South West Region
Bussell Highway Duplication 115.0 30.6 Late 2024 Construction of a dual carriageway between Capel and Busselton.
Bunbury Outer Ring Road 1,352.0 320.8 Late 2024 Construction of high standard rural highway.
Wheatbelt Region
Bindoon Bypass 275.0 16.2 Late 2026 Construct a new 64-kilometre link between Chittering Roadhouse and New Norcia.
Toodyay Road Upgrade 35.1 35.9 Mid 2027 Construction of Toodyay Road Upgrade – Dryandra to Toodyay
Coates Gully 250.0 30.0 May 2023 Stage 1, Great Eastern Highway upgrade, overlay, widening, reconstruction and realignment.
Kimberley Region
Duncan and Gordon Downs Road Upgrade 21.9 10.5 Late 2024 Upgrade the Duncan and Gordon Downs Road.
Great Northern Highway – Newman to Katherine Corridor – Broome to Kununurra Upgrade Stage 1 35.8 8.77 Late 2024 Seal widening, bridge improvements and rehabilitation
Mid-West Gascoyne Region
Indian Ocean Drive – Jurien to Brand Highway 55.0 7.9 Late 2024 Realign, improve, and widen.