Kwinana Freeway Widening

Leach Highway to Roe Highway

The project to widen Kwinana Freeway to three lanes in each direction between Leach and Roe Highways has been completed. The majority of the final works were undertaken during April/May 2013 and remaining works involving landscaping, including planting and seeding, was completed September 2013.

The $58 million project was funded by the State and Commonwealth Governments.

The project involved:

  • widening and upgrading around 4.5 km of Kwinana Freeway between Leach and Roe Highways;
  • construction of a new intersection at South Street and the newly constructed Fiona Wood Road;
  • construction of noise walls for traffic noise mitigation and screen walls to maintain residential amenity;
  • resurfacing the freeway and ramps within the works; and
  • associated works such as drainage, lighting, service relocations, signage and pavement marking; and revegetation and landscaping works.



  • Improved freeway capacity over this section;
  • Improved travel time;
  • Improved safety; and
  • Improved transport efficiency to the port of Fremantle.




Modified: 23 Feb 2018