​​​​​​​​​​​​​​​​​​Great Eastern Highway Intersection Upgrades

Old Northam Road in Sawyers Valley and Wooroloo

  • ​Upgrading two intersections along Great Eastern Highway 
  • Works to commence mid-2020 and be completed mid-2021
  • Improve safety and visibility
Image: Great Eastern Highway with trees along the roadside.


In the Perth Hills, two intersections connecting Great Eastern Highway and Old Northam Road - one in Sawyers Valley and one in Wooroloo - will be upgraded in two stages.

  • Stage One (Sawyers Valley) includes major sign and pavement marking upgrades. 
  • Stage Two (Wooroloo) includes a 2 km realignment of the curves on Great Eastern Highway and reconstruction of the intersection of Great Eastern Highway and Old Northam Road west of its current location.

Project Update​

​Project development for both stages is currently being undertaken


  • ​Stage One works: Commence mid-2020 with completion expected late-2020 
  • Stage Two works: Commence late-2020 with completion expected mid-2021 ​


  • ​Improve safety and visibility


​$11.5 million (80 per cent) Australian and $2.875 million (20 per cent) State Government
Last Updated: 28 February 2020