We’re adding extra lanes and building new intersections along the Princes Highway between Winchelsea and Colac to make your journey quicker and safer.


As part of the upgrade between Warncoort and Colac East, we will:

  • add 8.5km of new lanes
  • upgrade 6 intersections at Bourkes and Trasks Roads, Pyles Road, Warrowie and Collins Roads, Colac-Ballarat and Drapers Roads, Flaxmill Road and Gallop and Baillie Streets
  • add new designated left and right turn lanes off the highway
  • install flexible safety barriers on the edge of the road and in the median
  • upgrade drainage.

We expect to complete the upgrade in 2019.

Princes Highway West

View a larger version of the detour map (PDF, 156.0 KB)


The contractor for this project is Decmil.

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