Alliance Surveying provided Survey Services for the project, including site setout for earthworks, structures and asphalt works and also including survey for control establishment and service location.

The Kwinana Freeway widening project involved the following:

  • Two new southbound lanes including dedicated on-ramp lane at Roe Highway
  • Widening of the bridge over freight railway line
  • Realignment of ramps
  • Noise walls

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