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Warringah Freeway Upgrade

Upgrading one of Australia’s most congested roads

  • 9

    Complex Bridges

  • 12

    Retaining Walls

  • 3

    Cut & Cover Tunnels

  • Sydney, Australia

    Sydney, Australia

Freeing up the freeway

The Warringah Freeway Upgrade is improving one of Sydney’s busiest roads, making it safer and easier to use, and more efficient and reliable for the benefit of all including public transport users. The upgrade will include new civil construction and bridges, retaining structures, and cut and cover tunnels.

We carried out proof engineering for complex structures and certification of designs. These included 9 bridges with steel and concrete composite superstructures and deck structures, 12 retaining walls, and 3 cut and cover tunnels forming connections to the Western Harbour Tunnel and Beaches Link. We then carried out associated geotechnical and structural independent calculations, design checks, and certifications.

When complete, the upgraded freeway will connect to the Beaches Link and Western Harbour Tunnel, making travel faster, easier, and safer around Sydney.

At a Glance

Offices
Client
  • CPB Contractors
  • Downer
Meet Our Team

Peter Boesch, Group Leader, Bridges, Ports and Maritime, Practice Leader, Bridges

Bridges connect people and communities—being part of building such connections inspires me and drives me to improve results wherever I can.
Peter Boesch Group Leader, Bridges, Ports and Maritime, Practice Leader, Bridges Read More

Sanka Ekanayake, Principal Geotechnical Engineer/Team Leader – Geotech Design

Engineering is not only about being technically competent, but also about understanding human nature and committing to common goals.
Sanka Ekanayake Principal Geotechnical Engineer/Team Leader – Geotech Design Read More

Zac Philippa, Digital Service Lead - Community Development, Australia / Civil Engineer

Regardless of how complex an engineering problem looks, I’m always looking for the simplest design solution possible.
Zac Philippa Digital Service Lead - Community Development, Australia / Civil Engineer Read More

James Nasr, Team Lead, Bridge Design

Achieving the best outcome for clients starts with clearly understanding their needs and putting yourself in their shoes.

Angus Murray, Senior Bridge Engineer

I thrive in navigating each project’s technical depths. These unique challenges enhance my skills and knowledge

Peter Boesch

Group Leader, Bridges, Ports and Maritime, Practice Leader, Bridges

Sanka Ekanayake

Principal Geotechnical Engineer/Team Leader – Geotech Design

Zac Philippa

Digital Service Lead - Community Development, Australia / Civil Engineer

James Nasr

Team Lead, Bridge Design

Angus Murray

Senior Bridge Engineer

We’re better together

  • Become a client

    Partner with us today to change how tomorrow looks. You’re exactly what’s needed to help us make it happen in your community.

  • Design your career

    Work with passionate people who are experts in their field. Our teams love what they do and are driven by how their work makes an impact on the communities they serve.

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