Our portfolio
The Transport and Major Infrastructure Portfolio works to create a better future for Western Australians through connected, resilient, safe and sustainable transport solutions.
Our Portfolio is committed to supporting the State’s sustainability and net zero ambitions by driving initiatives that reduce emissions, improve resource efficiency, and promote innovation across the transport sector.
About CircleZero
CircleZero is a one-stop-shop for transport sustainability including case studies, suppliers, material guides, equipment, research and training webinars. Watch the video to learn more about the features.

Building for Tomorrow
Our Portfolio is committed to delivering the infrastructure that supports thriving communities, a strong economy, and a sustainable future for Western Australia. Working alongside partner agencies, our Portfolio is helping to build and expand hospitals, deliver more affordable housing, improve transport networks, and create vibrant community spaces that benefit communities across the State. Through significant investment in major infrastructure, our Portfolio is improving critical assets, keeping pace with population growth, providing greater transport choice, and supporting thousands of local jobs. Through collaboration, innovation, and knowledge sharing, our Portfolio is delivering the transport and infrastructure solutions that connect Western Australians today while building for tomorrow.
Our Agencies and Project Offices
Our Portfolio brings together agencies and project offices that work collaboratively to deliver world-class transport and infrastructure outcomes for Western Australia.
Our agencies:
- Main Roads Western Australia
- Public Transport Authority
- Department of Transport and Major Infrastructure
Our project offices:
Together, we combine expertise in transport planning, policy, regulation, infrastructure delivery and operations to provide integrated transport systems and services that support thriving communities and economic prosperity.
Source: About the Transport and Major Infrastructure Portfolio | Transport WA