• Journeys

    Our magazine Journeys looks into a project in Picton Town Centre & introduces our Sydney office team

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  • Keep moving

    The latest news in traffic & transport engineering from NSW

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  • Our work

    Some of our recent project work & achievements

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  • Introducing TDG

    Learn more about the team at TDG

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Welcome...

TDG is a multi-office specialist transportation engineering consultancy offering a full range of professional services in transportation: engineering, planning, modelling, analysis and design.

We work on both large and small developments, in both the private and public sectors. With offices across New Zealand, and in Sydney, our team delivers expert & specialized transport solutions.

Whether you need advice or you'd like to be part of our team, we'd love to hear from you.

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featured project

Bangor Bypass Corridor Study, Sydney Australia

Bangor Bypass Corridor Study, Sydney Australia

The Bangor Bypass is a road corridor in Sydney, Australia, which moves almost 50,000 vehicles per day between Menai and Sutherland over the Woronora River. TDG was commissioned to carry out a corridor study, including defining and analysing safety, congestion...

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latest news