Each day we live our lives through a progression of journeys. Whether by car, bus, train, ferry, cycle or on foot, our journeys begin and are realised on an intricate network of road, rail or paths linking departure to arrival.

TDG is New Zealand’s largest specialist transportation engineering consultancy offering a full range of professional services in transportation: engineering, planning, modelling, analysis and design. With offices throughout the country, our work spans large and small developments, in both the private and public sectors. Wherever people and transportation meet, that's where we are. Making that meeting point better, is what we do.

Featured Projects

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This project involved a new town providing for the living, working and recreational needs for up to 12,500 people.  It required a comprehensive knowledge and understanding of the interaction of local street networks, pedestrian, cyclist and public transport networks and developed sustainable new town living, working and play environments based... Read more »

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TDG first began work on the Makara Wind Farm for ECNZ in 1997.  TDG were then re-engaged by Meridian Energy to assess a vastly improved scheme, named Project West Wind, in 2005. The new proposal included more efficient wind turbines, a more sensitive layout, and the innovative logistics solution of a... Read more »

    Latest News

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    Household Interview Survey
  • 05/06/2014 » You may find yourself asking, what is a “household interview survey”? These surveys collect data to understand how, where, and why people travel. » Read more »

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    Journeys - Summer 2014
  • 24/03/2014 » In this edition of Journeys we follow up on several projects featured in previous issues. TDG’s collaborative skills are to the fore in a number of affordable housing developments aimed at cooling Auckland’s overheated housing market. » Read more »

  • Michael2 2014
    new Graduate for TDG
  • 02/12/2013 » We are pleased to welcome Michael Hall to the TDG Auckland team. » Read more »