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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Kelly Tarlton's currently operate a shark diving activity inside the site where participants are lowered into the shark tank inside a cage. In April 2010 they proposed to add a mobile stall that would sit along the well used footpath along Tamaki Drive. The stall would access a hatch... Read more »

Kilbirnie Section of Microsimulation Model

The Kilbirnie area of Wellington about three kilometres southeast of the Wellington CBD, includes the Wellington airport precinct and Rongotai Town Centre. Kilbirnie has many traffic generators (such as commercial, industrial and recreational activities) and its strategic location between the CBD and the airport means that transportation is a key issue... Read more »

    Latest News

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    New Senior Engineer for TDG
  • 20/08/2014 » We are pleased to welcome Jack Wan to the TDG Auckland team. » Read more »

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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 »