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.

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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

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 »

4 AsBuiltPegasus Entrance

Wamakariri District has one of the fastest growing populations in the country. Statistics New Zealand indicate the District’s population will grow each year by 1.6% between 2006 and 2031, which makes it the third fastest growing district in the country. The Pegasus Town development is a complete new town environment,... Read more »

    Latest News

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    Journeys - Summer 2015
  • 20/02/2015 » Another new year is underway, and happily, continuing the momentum of 2014. This issue of Journeys, we reflect on work and developments from the last six months, including likely RMA changes, whether Park and Ride facilities increase public transport user numbers and the completion of Wellington’s Arras Tunnel. » Read more »

  • Spencer
    New GIS Specialist for TDG
  • 07/01/2015 » TDG is pleased to formally announce the addition of Spencer Han to the TDG Auckland team. » Read more »

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