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The extraordinary effort taken to build this unique road includes the following key facts:

  • 27 kilometres long.
  • Six years to construct.
  • 11.4 million cubic metres of earth excavated/moved.
  • 660,000 tonnes of aggregate brought to site.
  • 104,000 cubic metres of concrete used.
  • 7,900 tonnes of reinforced steel used in bridges and other structures.
  • Over 115,000 tonnes of asphalt laid.
  • 25 bridges and large culverts.
  • Longest bridge: Te Ara a Toa – 230 metres.
  • Highest bridge: Te Ara a Toa – 60 metres.
  • Largest cutting: Pouāwhā – Wainui Saddle – 70 metres high.
  • 534 hectares of ecological mitigation and replanting (includes 2.5 million native trees and plants).
  • Eight streams modified/diverted.
  • Over the course of the construction around 7,700 people have worked on site*

* Personnel figures include sub-contractors and everyone from ecologists to digger drivers to cleaners. If we included the people who have worked off-site (such as suppliers, designers and steel fabricators) the number would greatly exceed this.