SH1 Northern Gateway Toll Road (NGTR)

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Project introduction

The Northern Gateway Toll Road is the first toll road in New Zealand to be fully electronic and was one of New Zealand’s largest and most challenging roading construction projects. It extends the Northern Motorway (SH1) 7.5km further north from Orewa to Puhoi.

  • Estimated project dates

    Dec 2004–Jan 2009
  • Estimated project cost

    $100 million +
  • Project type

    Road improvements
  • Project status



The NGTR was constructed to provide a straighter, safer drive between Auckland and Northland and an alternative to the steep and winding coastal route.



  • Bypasses usual congestion spots.
  • More direct route between Auckland and Northland.
  • Straighter and 4km shorter.
  • Safer passing opportunities.
  • Easy payment options with electronic toll collection.

About the project

  • Extends SH1 north by 7.5km.
  • Two lanes in each direction for most of the route.
  • Seven bridges totalling 1.1km in length.
  • Two eco-viaducts built to protect corridors at Otanerua and Nukumea.
  • A local road bridge at Hillcrest.
  • 380m long twin tunnels at Johnstones Hill.
  • Five major culverts.
  • More than 4 million meters cubed of earth moved.
  • 130,000 meters cubed of road surface.
  • 750,000 native plants.
  • 60,000 meters cubed of concrete.
  • New Zealand’s first fully electronic toll road.
  • At its peak, around 300 people worked on the project.
  • The toll for motorists is automatically deducted using a state of the art electronic collection system. Users can set up their own accounts online and do not have to stop to pay their toll.

The NGTR was delivered by the Northern Gateway Alliance comprised of Transit New Zealand, Fulton Hogan, Leighton Contractors, URS New Zealand, Tonkin & Taylor and Boffa Miskell.