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State highway projects

Our role in managing New Zealand's state highways includes working with the government and partners throughout the country to identify and respond to opportunities to improve safety, capacity and efficiency on our roads. One of our key goals is to support economic growth and productivity throughout New Zealand. Together, we develop projects based on thorough analysis and, where appropriate, extensive consultation to ensure they can be implemented cost effectively while delivering immediate and long-term gains to road users and the economy as a whole.

Currently active projects are listed below. For completed state highway projects, view the completed projects section in the navigation.

Looking east towards Welcome Bay over the Maunganui/Girven intersection.

Updated: 29 July 2014

Formally known as the Maunganui Girven intersection improvements project, the Baypark to Bayfair link upgrade will provide improvements to the Te Maunga intersection to the Maunganui Road / Girven Road intersection... more

Fast facts

  • Project type:
    • Intersection improvement
  • Project contact:
The East West Connections will enhance capacity and provide a direct connection to SH1 southbound.

Updated: 29 July 2014

To deliver a transport network that can continue to support this growing movement of people and goods, the NZ Transport Agency and Auckland Transport are working together on the East West Connections programme. The programme will identify the current and future issues on the transport network in the Onehunga, Penrose, Mt Wellington, Mangere, Otahuhu and East Tamaki areas and look at how these can be addressed over the next 30 years.

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Fast facts

Southern Links..

Updated: 29 July 2014

The Southern Links project aims to develop an effective transport network of well-connected state highway and urban arterial routes linking State Highway 1 from Kahikatea Drive in Hamilton to the Waikato Expressway at Tamahere and State Highway 3 from Hamilton Airport to central and east Hamilton.

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Fast facts

Map of SH3 Vickers to New Plymouth.

Updated: 29 July 2014

NZTA is improving capacity between Vickers Road to Hobson Street on SH3... more

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SH16 Lincoln Road Interchange.

Updated: 23 July 2014

One of the first of the Western Ring Route projects to get underway, the Lincoln Road Interchange upgrade will ensure better and safer access to and from the motorway.

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SH16 St Lukes Road to Great North Road.

Updated: 23 July 2014

Set apart from the five other projects that make up the Western Ring Route, the SH16 St Lukes Road to Great North Road upgrade project is jointly funded by the NZ Transport Agency and Auckland Transport.

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Fast facts

Updated: 22 July 2014

Masham and Carmen Roads between Yaldhurst Road and Waterloo Road is currently a 2-lane road and will become a 4-laned, median separated road... more

Fast facts

  • Project type:
    • Roads of national significance
  • Project contact:
Maramarua Highway.

Updated: 17 July 2014

State Highway 2 between Pokeno to Mangatarata – historically called the Maramarua Highway – has traditionally had a poor safety performance. Work has been done to improve safety on the corridor and the NZ Transport Agency plans to do more.

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Fast facts

  • Project type:
    • Safe System Corridor Project
  • Project contact:
Auckland Northern Corridor.

Updated: 17 July 2014

The Northern Corridor is the primary route between Auckland and Northland, and will form the northernmost link of the Western Ring Route. The Northern Corridor Improvements covers the area of SH18 between Albany Highway and Constellation Interchange, and SH1 between Upper Harbour Highway and Greville Rd. The Busway component of the works extends further north on SH1, to Oteha Valley Road.

.. more

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Whirokino Trestle and Manawatu River.

Updated: 15 July 2014

The NZ Transport Agency is currently looking at all options for replacing the Whirokino Trestle, and either upgrading or replacing the Manawatu River Bridge... more

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