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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.

Te Atatu Interchange.

Updated: 23 April 2015

The Te Atatu Interchange is one of five projects currently underway that completes the Western Ring Route - one of the Government's seven roads of national significance to help promote economic growth.

MAJOR DELAYS ON THE NORTHWESTERN MOTORWAY

Fri 24 to Tue 28 April (ANZAC weekend)

Click here for more information.

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SH16 St Lukes Road to Great North Road.

Updated: 23 April 2015

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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SH16 Lincoln Road Interchange.

Updated: 22 April 2015

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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Marlborough bridges.

Nelson / Marlborough / Tasman

Marlborough Bridges Investigation

Updated: 22 April 2015

We’re investigating options to improve travel across the Wairau and Opawa Bridges on State Highway 1 north of Blenheim... more

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SH6 Rocks Road Cliff, Nelson..

Nelson / Marlborough / Tasman

Rocks Road Cliff Strengthening

Updated: 21 April 2015

A six-month cliff strengthening project to improve safety and reduce the risk of rock or debris falling onto the road below... more

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Canada Street Bridge.

Updated: 20 April 2015

The Nelson Street Cycle Route will link Upper Queen Street to Quay Street via the disused Nelson Street off-ramp. The proposed cycle route will also cater for walkers and connect to the north-western and Grafton Gully cycleways, providing easier and safer access to and from the city centre... more

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SH16 Causeway Updgrade.

Updated: 17 April 2015

The causeway upgrade is a 4.5 kilometre-long project between the Great North Road Interchange and the Te Atatu interchange, and is a key component in completing the Western Ring Route road of national significance project. The existing six-lane causeway will be widened to provide additional lanes in both directions. The shoulder lanes for buses will be widened and extended, and there will be improvements to the pedestrian and cycleway beside the motorway. The causeway will also be raised to prevent flooding during extreme tidal conditions, and stormwater will be treated to a higher standard before it is discharged into the Waitemata Harbour.

The causeway runs besides the Motu Manawa - Pollen Island Marine Reserve. Design data has been gathered during the causeway trial, which took place during 2012, to ensure that the Causeway Upgrade will have as little impact on the Marine Reserve as possible.

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Roadworks on the SH6 Glenda Drive roundabout project.

Updated: 15 April 2015

Improved safety at this busy intersection is one of the key aims of this project. Another is to reduce traffic congestion by creating extra vehicle capacity at the main access point to proposed development of the Frankton Flats area.

The proposed improvements are part of the Wakatipu Transportation Strategy (adopted by the Transport Agency and Queenstown Lakes District Council) by providing additional road capacity, to meet the expected traffic growth generated by the continuing development of the Frankton Flats area

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  • Project type:
    • Safety improvement
  • Project contact:
Building a higher standard, higher capacity road will help enhance economic development..

Updated: 13 April 2015

This project is to improve SH1 between Pūhoi and Wellsford in the northern Auckland region.

Please note that the dates below are for the Pūhoi to Warkworth section only

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Otaki to Levin..

Wellington

Otaki to Levin

Updated: 30 March 2015

The NZ Transport Agency (NZTA) has completed preliminary work on investigating improvements to the approximately 30km section of State Highway 1 (SH1) from north Otaki to north of Levin. This project is part of the Wellington Northern Corridor, which has been identified by the Government as a road of national significance.

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