Hōkai Nuku | Ara Tūhono
Roads of National Significance
Northland Corridor
The Northland Corridor is a 100km stretch of four lane, separated highway, connecting Auckland and the North. It is part of the Government’s Roads of National Significance (RoNS) programme confirmed in the 2024 Government Policy Statement on Land Transport.
The Northland Corridor is made up of 4 Roads of National Significance (RoNS). Connecting to Ara Tūhono – Pūhoi to Warkworth in the south, the corridor will be designed and constructed from south to north in 3 sections: Warkworth to Te Hana, Te Hana to Port Marsden Highway and Port Marsden Highway to Whangārei.
The new road will unlock economic growth and productivity by moving people and freight efficiently, quickly, and safely across the region, support housing development and provide more resilience during extreme weather events, particularly through the Dome Valley and Brynderwyn Hills.
For more information about this project please visit the Waka Kotahi website
Ara tūhono – PŪHOI TO TE Hana PROJECT STAGES
Pūhoi to Warkworth
The Pūhoi to Warkworth project will extend the four-lane Northern Motorway (SH1) from the Johnstone’s Hill tunnels to just north of Warkworth. Building a safer, more reliable State Highway connection for motorists, freight and tourism will encourage economic growth and support expected population growth.
Ara Tūhono – Pūhoi to Warkworth motorway is now open. The route provides a safer, more resilient and reliable route. It is a key strategic transport corridor for Aotearoa, connecting Tamaki Makaurau to Te Tai Tokerau. Since opening, there have been zero fatalities on this stretch of road.
For more information please visit the project website: Ara Tūhono – Pūhoi to Warkworth | NZ Transport Agency Waka Kotahi
Warkworth to Te Hana
Ara Tūhono – Warkworth to Te Hana is a Road of National Significance (RoNS) and will connect with Ara Tūhono – Puhoi to Warkworth which is now completed and opened in June 2023.
The project is 26km long, and the indicative design includes an 850m long twin bore tunnel in the Dome Valley and three interchanges located at Warkworth, Wellsford and Te Hana.
Where will the road go?
The indicative alignment for Ara Tūhono – Warkworth to Te Hana connects to the Ara Tūhono – Pūhoi to Warkworth section to the northwest of Warkworth and heads north, crossing Woodcocks Road, with an interchange proposed at Warkworth.
The new highway will be located in a separate valley, to the west of the existing SH1, until it reaches the Hoteo River where it will head eastwards crossing over the existing SH1 and Wayby Valley Road, with an interchange proposed at Wayby Valley Road.
The highway then continues generally parallel to Wayby Valley Road, before turning northwards and crossing Rustybrook Road. As the highway heads north it will cross local roads including Whangaripo Valley, Farmers Lime and Silver Hill roads, bypassing both Wellsford and Te Hana townships.
A further interchange is proposed near Mangawhai Road, with the new highway then connecting back into the existing SH1.
For more information please visit the project website: Ara Tūhono – Warkworth to Te Hana | NZ Transport Agency Waka Kotahi
VIRTUAL FLY-OVER ANIMATION
Here is a flyover capture of the now completed Ara Tūhono – Puhoi to Warkworth Project
Ara Tūhono – Pūhoi to Warkworth flyover – March 2023
Project Media Releases
Read the latest media releases for the Ara Tūhono – Warkworth to Te Hana State Highway Project.
Waka Kotahi has created a virtual animation of how the motorway may look when it is completed.
Project Media Releases
Read the latest media releases for the Ara Tūhono – Pūhoi to Warkworth Highway Project.
Assessment of Environmental Effects
Hōkai Nuku worked with the Waka Kotahi and their consultants during the investigation phase. Hōkai Nuku provided a Cultural Effects Assessment which was included in the reports that outlined the potential environmental effects of the project which were lodged with the Environmental Protection Authority (EPA) at the end of August 2013 to support the Notice of Requirement application to build the road.
The EPA notified and collected submissions on the Pūhoi to Warkworth proposal between 16 November and 13 December 2013. An independent Board of Inquiry heard submissions from the public at a hearing between 7 April and 5 June 2014. The Board confirmed the designation and resource consents on 12 September 2014.
https://www.epa.govt.nz/database-search/rma-applications/view/NSP000033/
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OUR PARTNERS
The relationship between Waka kotahi and Hōkai Nuku as Treaty partners has been formalised in a relationship agreement.