North Rural Auckland recovery progress North Rural Auckland recovery progress

Significant progress has been made across the Auckland region over the last month on permanent repairs to storm damaged roads. In the North Rural area there are 358 slips, 80 of which are defined as ‘major’. 

We ask for patience while trying to repair sites all over Auckland.

To report new issues, please contact us.

Ahuroa Road, Puhoi

Ahuroa road was severely damaged during last year’s storm events and closed at the top of Ahuroa hill by J Tolhopf Road, effectively spitting the Ahuroa community in half. Eight under-slips were identified, and major geotechnical investigations were done to inform the rebuild.

The first designs were approved in May and a staged construction started; however, the underlying rock layer was deeper than thought and works were put on hold during a re-design involving the consideration of six options. Work kicked off again toward the end of last year and Downer NZ is now installing piles on the southern top side of the hill to support the road structure.

February 2024

Downer is making good progress with 73 of 150 piles (some up to 17 metres deep) and 80 soil nails in place.

January 2024

Downer has now reestablished all construction equipment on site in preparation for the months ahead. The team is drilling and filling piles on the upper section of the site and the road will continue to remain closed for the duration of these works.

December 2023

Downer, on behalf of Auckland Transport (AT), continues to make progress on the remediation of the roadway on Ahuroa Hill. Since construction activities
began, a total of 16 piles have been drilled across the two sections. This is a considerable effort given the ground conditions which includes hard rock at a much lower depth than expected.

The construction team will be taking a break over the holiday period, from Thursday 22nd December 2023 returning on Monday 8th January 2024. During
this period the road will remain closed with all current temporary traffic management remaining in place.

26 October 2023

Ahuroa Road is proving difficult to repair. The original design was completed and works began in July 2023 on the permanent reinstatement. Unfortunately, the underlying rock layer is substantially deeper than thought, which has required a review of design options and a temporary hold on works.

AT is assessing six new design options and will select the most appropriate.  Once we have the preferred option, Downer and AT will be able to provide programme information to the community around timing and options.

AT remains committed to the successful completion of these works and expects that we will be able restart construction within four weeks and have the road open by April 2024.

10 October 2023

On Ahuroa Road, several major slips have completely closed the road through to Puhoi from Ahuroa. There has been considerable progress to date on the slip at Ahuroa Hill RP8200-8600. Soil nails (acting like anchors) are in place which means the slope is now stabilised against further erosion.  Shotcrete (sprayed on concrete) was completed in September, as shown in the image on the right. This specialised process involves the high-pressure spraying of concrete onto the retaining wall's surface, reinforcing its structural integrity.  Some remaining components for this slip are currently in design.

21 September 2023

Completion of works is expected by February 2024.

7 September 2023

Ahuroa Road is being worked on in sections. Some sections have already been completed, some are in construction. One section near J Tolhopf Road where there was a major slip, is in the design phase. Designs are being prepared to repair this section in conjunction with the other repairs.

There are several retaining walls to be completed and will be worked on in sections. Each section will be completed separately. Road sealing will be completed afterwards.

30 May 2023

  • Final design has been approved. Works to start shortly
  • Road status - open from both ends with one section of road closed at J Tolhopf Road.

3 May 2023

  • Eight under-slips have been identified.
  • Geotechnical investigation has been completed, and an inclinometer has been put in place.
  • Preliminarily assessment and design for the road rebuild were completed and presented on 20 April 2023. We are now moving forward to the final design phase utilising the existing road alignment.
  • Road status – open from both ends with one section of the road closed at J Tolhopf Road.

Krippner Road, Puhoi

Road status: Open - Single Lane.

January 2024

  • Construction completed on four slips (of 8 under and over slips).
  • Section RP1800 to 2800 under one way with traffic lights.
  • Chipsealing and line-marking planned toward the end of January.

December 2023

Recent enhancements to drainage infrastructure involving the installation of a manhole and a concrete apron have been successfully executed. The installation of coconut matting, a crucial step to mitigate soil erosion resulting from rainfall and water runoff, is now complete. 

Remaining works include the riprap swale drain and the concrete table drain that will be installed along the length of Krippner Road to control and direct excess water away and help mitigate further slips occurring.

13 October 2023

Work is scheduled to begin at Krippner Road slip RP 2656 on Monday 16th of October. The repair includes a tieback timber retaining wall, and the site is within the existing TMP zone.

10 October 2023

On Krippner Road there are a number of both small and large-scale slips.  The above images show the slip known as RP 2550. Seven soil nails have been installed to date.  Sixteen of 30 timber poles have already been completed. At the same time the team are installing the horizontal timber planks that form the wall of the retaining structure.

7 September 2023

Progress has been made with the building of retaining wall. We have a few more poles to install but are working on a plan with Vector due to the proximity of their services.

Road is open with one-way traffic lights at major slip site.

October 2024 is the target completion date

3 May 2023

  • Eight under and over slips have been identified.
  • One-way traffic lights are in place at major slip site.
  • Work is now underway on reinforcing the largest under slip.
  • Geotechnical Investigation completed.
  • Road status - open.

26 April 2023

  • Eight under and overslips have been identified
  • One-way traffic lights are in place at major slip site
  • Work is now underway on reinforcing the largest underslip
  • Geotechnical Investigation completed.
  • Road status - open

Matakana Valley Rd, Matakana

Road status: Open.

21 February 2024

Downer, on behalf of AT, will be undertaking permanent repair works on the 10 slip sites across Matakana Valley Road between numbers 732-952 from Wednesday 28 February. The construction work includes building retaining wall structures to reinforce and prevent further slips from occurring.

Works will begin near number 952 Matakana Valley Road, with the plan to progressively move through the area as each slip is remediated. Construction is expected to take 10 months, and we will provide regular updates on timelines.

  • Hours of work 7am-7pm Monday to Friday
  • Traffic management includes temporary traffic signals, Stop/Go and speed restrictions.

22 September 2023

Work commenced on Monday 18th September. After initial works, we have found that a design change is required.  Works are on hold while we undertake this process.   Traffic management will remain in place. 

20 September 2023

Work commenced on Monday 18th September. Our initial works will involve excavation and site set up before preparing for construction of the timber pole retaining wall. This work is expected to take 6 weeks. Once this is completed, it is anticipated Downer will make their way to the next slip further up on Matakana Valley Road. Resilience work in this area is still in the design phase. 

8 September 2023

Work is set to begin on Monday 11th September for a 6-week period. A lane closure will be required with a Stop/Go in place. 

Notification to residents was delivered Tuesday 5th September.

17 August 2023

  • Final Designs underway

20 July 2023

  • Additional damage caused by Storm of 09 May 2023.
  • More slips have been identified during investigation

3 May 2023

  • Six under-slips and over-slips have been identified.
  • Preliminary Site Investigations completed.
  • Road status - open.

26 April 2023

  • Six underslips and overslips have been identified
  • Preliminary Site Investigations completed.
  • Road status - open

Mill Flat Road Bridge

Road status: Open.

On 27 January 2023, the Mill Flat Road bridge was washed away during the Auckland Anniversary Weekend flooding event. As an emergency response AT commissioned a Bailey Bridge to be constructed at the same location which was opened to the pubic a week later on 6 February 2023.

AT is currently investigating options for a permanent replacement bridge.

January 2024

  • Geotechnical investigations will be undertaken at the bridge location from 30 January for approximately one week. Traffic management will be in place and some delays are expected at times.

13 November 2023

17 August 2023

  • Investigation phase underway that will inform the design of the new bridge.

3 May 2023

  • Temporary one-way bridge installed.
  • Project plan in development.

Pakiri Road, Leigh

Road status: Open.

January 2024

  • Emergency temporary works completed.
  • Construction for RP 12768 completed.
  • Designs for three further underslips underway.

13 October 2023

Work is set to begin at Pakiri Road, slip number RP 12768, on Monday 16 October.

20 September 2023

Work is set to begin on Monday 25th of September for a 6-week period.

The work includes the construction of a timber pole retaining wall, drainage works and reinstatement of the roadway. This work is required to stabilise the area and prevent further slips and damage occurring.  A lane closure will be required with a Stop/Go in place. 

Residents have been informed via a letter drop 20th September. 

17 August 2023

  • Emergency temporary works completed - all lanes open to traffic.
  • Final Designs near completion

3 May 2023

  • Four under-slips have been identified.
  • From 19 April temporary remedial works are underway to make the road safe and remain open with reduced lanes.
  • Road status – open, with sections of the road reduced to one lane.

26 April 2023

  • Four under-slips have been identified.
  • From 19 April temporary remedial works are underway to make the road safe and remain open with reduced lanes
  • Road status – open, with sections of the road reduced to one lane.

Pinchgut Road, Kaukapakapa

Road status: Open.

January 2024

  • Minor slip repairs at RP1015 and RP659 completed.
  • Preliminary Site Investigations are completed and final designs in progress.

3 May 2023

  • Two under-slips have been identified.
  • Preliminary Site Investigations are completed.

Potter Road, Dairy Flat

Road status: Open.

January 2024

  • Temporary emergency works completed.

3 May 2023

  • Preliminary site investigation complete.
  • Road status – open.

26 April 2023

  • On track to completion
  • Preliminary site investigation complete
  • Road status – open

Red Hill Rd, Te Arai

Road status: Open to Residents Only.

17 August 2023

  • Preliminary site investigations completed
  • Final Designs completed 8 June 2023

30 May 2023

  • Road closed due to most recent storm on 9 May 2023
  • Road status - closed, open to residents only

3 May 2023

  • Preliminary Site Investigation completed.
  • Preliminary Design near completion.
  • Road status – open, however, down to one lane.

26 April 2023

  • Preliminary Site Investigation completed.
  • Preliminary Design near completion.
  • Road status – open, however, down to one lane

Takatu Road, Tāwharanui Peninsula

Road status: Open - Single Lane.

December 2023

Construction activities are underway and focus on comprehensive remediation measures which include five soil nailed shotcrete walls and one mass gravity rock buttress to address the identified six slips.

All necessary equipment, including excavators and drilling gear, has been mobilised, vegetation removal is complete and nailing is underway.

20 September 2023

Design work for the slip on Takatu Road is nearing completion.  Construction will follow.

17 August 2023

  • Final designs expected at the end of August
  • Road status – open, however, some sections of the road are reduced to one lane give way.

22 June 2023

  • Final designs underway on 25 June 

3 May 2023

  • Five under slips have been identified.
  • On track to completion.
  • Road status – open, however, some sections of the road are reduced to one lane give way.

26 April 2023

  • Five under slips have been identified
  • On track to completion
  • Road status – open, however, some sections of the road are reduced to one lane giveway

Weranui Road, Wainui

Road status: Open.

January 2024

  • 2 underslips and 1 overslip completed. 
  • Final designs expected shortly.

17 August

  • This site had 2 underslips and 1 overslip
  • Overslip has been completed
  • Final designs for the permanent repairs for the underslips are expected early September 2023

3 May 2023

  • Two under-slips have been identified.
  • On track to completion.
  • Preliminary site investigation complete.
  • Road status – open.

26 April 2023

  • Two under slips have been identified
  • On track to completion
  • Preliminary site investigation complete
  • Road status – open 

West Coast Road, Makarau

Road status: Open.

January 2024

  • 2 underslips - emergeny temporary works completed.
  • RP13263 completed before Christmas; RP11900 under construction.

December 2023

Under construction.

West Road, Kaukapakapa

Road status: Open - Single Lane.

January 2024

  • Final design expected February 2024.

3 May 2023

  • Preliminary site investigation complete.

Wishart Rd, Helensville

Road status: Open - Single Lane.

January 2024

Temporary repair to open road over Christmas completed.

20 July 2023

Final design delayed due to further investigation (movement being measured). 

22 June 2023

Under design phase. Final design due 4 July

3 May 2023

  • Preliminary site investigation complete.
  • Road status – open however reduced to one lane with traffic lights at major slip site.

26 April 2023

  • Preliminary site investigation complete
  • Road status – open however reduced to one lane with traffic lights at major slip site.