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Bethells Road and Te Henga Road timeline update

Information about repairs on Bethells Road and Te Henga Road:

• 13 June 2024 – Ventia will complete works and open both lanes at the current worksite on Bethells Road.
• Note: There is another slip about 300 metres downhill (reference RP2.9). One lane will remain open and be repaired during the summer, as we require dry weather to complete the repair. We will need to fully close the road at that time.
• 14 June 2024 – Both Te Henga Road and Bethells Road will be available for use by Vector to do their work to relocated power lines.
• 24 June 2024 – Ventia will reinstate a full road closure on Bethells Road. They will then complete works at 5 sites in this area. This date is set and will not be brought forward if Vector complete works earlier.
• Another contractor has lodged a road closure for 2 days between 14 and 24 June. Ventia are engaging with their traffic team to understand what this is and how it can be integrated.
• 13 July 2024 (or earlier if works are completed) – Ventia will remove their closure from Bethells Road.
• Once the Bethells Road closure has been lifted, Fulton Hogan will carry out their planned works on Te Henga at a time that suits their programme.

73 Bethells Road, near Steam Hauler Track

12 June 2024

Work has included a 30-metre-long, 2-metre-high stone wall to support the road. Over 500 cubic metres of material has been removed from the site.

Work has been progressing well. The team are currently finishing the final backfilling up to road level and have started work on the road crossing culvert.

During construction, additional issues were identified with other drainage in the area. These areas also need to be repaired, which will extend the time that the team are on site. These works are being coordinated with other works in the area by AT and Vector. This may require works to placed on hold for a short time to allow other critical works to start. Works will then restart on this site.

Upon completion of the drainage works, the site will be finished.

160 to 198 Bethells Road

AT will be working to repair storm-related damage at this site. This work includes matting and hydro-seeding.

Caton Road, Waitākere

30 May 2024

Caton Road slip repair is complete and the road is open. There is no weight restriction in place. We have a few minor details to finish, but this won’t involve road closure.

From next week, we will have maintenance scheduled to come in and start on some of the general road maintenance, including potholes.

The repair has included a slightly wider carriageway of about 0.5m in most locations. It may appear narrower due to the guardrail, which narrows width perception.

Coulter Road, Swanson

We are starting slip repair work on Coulter Road, Swanson, in July. The road will remain open with Stop/Go traffic management in place.

Forest Hill Road, Waiatarua

Slip repair work will begin outside 346 Forest Hill Road, Waiatarua, on 13 May 2024. During the works, the road will be closed and detours will be in place.

During works, we discovered that powerlines need to be moved. This work will be completed by Vector but will add to the length of the closure.

Residents in the closed section of the road will have access to their property. The traffic management team will be on site to help you.

The team will be repairing the retaining wall and slip and will replace the damaged kerb and channel.

• Location: 346 Forest Hill Road, Waiatarua, Auckland (between West Coast Road and Kellys Road)
• Work to be done: retaining wall, slip and kerb repairs
• Start date: 13 May 2024
• Hours of work: 7am to 7pm
• Duration: until late July (weather dependent)

Glenesk Road, Piha

30 May 2024

Works began on Glenesk Road on 25 March 2024.

Downer on behalf of Auckland Transport (AT) are undertaking slip repair works outside numbers 7 and 19 Glenesk Road. This involves the construction of a retaining wall and repair of the footpath and shoulder. This work is required to stabilise the area and prevent further slips and damage from occurring.  

Work is progressing well and is on target to be completed on time.

The road closure with resident-only access will remain. This will enable our team to safely carry out work. Parking restrictions will also be in place. Please follow all signage and directions from the traffic management team.  

Karekare Road

30 May 2024

Slip remediation works have progressed well on Karekare Road and Lone Kauri Road. We anticipate finishing the seventh slip site in mid-June. We will then have 3 sites to complete, one original and 2 new sites.

These sites are:

• Karekare Road (K4)
• Karekare Road (K5)
• Lone Kauri Road (L4).

We also have some rock-scaling works to complete on Karekare Road at The Cutting. Rocks and debris are falling down from the bank above the road, landing in the drain and on the road. This is near the top site, which was completed earlier this year.

We expect to start back on Karekare Road in mid-July. This will require a road closure of The Cutting. We will try to maintain a traffic lane after hours (when no work is happening), but this is unconfirmed at this stage and will depend on available room for the worksite and whether we can get traffic past the site safely. We are hoping to work on both Karekare Road sites at the same time, to reduce the closure duration.

We anticipate that works on Karekare Road will be completed in October (weather dependent).

Once work on Karekare Road is complete, focus will then switch to the last remaining site, on Lone Kauri Road (L4). This site is located approximately 500 metres below the site we are currently working on (Lone Kauri Road L3). This will require a full road closure.

We will provide updates as we have more information.

Huia Road – various sites

30 May 2024

There are a number of slip sites along Huia Road, including:

• 81 Huia Road – Design has begun on a steel piled retaining wall.
• 370 Huia Road – Options are under investigation, site testing booked for early June.
• 634 Huia Road – Options have been presented for review, site testing booked for early June.
• 100m past Cornwallis Road – Options have been presented for review.
• 100m past Kaitarakihi Road – Geotechnical investigations were completed in March to assist the design of a retaining wall. Options are being presented for review.

These options are currently being considered by the team. Each site will have a separate design for the repair work.

We will update the community before works start on any of these sites. 

Kay Road, Waitākere

Closed - Residents and emergency services access only from Waitākere Road end.

Work is under way on the repair design.

While are unable to give a specific timeframe on repair works. We aim to have this work completed in 2024, to restore this connection for the community.

Kellys Road, Oratia

30 May 2024

A retaining wall design has been completed and is being reviewed by AT.

Relocation of services will be arranged with Vector over the next 2 months, before construction can begin.  

Konini Road, Titirangi

30 April 2024

We are working on the investigation phase, to confirm what solutions are available to repair the under slip on Konini Road.

After investigation is complete, we will be working on the design of the repair. 

Lone Kauri Road, Karekare

30 May 2024

Slip remediation works have progressed well on Karekare Road and Lone Kauri Road. We anticipate finishing the seventh slip site in mid-June. We will then have 3 sites to complete, one original and 2 new sites.

These sites are:

• Karekare Road (K4)
• Karekare Road (K5)
• Lone Kauri Road (L4).

We also have some rock-scaling works to complete on Karekare Road at The Cutting. Rocks and debris are falling down from the bank above the road, landing in the drain and on the road. This is near the top site, which was completed earlier this year.

We expect to start back on Karekare Road in mid-July. This will require a road closure of The Cutting. We will try to maintain a traffic lane after hours (when no work is happening), but this is unconfirmed at this stage and will depend on available room for the worksite and whether we can get traffic past the site safely. We are hoping to work on both Karekare Road sites at the same time, to reduce the closure duration.

We anticipate that works on Karekare Road will be completed in October (weather dependent).

Once work on Karekare Road is complete, focus will then switch to the last remaining site, on Lone Kauri Road (L4). This site is located approximately 500 metres below the site we are currently working on (Lone Kauri Road L3). This will require a full road closure.

We will provide updates as we have more information.

30 April 2024

We are continuing major slip repair works on 2 sites on Lone Kauri Road, between Piha Road and La Trobe Track. We have completed all of the soil nailing at these sites and are working on completing work on the road, shotcrete (spray-on concrete), drainage and guardrails.

The road will be closed during the day and open after work hours to residents only.

This will be a full road closure during work hours. We will not be able to open this site for school drop-off or pickup.

McEldowney Road

30 May 2024

Partial lane closure – drive with care.

Mountain Road

30 May 2024

Work is progressing on Mountain Road. We have completed sites 1 and 2 (with some finishing touches under way) and are currently working on site 3.

We are working on a timeline that anticipates the completion of these works by end of December 2024. 

Factors that have to be considered for works on Mountain Road:

• We will only be able to work at 2 sites at any given time, due to the narrow nature of the road and access through the sites.
• In some cases, it will be more difficult to work 2 sites at once for safety reasons, due to the layout of the road.
• The availability of a second works crew is yet to be confirmed, currently estimated to be available in June.
• Each location must have the design approved before works can start. There is still work ongoing for some of the designs.
• Although we have built some contingency into the timeline, weather and other factors may cause delays.

Opanuku Road, Henderson Valley

30 May 2024

On Opanuku Road, there are 10 sites where damage was caused by 2023 weather events.

• Six of these will be looked after by the maintenance team, as they relate to scoured pavement and drainage.
• Two are over slips that we are currently reviewing the plans for. These are most likely to be tidied up and hydro-seeded but no major works are expected.
• Two are under slips that have been made safe, are being monitored and are on the list to be repaired. They are in the 6- to 12-month bracket from now, as they are lower in priority than some of the higher-volume collector roads.

As these sites get closer to delivery, we will be able to provide an update on the timing of the works.

Otitori Bay Road, Titirangi

June 2024

We have completed works on the second slip at 40 Otitori Bay Road, and the road is now open. 

We are now starting work on Takahe Road, which will be closed to traffic from Wednesday 19 June.

Paturoa Road, Titirangi

The road is closed around number 15, and work is continuing on the repair design for this road. Below is some information about the damage at this site.

13 to 15 Paturoa Road

• The underslip occurred below an existing timber pole retaining wall, which appears to still be in place but is undermined.
• An overland flow path is running through this location. This will have to be considered during the design phase along with the existing stormwater network, which needs to be reviewed.
• Temporary traffic management and weight limits are in place until the repairs are complete.
• An underslip extends from the driveway of 12 Paturoa Road for 23 metres to the northeast.

Piha Road

Works on the slip site at 73 Piha Road were completed in December 2023.

Rayner Road, Piha

30 April 2024

47 to 49 Rayner Road, Piha

Flexiposts have been installed to keep vehicles away from the slip side of the road. The weight restriction is lifted. Our contractor is continuing to monitor this section of the road.

11 December 2023

Retaining works to repair the slip damage at 27 Rayner Road are now complete. The road is open.

Scenic Drive, near Arataki

June 2024

Excavation of this site took longer than expected due to poor ground conditions. A lot of material had to be removed from the site, as its condition meant we were unable to reuse it.

Most of the piles for the retaining wall have been installed, along with a number of panels. We are working on the drainage culvert, after which the final 3 piles will be installed.

We expect that delays caused by having to remove material from the site will push its completion date out into early August. We may also consider the impact on other sites near this one before we reopen the road.

Scenic Drive, near the Auckland City lookout

We will start work on this section of road on Monday 17 June 2024.

Works will take up to 9 weeks to complete. One lane will remain open and will have temporary traffic lights in place.

Scenic Drive, North Swanson

June 2024

Drainage and road repair works are under way on Scenic Drive North, between Rangimarie Road and Puketaha Road. This work will be under way until mid- to late July.

Works will take place during the day, and Stop/Go traffic management will be in place. There will be access through and there is no need for a detour route.

After work hours, the road will be fully open to vehicles.

9 October 2023 summary of the decision for Scenic Drive North, Swanson 

Auckland Transport has been investigating options for repair and remediation to the Scenic Drive North site. All options have been considered, evaluated and reported to Auckland Transport.

Reporting on these options was available at the end of September and has now been reviewed by Auckland Transport, its advisors and appointed contractor. Following consideration of the options, the group has chosen minor local interventions and monitoring as the best option. 

Local interventions and monitoring will include the following:

• localised repair of the road surface only
• sealing of roadside drains and investigation of improved road drainage
• an extended period of monitoring, to be reviewed annually.

Full description of summary note

Scenic Drive, between Shaw Road and West Coast Road (various sites)

25 March 2024

This stretch of Scenic Drive has a number of slip sites we are working on. Their location is indicated by the distance from the Titirangi end of Scenic Drive. 

Site 1: 6.58km from the start of Scenic Drive

A report with 3 options is currently under review to decide on the repair for this site.

Site 2: 6.73km from the start of Scenic Drive

A draft design is complete and will be ready for construction when the large site past Arataki is finished. We anticipate starting construction in the second half of 2024.

Site 3: 6.84km from start of Scenic Drive

Repair works were completed in March, with the crew putting finishing touches on the job including the sight rail and resurfacing work.

Scenic Drive, Titirangi 

Scenic Drive closure – June 2024 update

During the works, this section of the road is closed 24/7.

The timeframe for slip repairs to Scenic Drive has changed. During the works, between Woodlands Park Road and the Titirangi roundabout, we discovered an additional slip between the 2 slips we started works on. This section has not yet collapsed but is likely to slip, so we will build another retaining wall to secure this section.

• Start date: 27 February 2024
• Original timeframe: The initial plan was to finish within 4 months (weather dependent), for completion by the end of June 2024.
• Slip repairs: Vector had to remove power poles and safely relocate power lines before drilling could start. Repairs are under way on both slips originally identified.

Delays:

• A third slip (approximately 76 meters long) was discovered during excavation. This section has not yet failed but will slip if the road is opened.
• The repair design for the third slip is nearly complete. The design took longer than expected due to the length of the slip and its location on site.
• Timeframe for the production and delivery of galvanised steel beams for the repair has also increased from what we originally planned.
• Completing repairs to the third slip will extend the timeframe, but this option is better than reclosing the road at a later date.

Because of the extended timeframe, our new completion date is mid-October 2024, weather permitting.

Rock fall: The rockface in this section has once again started to fail, and large rocks have fallen. We have had Geotech investigation done and will continue to monitor this site.

Pedestrian and cycle access closed: Due to falling rocks, culvert digging and other works on site, pedestrian and cycle access through this site will be closed until the works are complete.

Impact on bus routes: School buses will continue to take the detour, and the shuttle bus will continue to serve Woodlands Park Road until the road is open.  

The following bus routes are affected by the closure:

Detour route

During the works, this section of Scenic Drive will be closed. The detour route will be along Woodlands Park Road and Huia Road, as shown in the map. We understand the inconvenience this may cause and ask drivers to plan ahead and allow extra time. 

We’ve received questions from the community about the detour route and have put together some FAQs about Scenic Drive, Titirangi (PDF 148KB).

Scenic Drive, Waiatarua (elevation site)

30 May 2024

Road repair works at this site are complete, and the road is open both ways. We are pleased to have this important connection open for the community. We will do a final road reseal when other drainage works in this area are finished.

What happens next?

Final design plans are progressing for this site. A series of fan drains will be installed to reduce pore pressure from within the slip. Residents who have properties within the slip site have been contacted, and we are discussing the fan drain option with them. This final stage of repair works will include work across private properties, so this is an important part of the planning process. 

Simpson Road

113 Simpson Road – repair is in the design phase.

• A road subsidence has occurred and extended approximately 107 metres in total length, with 77 metres of significantly affected carriageway. The failing retaining wall is along the edge of the road, on the downslope side.
• Cracks have been sealed, and temporary traffic management will be in place until repairs are complete.

We will continue to monitor the site until permanent repairs start.

Takahe Road, Titirangi

19 June 2024 – full road closure

Work has started to repair the slip near number 32 Takahe Road, Titirangi.

A road closure between number 2 and number 42 Takahe Road will be in place. Residents who live within the road closure can access their homes using the following detour.

• Properties west of 32 Takahe Road should use Otitiori Bay Road to Wood Bay Road.
• Properties east of 32 Takahe Road should use Castleford Street to Avonleigh Road.

Otitori Bay Road is now open for the community access their homes.

Te Henga Road

30 May 2024

There is a slip on the side of the road. The road is open with one lane. Please follow give-way rules.

The design of this repair is complete but needs to take into consideration the proximity of power lines. We are working with Vector on this and will update the community when repair work starts. We also need to complete works on Bethells Road before the works on Te Henga Road can start.

Titirangi Beach Road

30 April 2024

Titirangi Beach Road repairs are done, except for a few minor details we are still completing. Many thanks to the community for your patience through the works.

Wairere Road

30 May 2024

We have reviewed the geotech testing that was completed at this site and are working on a repair that we anticipate will start in June 2024.

Open under a reduced speed of 30km/h. Buses and heavy vehicles can use the road but must travel at a slow speed.

No public access to Lake Wainamu, sand dunes, Bethells Beach and Te Henga walkways.

Waitākere Road Bridge – underpass closed

Underpass closed at the intersection of Waitākere Road and Bethells Road.

Extra crossing signs and hit sticks have been installed on the approach to Bethells Road from Waitākere Road (Township end) for visibility and to improve safety.

From 1 April 2023, the speed limit was lowered to 60km/hr near the intersection (between 190 metres north of Bethells Road and 220 metres south of Township Road).

Woodlands Park Road, Waima

1 March 2024

At the end of 2023, we were completing further geotech testing in the slips. We are currently in the design phase of the repair for Woodlands Park Road.

As this road is currently part of the detour route for the works on Scenic Drive, repair work will be scheduled once Scenic Drive, Titirangi is complete.

13 September 2023

In late August, we removed the polystyrene cover to undertake further soil testing and evaluate the extent of the slip.

Yelash Road, Massey

30 May 2024

AT will be undertaking slip repair works outside number 13 Yelash Road, starting in late May 2024. We are building a retaining wall and repairing the shoulder of the road. We are communicating with the property owner about the works.