Trig Road Corridor Upgrade
Notice of Requirement (NoR) HIFTR
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Project overview
An upgrade of Trig Road to an urban arterial corridor. This includes the upgrade of the existing Hobsonville Road/ Trig Road and Luckens Road/Trig Road intersections
The nature of the proposed works includes:
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The widening and upgrading of the existing Trig Road transport corridor to accommodate a 24m wide, two-lane arterial standard transport corridor between the State Highway 18 off-ramps and Hobsonville Road. A dedicated, bi-directional cycleway is proposed on the eastern side of the Trig Road corridor as well as footpaths on either side of the corridor.
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Changes to the State Highway 18 bridge layout to accommodate walking and cycling facility upgrades and tie in works within the existing road reserve north of State Highway 18.
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The upgrade and widening of Hobsonville Road generally between Cyril Crescent and Luckens Road to provide a four-lane corridor, which is generally 25m in width. These works include separated cycle paths and footpaths on both sides of the corridor. The widening will require land to provide for the construction and operation of the corridor including earthworks and driveway modifications.
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Two staggered signalised T-intersections at the Hobsonville Road/Trig Road and Hobsonville Road/Luckens Road intersections.
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Provision for public transport to improve bus travel time and reliability. This includes providing for bus only through movements in the left-turn lanes on Hobsonville Road at the intersections of Luckens Road and Trig Road, providing a dedicated kerb-side lane on both sides of Hobsonville Road and providing a right-turn bus advance lane on Trig Road.
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Upgrades to the existing stormwater culverts that cross beneath Trig Road.
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Fill embankment over a groundwater seepage area just off the eastern side of Trig Road at the upper branch of Trig Stream, and appropriate groundwater management to capture and convey the constant groundwater feed out of the fill embankment.
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The provision of new stormwater management devices. This includes a dry pond for the attenuation of additional post-development peak flows and to meet water sensitive design requirements. Raingardens are proposed to provide stormwater treatment and retention, with “at source” treatment within the berms along the carriageway as well as “end of pipe” treatment in larger raingardens.
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Bulk earthworks.
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Removal and relocation of existing utilities.
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Other construction related activities required outside the permanent corridor including re-grading of driveways, construction traffic manoeuvring and construction laydown areas.
Notice of Requirement (NoR)
NoR Map
Project status and anticipated construction timeframes
This project is currently in the appeal period. Submitters had 15 working days in which they could appeal to the Environment Court, against the whole or any part of the decision from AT. Appeals are under Section 174 of the Resource Management Act 1991.
During this process AT works together with appellants to come to a resolution. If both parties can't resolve the appeal independently, the Environment Court can appoint a mediator to facilitate the conversation. If a resolution can't be reached through court assisted mediation, then an Environment Court hearing will take place, and the Environment Court will issue a decision on the outcome.
There is currently no funding for detailed design or construction of this project. We anticipate the project will be delivered sometime within the next 15 years in line with Auckland Council’s land release strategy.
