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Following a thorough procurement process, NZTA has confirmed its preferred suppliers for Integrated Delivery Contracts (IDCs), covering state highway road maintenance and renewals, which will commence in May 2026.

The contracts, which are expected to be signed early next year, will see contractors accountable for the majority of maintenance and renewal activity on regional state highway network, with up to 20% of work available to other pre-qualified suppliers through a contestable process.

The IDC contracts represent a significant change from the previous Network Outcomes Contracts (NOC), with NZTA taking greater ownership of asset management, from the gathering and analysing asset condition data through to the development of short, medium and long-term programmes.

Other key changes include a refreshed quality management framework and better use of design standardisation to speed up the path from programming to delivery.

NZTA National Manager Maintenance and Operations Andrew Clark says the contracts will build on NZTA’s focus on ensuring value for money through quality delivery.

“New Zealanders depend on a safe, accessible and high-quality state highway network, and NZTA is committed to providing this. Through the current Government Policy Statement for land transport 2024 (GPS) we have embarked on a significant programme of road rebuilding, which will deliver long term benefits for everyone using the state highway network. 

“The preferred suppliers have been chosen based on a range of factors, including proven ability to deliver, mobilisation approach and price. Our thorough tender review process has ensured the selection of suppliers with the ability to deliver the best results over the tenure of the contract.

“The new contracts reward delivery – contractors that deliver on time and to a high standard will be rewarded with greater volumes of work. At the same time, we want to enable market growth and diversity by using a wider range of suppliers through the contestable work programme that will complement these contracts.

“We look forward to working with the preferred suppliers to finalise contracts ahead of signing early in the New Year. This is a once in a generation moment to drive improved road maintenance outcomes for New Zealand.”

The table below lists the nominated preferred suppliers for the new Integrated Delivery Contract networks. Tenures are for 10 years from 1 May 2026 unless otherwise stated.

For further information on the IDC model, see:  

Technical disciplines – Integrated delivery model(external link)