Hiway Stabilizers has been improving New Zealand’s pavement infrastructure since 1986.

We offer a range of proven subgrade, subbase and basecourse modification services that are much more cost effective than traditional road construction and rehabilitation methods.

These include foamed bitumen stabilisation, aggregate modification, subgrade and subbase improvement, and fill drying.

As well as the cost savings they generate our innovative solutions reduce construction time, increase strength and durability, and are more environmentally sustainable.


We provide a wide range of innovative, cost-saving solutions for:

New pavement construction.
Subgrade and subbase stabilisation.
Aggregate modification.
Basecourse improvement.
Road rehabilitation and maintenance patching.
Specialist heavy duty pavements for ports, airports and other heavy duty requirements.
Rail track stabilisation.
Fill conditioning.
Commercial platform slab optimisation.
Residential developments.
Pavement smoothing.

Our philosophy is to utilise innovative techniques, quality systems, personnel expertise and a modern purpose built fleet to maintain and expand our position at the cutting edge of the stabilising industry. 


As New Zealand’s largest provider of specialist stabilising technologies, we have pioneered the use of many of the stabilising techniques employed in New Zealand today.

Our expertise and commitment to innovation has seen us develop solutions that optimise material properties to make them ideal for New Zealand conditions. This approach ensures lasting performance in the projects we deliver and has earned us a reputation as industry leaders.

As part of our commitment to remaining at the cutting edge of the industry, we have the largest fleet of purpose-built stabilisation plant in New Zealand. We have also developed a range of specialist binder blends and polymers that enable us to deliver industry-leading performance in aggregate modification and infrastructure stabilisation.

Stabilizers Road Composition


Hiway Stabilizers is the only specialist stabilising contractor in New Zealand to provide extensive in-house design services.

From concept design to delivery, our in-house design capability is unmatched in New Zealand and provides a 'one-stop-shop' for design of roading, foamed bitumen, stabilising, asphaltic concrete, rehabilitation and overlay pavement solutions. Our team has experience in designing for a wide range of applications, including state highways, local authority roads, private driveways and heavy duty pavements.

In the field, our team of experienced project managers, estimators and administration personnel is capable of delivering a wide range of roading and civil constructions works. Their expertise is backed by proven management, programming, accounting, quality, health and safety, communication, recording and reporting systems.