Resources

This note is to advise that the NZ Transport Agency (NZTA) Specification B/9P:2020, In-situ subgrade stabilisation, has been released for use on agreed pilot projects and is available for download from the Transport Agency’s website.

T19 specification sets out procedures for determining an optimised blend of aggregate and binders for the stabilisation of pavements.

T19 specification sets out procedures for determining an optimised blend of aggregate and binders for the stabilisation of pavements.

This specification shall apply to the in-situ stabilisation of subgrade layers comprising either natural in situ soils, imported fill materials or a combination of both using cement, lime or a combination of these.

The purpose of this note is to advise project managers that there has been an update to the Guide to assessing air quality impacts from state highway projects.

The Austroads Guide to pavement technology part 2: pavement structural design and the associated New Zealand supplement (Transit 2007) are used to design pavements in New Zealand.

Update on the status of the NZ Transport Agency’s Business case approach capability programme.

Road safety barrier accreditation scheme gets green light for safety.

The Guide to assessing road- traffic noise using NZS 6806 for state highway asset improvement projects has been updated.

The SM021, SM030 and SM031 State highway manuals have been updated.