Resources

The objective of this new NZTA M25:2021 specification is to provide guidance for retroreflective sheeting manufacturers wishing to sell their retroreflective sheeting in New Zealand.

This specification and guidance notes apply to the construction of subsoil drains which consist of geotextile lined trenches filled with drainage aggregate.

Test method to assess the long-term field durability (resistance to oxidative hardening) of NZTA M1 penetration grade bitumens.

This specification and guidance notes set out the material and construction requirements for geotextiles for use as separation and/or filtration applications in highway earthworks and pavements.

Our intelligent transport system (ITS) standards and specifications (S&S) define the requirements for the design, delivery and integration of ITS equipment and systems on our national transport network.

The specification and guidance notes for first coat seals applied upon the finished surface of compacted granular basecourse pavement.

This method can be used to provide a simple quality control test to determine the permeability of a fabric.

This specification applies to the in-situ stabilisation of granular pavement layers using cement, lime, bitumen emulsion or foamed bitumen.

Stabilisation of pavement layers has a long history in New Zealand.

This specification for pre-surfacing repairs replaces the specifications TNZ C4, C5, C6, C7 and C8.