Resources

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

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.

This paper is for skid resistance practitioners to assist them with background to the T10 policy on curves.

This specification and accompanying guidance notes set out the requirements for the adjustment of service covers necessary before asphaltic concrete paving, after a pavement reseal, settlement of the pavement adjacent to service covers, or settlement…

This P45 specification gives effect to the NZ Transport Agency Waka Kotahi (NZTA) Huia Kaimanawa – Heritage Policy for Land Transport Infrastructure, which sets out how we will manage, protect and conserve heritage.

Geosynthetic soil reinforcement materials employed in the reinforcement of soil structures (embankments, slopes, reinforced soil walls, etc) are materials with widely varying properties.

The following research reports and papers have been complied over time to address identified gaps in international and New Zealand road safety and lighting research.