Resources

This specification guidance notes sets out the requirements and standards of work to maintain the maintenance aggregate of an unsealed road carriageway including running surface, shoulders, feather edges and surface water channels.

This specification sets out the requirements for repairs to the pavement structure in unsealed roads, where a digout is required.

This research report examines how benefit and cost appraisals for road operations, maintenance and renewal, and minor work improvements could be undertaken in a manner comparable with the appraisal framework for capital investments.

Roading projects may have adverse effects on indigenous wildlife.

The purpose of this research was to investigate if and how systems dynamic (SD) modelling could be used for understanding traffic flows at an inter-regional (state highway) level, in the context of improving understanding of the relationship between …

As transport network operations become more and more time critical the requirement for knowledge of the performance and state of the network becomes more significant for decision support.

Research was commissioned to investigate the long-term acoustic performance of New Zealand standard porous asphalt made to TNZ P/11 Specification for open graded porous asphalt (OGPA).

Robust condition data feeding into asset management processes is a key step towards having confidence in long-term strategies for renewals and replacements.