Resources

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).

Transverse road markings as a speed mitigation device may be a cost-effective method of reducing fatal and serious injury crashes as a consequence of speeding on a high-speed hazard approach.

The advance of technology has created several rich sources of data to analyse road network performance and freight patterns.

A comprehensive compilation of road safety crash and casualty data in the Waitakere area.

The purpose of this research, carried out between 2008 and 2010, was to investigate the evidence for prioritising school travel initiatives, and to develop an evidence-based toolkit for the design of school travel systems, to supplement existing scho…

This project, undertaken in 1992, simulated the situation when a bridge is widened with a new concrete extension and then, after a delay period, traffic continues to use the existing old concrete bridge while the extension is curing.

During the last decade, New Zealand's non-metropolitan regions have undergone significant demographic and economic changes as a result of migration and changing employment trends.

An assessment of the key road safety issues in the Rangitikei district - used for targeting actions to reduce casualties.

A comprehensive compilation of road safety crash and casualty data in the Wairoa area.

Statistics, works completed, trends in condition, use and costs for roads - compiled annually by NZ Transport Agency using data received from each territorial authority in New Zealand.