Resources

Research was carried out between 2005 and 2006 to determine if there were benefits or disbenefits associated with sealing unsealed roads, and if so, to determine a procedure for calculating the accident savings (or costs).

As toll roads and other forms of road pricing become of more interest to road controlling authorities in New Zealand, the importance of providing robust forecasts of motorists’ responses to tolls increases.

Reliability in public transport is important for operators and passengers alike.

Research carried out in 2001 examined the causes of cycle crashes on roads, footpaths, and cycle ways throughout New Zealand, through a survey of injured cyclists.

A routine inspection revealed significant corrosion of the prestressing strand on a concrete road bridge built in 1966 to a standard design used in about 117 State Highway bridges in New Zealand.

Aggregates used as base materials in thin-surfaced granular pavements common to New Zealand contribute at least half the wheeltrack rutting and roughness seen at the surface.

This report describes the results of a project to investigate the quality of road survey data collected from road networks in New Zealand.

Structural hot mix asphalt (HMA) pavements have become popular in New Zealand in recent times as heavy traffic volumes have increased and early failures of granular pavements have become more common, especially in urban areas where road maintenance c…

This digest summarises the findings of two reports prepared as part of Transit New Zealand's transport pricing study, excluding recommendations for further research which are the subject of another document.

In New Zealand excessive deformation in the wheel paths due to post construction densification has occurred in a number of new pavements constructed in recent years.