Resources

The purpose of this research was to identify the barriers to using tyre-derived crumb rubber in bitumen binder in New Zealand roading and the methods to remove these barriers to create market demand for New Zealand waste tyre-derived products.

The use of integral and semi-integral bridges in New Zealand is fairly common practice due to advantages in ease of construction and savings in maintenance and whole-of-life costs.

This report details research carried out from 2012 to 2015 into chipseal flushing.

The application of geosynthetics (ie geogrids) for the stabilisation of basecourses prepared with a River Run rounded gravel aggregate was investigated.

This project aimed to understand time saving as a motivation for New Zealand drivers’ speeding behaviour in the context of other motivations for speeding, and to investigate the effect of education designed to improve participants’ understanding of t…

The study looked at the trade-off between price and quality for bus and train users in Auckland, Christchurch and Wellington.

Literature on the monetary valuation of the environmental effects of roads and road traffic on adjoining residential land use is reviewed.

Ice, frost, snow, fog and high wind are relatively common hazards on many New Zealand roads, and road weather information systems (RWIS) could be expected to make a significant contribution to road safety.

The National Association of Australian State Roading Authority (NAASRA) roughness meter is often required to be operated at low speeds, with acceleration and deceleration from and to a standing start, and through a tortuous pavement alignment.

National accident records and road description databases are used to calculate accident rates (expressed as the number of reported injury accidents per 100 million kilometres) for some selected types of road.