Resources

The objective of this project was to develop and test an apparatus and procedure for determining natural frequency and damping ratio for heavy vehicle suspension systems. A test has been developed that involves supporting an axle group on collapsible…

A new mix design system for porous asphalt based on maximising the effective void content, but maintaining sufficient strength through the use of polymer-modified bitumen, was developed and trialled.

This study, carried out in 2004 at the Traffic and Road Safety Research Laboratory, University of Waikato, assessed driver reactions to 16 road hazard warning signs of various formats.

The project was aimed at improving overtaking lane design through a better understanding of driver behaviour during overtaking.

The measurement of traffic volumes on an extensive nationwide network is a very large task.

Most chipsealing in New Zealand is carried out using bitumen cutback (i.e.

This report describes investigating ways of quantifying the severance effects of roads.

This report describes a New Zealand study of the effect of different binders on the rate of chipseal texture loss under traffic.

Freight transportation is one of the key but often overlooked areas of transport policy.