Resources

The results of an experimental study carried out in 1993 of the use of riprap to protect bridge piers against scour are presented.

A research project was undertaken in 1994 to investigate motorists' perceptions of discomfort and risk factors associated with using unsealed roads in New Zealand.

Social severance is the general term applied to the negative effects that roads and their traffic have on social interaction.

This report presents a road geometry survey of the New Zealand highway system and the subsequent use of the data to model the relationship between highway features and relative crash risk.

The report presents a definition of the scope and coverage of an ideal manual for the design of roading structures to meet the needs of Transit New Zealand and compares the present Transit New Zealand Bridge Manual and the 1992 Austroads Bridge Desig…

The British Pendulum Tester (BPT) is used to assess the skid resistance of road surfaces.

This study investigates the cost effectiveness of conventional and alternative construction and maintenance procedures for unsealed roadways.

Aternatives to automotive gas oil (AGO) used to flux (soften) bitumen used in chipsealing have been investigated.

A crash analysis of chevron treatments, sometimes together with other treatments, at bends.

One hundred and thirty participants (70 males, 60 females), aged between 18 and 40, took part in this research to test the relative conspicuity of eight different test-garments.