Resources

Vehicular traffic on road asphalt generates a variety of inorganic and organic contaminants.

This research project investigated the use of curve advisory speed signs in New Zealand.

Subgrade stabilisation is a common road construction practice in New Zealand.

This project was undertaken in 2001 to review environmental protection measures that have been applied through the Resource Management Act (RMA) process, to a sample of 35 state highway roading projects constructed in New Zealand, between the years 1…

A research project was undertaken in 2001 to analyse the patronage and cost-effectiveness impacts of nine public transport enhancement initiatives (the case studies) in three New Zealand cities (Christchurch, Wellington, Auckland).

The research, carried out during 2002, has examined the effect of Variable Mandatory Speed Signs (VMSS) on road user behaviour within the Ngauranga Active Traffic Management Scheme (NATMS), just north of Wellington, New Zealand.

Data consisting of levels of scabbing (chip loss) of rating sections of New Zealand state highway chipseals, together with a seal stress classification calculated from the road geometry, were collected and analysed to look for relationships between s…

This report presents the results of a research programme involving two phases.

A high incidence of unexplained chip loss occurred on New Zealand roads following the 1989/90 to 1991/92 sealing seasons.

A research study was undertaken, in 2002, to facilitate and monitor the effects of a personalised marketing demonstration programme in Birkenhead, Auckland, New Zealand.