Resources

This report details the progress made in tests in Oklahoma, USA ,and Christchurch, New Zealand, during the period August 2004 to June 2005, exploring digital imaging technology to measure chipseal surface texture.

To improve the efficiency of the road transport industry, a range of mass limit increases for heavy vehicles has been proposed.

Roughness indices are used to monitor road condition and prioritise maintenance and rehabilitation programs. The most commonly used measure in New Zealand is NAASRA roughness which is based on the dynamic response of a normal passenger car.

The accumulation of chipseal layers following repeated road resurfacing frequently results in an unstable surface that can flush quickly, sometimes within twelve months.

The New Zealand Civil Defence Emergency Management (CDEM) Act (2002) requires all lifelines, including the road network, to be able to function to the fullest possible extent during and after an emergency, and that lifeline providers have plans for s…

Multi-lane roundabouts are typically viewed by cyclists as one of the most hazardous types of intersections to negotiate and police crash statistics bear this out.

The success of the recently introduced congestion-charging scheme in London has raised urban congestion charging to the fore of the transport policy debate.

This report provides the outcomes from research based on the Land Transport New Zealand gravel road monitoring programme that commenced during 2002 and included the cooperation of 51 local authorities.

This report summarises preliminary research undertaken in New Zealand during 2006–2007 to investigate the ability of intelligent transport system (ITS) treatments, such as adaptive signal control (eg, SCATS) and variable message signs (VMS), to detec…

Contamination of freshwater resources and estuaries as a result of runoff from urban development in New Zealand is threatening aquatic life.