Resources

The road transport industry in New Zealand has been lobbying for increases in the allowable mass limits for heavy vehicles on the basis that this would give increased efficiency and benefits to the economy.

Traditionally, treatment of frost, ice and snow on New Zealand roads has involved spreading of mineral grit on the affected areas but this has disadvantages.

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.