Resources

The use of concrete block pavers as a road surfacing in residential and industrial areas is increasing in New Zealand. This has raised concerns regarding the noise levels generated by vehicles travelling over such surfaces. A study involving

The Guide to assessing road traffic noise using NZS 6806 for state highway asset improvement projects  has been updated. 

The modification of the UK CRTN (Calculation of Road Traffic Noise) formulae for the prediction of traffic noise from uninterrupted traffic flows has been researched. The report details the methods used for data collection of noise and traffic

An introduction to land transport rules, including the status of rules currently being developed.

The purpose of this note is to advise project and network managers that there has been an update to the State highway construction and maintenance noise and vibration guide .

An evaluation of models which predict noise levels from road traffic in terms of the LEQ (24hour) index was undertaken in 1998 by comparing predicted levels with noise levels measured at 20 sites. These sites included motorways, highways, urban

Environmental noise caused by road and rail traffic can cause a range of disturbance and annoyance reactions amongst local communities. The threshold at which individuals will be annoyed by these sources of noise will vary depending on the

Internationally low noise porous asphalts are typically laid on top of structural asphalt layers. In New Zealand structural asphalt is generally prohibitively expensive and porous asphalt is used directly on chipsealsurfaced unbound granular

Launch of the State highway guide to acoustic treatment of buildings.