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Tools have been developed by multiple teams within the Transport Services group, as can be found below.
For further information contact hip.feedback@nzta.govt.nz.
The Transport Agency has a screening model for estimating air quality near roadways, which combines the contribution of the road together with the background air quality to arrive at a cumulative concentration.
This interactive map shows background air quality concentrations across New Zealand for two key pollutants – PM10 and NO2. The values shown exclude the contribution of nearby roadways and can be used with other tools such as the NZ Transport Agency screening model to assess the cumulative air quality effects of roading projects.
NZS 6803 provides calculation methods for noise from construction activity making reference to BS 5228. Key elements of the calculations are described in the construction and maintenance noise and vibration guide.
This calculator allows the internal noise level to be estimated based on the building construction and a specified external noise level. Noise is predicted through the wall facing the road, and optionally through the roof, windows and doors. Both the total noise level and the path contribution is displayed.
This calculator provides an estimate of the supply and installation costs of noise barriers, intended for use when comparing mitigation options during an assessment under NZS 6806. More accurate estimations should be made by specialists when required for project costing purposes.
The interactive display explains the different metrics, and provides an indication of the value of each metric based on an input noise level and road type.
The road-traffic noise standard, NZS 6806, only requires mitigation to be considered in clearly defined circumstances. The purpose of this screening tool is to identify those project options where mitigation is definitely not required under NZS 6806. The screening assessment is made on the basis of noise levels with and without the project, which can be estimated with the road-traffic noise calculator.
This calculator predicts road-traffic noise in situations without complex topography.
TRAMS is the transport-related air quality monitoring system which collates data from the Transport Agency and regional councils. This webpage allows users to view and export the summary air quality data by region and air pollutant, as well as the site metadata.
National pavement condition annual reports record the condition of the state highway network, based on high speed data (HSD). They are a useful tool for monitoring various performance measures related to condition. They provide trend analysis, percentile distributions for some measures, and comparisons against the national average and against other areas, on network outcome contract (NOC) boundaries.
