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Displaying Page 2 of 116

Road assets - Far North district

Published: | Category: Northland Region , Road assets , Research & reports | Audience: Local & regional government

Statistics, works completed, trends in condition, use and costs for roads - compiled annually by NZ Transport Agency using data received from each territorial authority in New Zealand.

Road safety data – Ashburton district

Published: | Category: Canterbury Region , Research & reports , Road safety data | Audience: Local & regional government

A comprehensive compilation of road safety crash and casualty data in the Ashburton District area.

Road safety data – Waitaki district

Published: | Category: Otago Region , Research & reports , Road safety data | Audience: Local & regional government

A comprehensive compilation of road safety crash and casualty data in the Waitaki area.

Road safety issues – Gisborne district

Published: | Category: Gisborne Region , Road safety issues , Research & reports | Audience: Local & regional government

An assessment of the key road safety issues in the Gisborne district – used for targeting actions to reduce casualties.

Road safety issues – Transit Taranaki region 2002

Published: | Category: Taranaki Region , Road safety issues , Research & reports | Audience: Local & regional government

An assessment of the key road safety issues in the Taranaki region - used for targeting actions to reduce casualties.

Research Report 341 The prediction of pavement remaining life

Published: | Category: Activity management , Research programme , Research & reports | Audience: General

The primary objective of the project was the development of criteria to define the end-of–life condition of pavements. These criteria could then be used in pavement performance modelling to obtain a more robust measure of remaining life. Another objective was the generation of a new model for maintenance costs. This could then be combined with the existing models for roughness and rutting to define a distress level at which rehabilitation should occur. None of the maintenance cost models developed were particularly successful in producing a reliable prediction of maintenance costs based on the pavement characteristics available from RAMM. Therefore, a logit model was developed to predict rehabilitation decisions. The major factors in the rehabilitation model were maintenance costs, traffic levels and roughness. The rehabilitation decision model derived for this study predicted rehabilitation decisions well. Approximately 72% of pavements that had been rehabilitated were predicted as requiring rehabilitation.

Research Report 457 Determination of personal exposure to traffic pollution while travelling by different modes

Published: | Category: Environmental impacts of land transport , Research programme , Research & reports | Audience: General

This purpose of this project is to assess the comparative risk associated with exposure to traffic pollution when travelling via different transport modes in New Zealand cities. Concentrations of the key traffic-related pollutants (particulate matter: (PM): PM10, PM2.5, PM1; ultrafine particles (UFPs) and carbon monoxide (CO)) were simultaneously monitored on pre-defined routes in Auckland and Christchurch during the morning and evening commute on people travelling by car, bus, on-road bike, train (Auckland only) and off-road bike (Christchurch only) from February to May 2009. The key results of this research are: • Car drivers are consistently exposed to the highest average levels of CO. • On-road cyclists are exposed to higher levels of CO, PM1 and UFPs than off-road cyclists. • Car drivers and bus passengers are exposed to higher average levels of UFP than cyclists. • At some parts of their journeys, travellers are exposed to very high levels of...

Research Report 514 The contribution of public transport to economic productivity

Published: | Category: Transport demand management , Research programme , Research & reports | Audience: General

The objective of this research was to quantify the contribution of public transport to economic productivity.

Road safety - casualties - comparison of all territorial authorities - tables

Published: | Category: Research & reports , Road safety: crashes & casualties | Audience: Local & regional government

A comparison of road safety casualty statistics between all territorial authorities in New Zealand.

NZTA passing lane research

Published: | Category: Research & reports | Audience: Road traffic engineers & consultants

This report undertakes a statistical analysis on intersection crashes close to passing lanes.
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