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Research Report 588 Why are some urban traffic signals much less safe than others?

Published: | Category: Safety, security and public health , Research programme , Research & reports | Audience: General

Research undertaken to inform the High risk intersections guide showed there was a higher risk of death and serious injury at some urban signalised intersections than at other intersections using the same control types. The reasons why some urban signalised intersections are less safe than others are not well understood. The research presented in this report compares urban signalised intersections with good safety performance with those that perform poorly to understand the reasons for their differences.

Research Report 601 Understanding the value of transport investment in historic and cultural heritage

Published: | Category: Environmental impacts of land transport , Research programme , Research & reports | Audiences: Advice and assistance, General, Land developers, Local & regional government

The 2015 Government Policy Statement on Land Transport focuses on economic growth, productivity, road safety, and value for money. The transport system must also support economic, social, cultural and environmental well-being. This means that road controlling authorities (RCAs) must mitigate the impacts of their projects on heritage sites without placing an unreasonable funding burden on the economy. RCAs such as the Transport Agency have their own approaches for assessing and managing historic and cultural heritage. No consistent national guidelines for heritage conservation actions exist, however, which creates risks and opportunities during project development, delivery and ongoing ownership of heritage.The requirements for heritage conservation follow from designation processes, but do not necessarily strengthen the heritage and cultural values of structures and environments. An economic perspective of such values can improve the value for money of heritage investments, and support New Zealand’s heritage stock.

Research Report 606 Towards a safe system for cycling

| Category: Safety, security and public health , Research programme , Research & reports | Audiences: Advice and assistance, General, Walkers & cyclists

Making urban cycling a safer and more attractive transport choice is now a NZ Transport Agency strategic priority.

Research Report 001 Use of non-standard road aggregates from Whanganui and Taranaki regions

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

Road aggregates in the Whanganui and Taranaki regions are generally softer than those used elsewhere in New Zealand. However the costs of importing premium quality aggregate (e.g. that which complies with TNZ M/4 specification) is prohibitive. Instead, local practitioners have utilised local materials with success.

Research Report 002 Communicating about use of road aggregates

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

A limited survey of roading practitioners was carried out to determine their opinion and needs with respect to communicating the findings of research about the properties of unbound aggregates.

Research Report 003 Traffic noise: prediction of interrupted flow noise

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

Reliable techniques have been used in a number of countries throughout the world for some years now for the prediction, measurement, assessment and control of road traffic noise.

Research Report 004 A road lighting survey method for accident sites

Published: | Category: Safety, security and public health , Research programme , Research & reports | Audience: General

A rapid method has been developed to evaluate the night lighting conditions at a road site in terms of the performance values of the Road Lighting Code. The method involves the use of luminance, illuminance, length and angle measurements. The on-site measurements can be readily carried out in under half-an-hour with the results recorded on a check sheet for analysis later by a computer programme developed for the purpose.

Research Report 005 Installation and maintenance of inductive detector loops

Published: | Category: Integrated land use and transport systems , Research programme , Research & reports | Audience: General

Inductive Loop Detectors (ILDs) are the most common form of vehicle detection for vehicle activated traffic signals in use today. They consist of a number of loops of wire buried in the roadway pavement and connected to a detector unit or amplifier.

Research Report 006 Geotextiles

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

Geotextiles are permeable textile fabrics used in engineering applications.

Research Report 007 Cycle use and collisions in Christchurch

Published: | Category: Safety, security and public health , Research programme , Research & reports | Audience: General

This study explores the patterns of cycle use and collisions among adults and school students in Christchurch, New Zealand. Reporting rates for all cycle collisions are obtained, including those which do not involve motor vehicles. From the results of the survey recommendations are made to improve the safety of cyclists in the city.
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