Resources

Displaying 591 - 600 results of 711 for ""

Research Report 266 Derivation of appropriate traffic & loading data and parameters for road asset management

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

The main purpose of this project is to identify appropriate traffic and loading data for use in RAMM, other pavement management systems (PMS) with treatment selection algorithms and for pavement deterioration models.

Research Report 265 Porous asphalt durability test

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

The most common form of distress of aged open graded porous asphalt (OGPA) is loss of chip from the surface (fretting and ravelling) caused by embrittlement through reaction with atmospheric oxygen.

Research Report 264 Development of a benefit evaluation technique applicable to treatment of road run-off

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

This study investigated the potential to define a benefit cost based on the reduction of contaminants provided by a road stormwater run-off treatment device.

Research Report 263 The effect of cross-sectional geometry on heavy vehicle performance and safety

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

The primary objective of this study, done between July 2003 and June 2004, was to determine relationships between road cross-sectional geometry and heavy vehicle performance and then to use these relationships to estimate the effect of road geometry …

Research Report 258 Detailed experimental investigation for foamed bitumen stabilisation

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

As the demand for a cost-effective and environmentally friendly pavement stabilisation method increases, so has foamed bitumen stabilisation for unbound granular pavement layers started to gain broad acceptance worldwide.

Research Report 256 Prediction of skid resistance performance of chipseal roads in New Zealand

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

This report presents the results of a 4-year research programme (from 2000 to 2003) involving a combination of field, laboratory based, and statistical modelling studies undertaken to identify critical aggregate properties from the perspective of in-…

Research Report 255 Impact on driver behaviour of overtaking lane design for New Zealand roads

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

This research, (conducted in 2003 on state highways in the upper North Island, New Zealand), aimed to improve safety at passing lanes by examining the influence of lane design on driver behaviour.

Research Report 254 SASW – a method to determine pavement composition & strength

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

An investigation into the application of SASW (seismic analysis of surface waves), to measure the layer thickness and material moduli of pavements to assess pavement strength, was carried out in 2003 on roads in New Zealand.

Research Report 253 Effectiveness of variable mandatory speed signs within the Wellington ATMS New Zealand

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

The research, carried out during 2002, has examined the effect of Variable Mandatory Speed Signs (VMSS) on road user behaviour within the Ngauranga Active Traffic Management Scheme (NATMS), just north of Wellington, New Zealand.

Research Report 025 Investigation into the high incidence of pavement chip loss

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

A high incidence of unexplained chip loss occurred on New Zealand roads following the 1989/90 to 1991/92 sealing seasons.