Resources

Displaying 311 - 320 results of 938 for ""

Research report 403 The influence of surface treatments on the service lives of concrete bridges

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

The corrosion of reinforcing bars and prestressing steel is the most significant risk to the durability of concrete road bridges in New Zealand.

Research report 401 Rationalisation of the structural capacity definition and quantification of roads based on falling weight deflectometer tests

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

Pavement performance modelling for New Zealand roading networks, currently relies on an adjusted structural number (SNP) which is a single parameter intended to describe the performance of a multi-layered pavement structure in terms of its rate of de…

Research Report 159 The effect of link reliability on benefit/cost ratios

Published:
Category: Natural hazard risk management , Research programme , Research & reports | Audience: General

This report develops project evaluation procedures to incorporate risk assessment of road link reliabilities.

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.

Research Report 396 Public transport network planning: a guide to best practice in NZ cities

Published:
Category: Sustainable land transport , Research programme , Research & reports | Audience: General

This research explores the potential for the ‘network-planning’ approach to the design of public transport to improve patronage of public transport services in Auckland, Wellington and Christchurch.

Research Report 395 Enhancing the control of contaminants from New Zealand's roads: results of a road runoff sampling programme

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

This study provides guidance on vehicle emission factors (VEFs) for loads of copper and zinc discharged in road runoff, and the performance of stormwater treatment devices for removing these metals and total suspended sediments (TSS).

Research Report 157 Measuring and enhancing roadside biodiversity

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

A new method of biodiversity assessment is developed to characterise the biodiversity values of roads across New Zealand.

Research Report 156 Flushing processes in chipseals: effects of water

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

A study was made of proposed means by which water can enter chipseals surfaces and induce flushing.

Research Report 039 System-wide road accident analysis

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

A comparison of the road accident rates between five cities in New Zealand was undertaken between 1989 and 1991.

Research Report 389 Cycle safety: reducing the crash risk

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

Cycling is a sustainable mode of travel and an alternative to motor vehicle trips, particularly for shorter trips.