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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.

Research Report 456 Improved rate-of-rotation design limits

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

Rate of rotation, or 'warp factor' is a measure of the variation in crossfall of a road surface, and typically relates to a change in crossfall from that of a normal straight road to that chosen for a curve to enhance forces assisting a veh…

Research Note 006 Infrastructure for quick build cycleways

Published:
Category: Healthy and safe people , Research programme , Research & reports | Audience: General

The research aimed to identify and recommend designs of quick build protective measures for cycleways for introduction in Aotearoa New Zealand.

Research Report 455 Performance of open graded porous asphalt in New Zealand

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

The objective of this research, which was carried out between 2006 and 2007, was to propose methods to disseminate and incorporate local as well as international knowledge of OGPA performance into the current New Zealand asset management systems. Com…

Research Report 684 Cost–benefit appraisal methods for interrelated and interdependent projects/schemes

Published:
Category: Economic prosperity , Research programme , Research & reports | Audience: General

This study was commissioned to fill a knowledge gap as there is currently no methodology to assess interdependent and interrelated projects/programmes.

Research report 454 Concrete pile durability in South Island bridges

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

Alkali silica reaction (ASR) has, until recently, been considered to present a low risk to concrete in the South Island of New Zealand.

Research Note 005 Bilingual traffic signage – a research note

Published:
Category: Inclusive access , Research programme , Research & reports | Audience: General

As part of fulfilling the objectives of Te Reo Rangatira to ensure Te Reo Māori is visible, empowered, heard and spoken, Waka Kotahi is undertaking a programme of work enable and implement more Te Reo Māori on traffic signage.

Research report 452 Predicting walkability

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

This research provides a number of mathematical formulas for predicting the quality of the walking environment from the perspective of the user using operational and physical variables.

Research report 451 Tools for assessing exposure to land transport emissions

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

Exposure to elevated concentrations of road traffic air pollutants mainly occurs within a few hundred metres of major roads, or while travelling in road vehicles.