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Research Report 038 Effect of dust palliatives on unsealed roads in New Zealand

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

The results of a survey of recent literature on the topic of dust palliatives for unsealed roads are presented, and an investigation is described that was conducted during 1994, using a number of palliative products in road test sections constructed …

Research Report 378 Climate change effects on the land transport network

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

This two-stage project (undertaken in 2008/2009) aims to identify and assess the impacts climate change may have on New Zealand’s land transport networks (road, rail, ports and coastal shipping), and provides recommendations, including adaptation opt…

Research Report 309 Trials of the use of recycled hot mix and ground tyre rubber in hot mix asphalt

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

This research, carried out in 2003–2004, aimed to facilitate the recycling of asphalt mix, recycled asphalt pavement (RAP), and crumb rubber (CR) from waste tyres into New Zealand roads.

Research Report 305 Adaptation of the AUSTROADS pavement design guide for New Zealand conditions

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

New Zealand granular pavement design is currently based on the assumption that all deformation of the pavement shape under traffic loading occurs in the subgrade.

Research Report 304 Predicting in-service performance of alternative pavement materials

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

This research proposes a new practical method for predicting the performance of unbound granular materials, including alternative, industrial by-products and recycled materials in New Zealand.

Research Report 371 Relationship between road geometry observed travel speed and rural accidents

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

Speed is a major contributing factor in fatal and serious crashes in the rural environment (35% of fatal and 28% of serious crashes in 2003).

Research Report 301 Best practice for use and design of truck mounted attenuators (TMA) for New Zealand roads

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

Truck Mounted Attenuators (TMA) are widely used on New Zealand Level 2 and 3 state highways and on some network roads that carry high-volume high-speed traffic, to provide safe environments for both roadwork crews and road users.