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Research Report 538 Reliability and freight literature and practice review

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

The NZ Transport Agency's Economic evaluation manual (EEM) provides guidance on the evaluation of journey time reliability in private road vehicle trips.

Research Report 503 A natural environment and cultural asset management system for New Zealands state highway network: towards a practical concept and application

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

Internationally there is an increasing expectation for roadways to have a minimal environmental footprint, to express local environmental and cultural context, and to protect or respect natural, historical and landscape assets – in addition to being …

Research Report 502 Assessing pre-tensioned reinforcement corrosion within the New Zealand concrete bridge stock

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

Precast pre-tensioned concrete bridge construction became common in New Zealand in the 1950s and a large number of pre-tensioned concrete bridges were constructed between 1953 and 1980.

Research Report 535 Accurate and affordable location technology for New Zealand

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

A potential gap between available location technology and its use on the ground was identified in the New Zealand land transport sector.

Research Report 369 Trends in older people's travel patterns

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

We updated our earlier study of older people’s travel patterns using the 1997/98 New Zealand Household Travel Survey (NZHTS) with a comparative analysis using the recently compiled 2004–07 Ongoing NZHTS database (ONZHTS).

Research Report 050 Antioxidents for roading bitumen

Published:
Category: Activity management , Research programme , Research & reports | Audiences: General, Roading contractors

The technical literature up to 1994 dealing with the use of antioxidants to decrease the rate of age hardening in bitumen used for roading chipseals was reviewed.

Research Report 368 Long-term dust suppression using the Otta seal technique

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

A 2004 trial of the Otta seal technique in various locations in New Zealand showed that it may be a better option for dust minimisation and, based on life cycle costing, could be a lower-cost option when compared with traditional short-term dust pall…

Research Report 366 Earthquake performance of long span arch culverts

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

Dynamic numerical modelling has been carried out in 2005–2007 to investigate the seismic performance of an 11.66 m span, 7.29 m rise, high profile arch culvert.