Resources

Corrosion of steel reinforcement is the most serious and common deterioration problem affecting reinforced concrete bridges in New Zealand.

Foamed bitumen stabilisation is gaining wide acceptance internationally for pavement stabilisation, but has not been practised in New Zealand.

The objectives of this project, undertaken 2005/6, were to: review the international technical literature on the topic of environmental issues relating to the use of waste and industrial by-products in road construction applications, and recommend a …

Internationally low noise porous asphalts are typically laid on top of structural asphalt layers.

The introduction of new or alternative (recycled wastes) materials in road construction may have benefits in terms of cost reductions, improved surfacing or pavement performance.

This report describes the results of the project commissioned to investigate the effects of trench patches and service covers on pavement management.

The report was prepared in 2002 to assess international evidence on elasticities of demand for passenger transport (both public and private) and to recommend elasticity values that could be applied in forecasting the impacts on travel demand of urban…

Obtaining a reference road profile is vital for the validation of profiling devices.

The purpose of this study has been to document international experience of where the greatest benefits have been gained from the implementation of Intelligent Transport Systems (ITS), and to compare these benefits with the key outcomes sought in the …

The transport industry in New Zealand has requested that the maximum speed of transporters and mobile power cranes be increased from the present 50 km/h to the legal speed limit of 100 km/h.