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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).
The study undertaken in 1992 identified the factors that contribute to the costs of operating vehicles on unsealed roads compared to those costs on sealed roads in New Zealand.
This research investigated improved methods for forecasting car ownership and use in New Zealand.
This report describes the outcomes of a study commissioned by the NZ Transport Agency to inform local authorities about the costs and benefits of transport modes.
The effects of reducing the discount rate used in evaluations of initiatives funded from the National Land Transport Fund (NLTF) were assessed during 2007–09.
To assist in meeting climate change commitments, there is a target to reduce the per-capita greenhouse gas (GHG) emissions from transport to half the 2007 levels by 2040.
This research project, undertaken in 2006 to 2008, confirms that traffic can force water through first-coat chipseal surfacings that do not visually show signs of cracking.
Coal tar-derived roading material contains over 1000 times more polycyclic aromatic hydrocarbons (PAHs) than equivalent bitumen pavements and has been identified as a major source of PAHs in both Christchurch and Auckland aquatic receiving environmen…
The falling weight deflectometer (FWD) which measures pavement deflections was assessed for its ability to predict the life of a newly constructed or rehabilitated pavement.
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 …