Resources

An overview of non-traditional backfill materials has been compiled from material identified in an international literature search carried out in 1992.

Research undertaken between 2007 and 2009 examined the influence of binder rise in reducing tyre–road friction of chipseal surfaces.

Impact factors were recorded on main members and deck slabs (where appropriate) of 12 bridges of between 9 and 30 metre span, under normal traffic conditions.

Vehicle emission reduction technologies are continually improving.

This study explores the patterns of cycle use and collisions among adults and school students in Christchurch, New Zealand.

This project involved a review of literature that was available in 1993 with additions from some 1995 documents, on the design and construction of unbound granular pavements.

An investigation into the feasibility of increasing the legal loads for heavy vehicles on New Zealand roads was begun in 1993.

Ground penetrating radar (GPR) as a non-destructive pavement investigation tool, and its application for use in New Zealand, have both been evaluated.

The majority of fatal and serious crashes in New Zealand occur on rural two-lane roads.

Roadmarkings are provided on roads to give guidance of the route ahead.