Resources

The guidelines for sensitivity analysis in project evaluation, as used in the Transit New Zealand Project Evaluation Manual (PEM), have been improved.

This rule has not yet been brought into force.

The application of the Austroads Pavement design guide to Taranaki 'brown ash' has been investigated.

A test procedure to measure the long-term durability of bitumens useed in chipseals on New Zealand roads is described.

Subsoil drainange of the road pavement and subgrade is important to the performance and life expectancy of road pavements.

Refining practice for bitumens in New Zealand has been reviewed over the years, and a range of bitumens of different temperature sensitivities may become available for roadmaking in New Zealand.

This report describes the work undertaken between 1992 and 1995 under the first and second stages of a research project into road vehicle repair and maintenance costs in relation to road operating conditions.

This factsheet explains when transport service licences are required and the process for getting these.

The reliable operation of New Zealand's road network is critical to both its economic success and its social development.