Resources

The object of this study was to gather data on the levels of bitumen oxidation found in dense asphalt surfacings.

There have been a number of high-profile early failures in New Zealand pavements (rut depths greater than 20mm observed early in the pavement life) associated with ‘greenfield’ pavements (pavements not subjected to traffic during construction).

Investigations into the cohesive properties and oxidation resistance of an acid-cured, epoxy-modified open-graded porous asphalt (EMOGPA) were undertaken, and an associated field trial constructed on State Highway 1 in Christchurch in December 2007.

This research develops an assessment tool and provides initial findings of whether RCAs are meeting their obligations under the Civil Defence and Emergency Management (CDEM) Act 2002, which states that the road network, among the other lifelines util…

A study was conducted to examine whether the New Zealand Code of practice for temporary traffic management guidelines for the implementation of temporary speed limits (TSL) result in driver speeds that match safe travelling speeds.

The Australian/New Zealand standard Lighting for roads and public spaces, part 3.1: pedestrian area (category P) lighting - performance and design requirements (AS/NZS 1158.3.1:2005) sets out specifications for pedestrian lighting.

Bridge health monitoring is a method of evaluating the ability of a bridge to perform its required task (also called fitness for purpose) by monitoring the response of the bridge to the traffic loads it has to withstand.

Warm asphalts are asphalts produced at significantly lower temperatures than the C that is typical of a hot mix plant.

This factsheet provides an overview of the requirements for commercial transport operators who transport dangerous goods and for couriers or any other person who transports dangerous goods for hire or direct reward.

The corrosion of reinforcing bars and prestressing steel is the most significant risk to the durability of concrete road bridges in New Zealand.