Publications

The Austroads Network Operation Planning Framework (the Framework) was developed in 2009 however it is not widely used by road agencies. This research aimed to understand each road agency’s approach and consider how the Framework could be improved…

Congestion in Australian cities has continued to get worse with significant increases in population and new car registrations. About a million new motor vehicles per year were registered in Australia in the years 2005-2007 before the global…

This project examines speeds through intersections. Phase 2 provides an assessment of selected treatments at intersections. A key objective of this research is to provide information to Austroads members on effective techniques to reduce speed and…

The purpose of the study is to recommend an ongoing Austroads research programme that is focussed on the impacts of the increasing volume of light commercial vehicles (LCVs) and rigid trucks (Rigids) on the urban traffic network in terms of their…

Cycling forms an integral element of a transport system, and provides a genuine alternative travel choice to cars while contributing to healthier lifestyles. Many governments, including those in Australia and New Zealand, have set targets to…

The aim of this project is to investigate intersection crashes with a view to determining suitable intersection approach treatments, and opportunities for better managing speeds through intersections, so as to reduce the severity of intersection…

The current practice of balancing traffic density or distributing traffic evenly in a road network is essentially subjective and is achieved manually through expert opinions. This report summarises these expert opinions and investigates whether…

Intersection crashes are one of the more common type of crash that may occur in rural environments. It is therefore important, within a Safe System, that factors that may contribute to intersection crashes and methods that may be used to prevent…

The objective of Austroads Project NS1203 (Estimating Road Network Congestion and Associated Costs) is to develop a procedure to calculate delay and associated congestion costs by making use of directly measurable traffic data. Network performance…

This report provides a literature review on the analyses of the flow breakdown process on a freeway. It begins with the basic freeway flow theory and automatic freeway control tools now in operation. The factors that contribute to flow breakdowns on…