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Improved Guidance on Interrupted Traffic Flow Theory
This report summarises activities undertaken to update guidance on interrupted traffic flow theory contained within Austroads Guide to Traffic Management Part 2 and Part 3. The updates to the guidance will enable practitioners to improve their…
Improved Bridge Deterioration Models, Predictive Tools and Costs
The management of Australia and New Zealand’s bridge stock involves the development of forward works programs for periods up to, and longer than, ten years into the future. The scheduling of maintenance, rehabilitation and replacement, forms part of…
Level of Service Metrics (for Network Operations Planning)
This report documents a level of service (LOS) framework for network operations from the perspectives of different road users.
Review of Axle Spacing Mass Schedules and Future Framework for Assessment of Heavy Vehicle Access Applications
A key component to improving freight productivity in Australia is to improve access to the network for heavy vehicle operators. Assessment of bridge capacity is perceived to be critical to this aim.
Review of AS 5100.7 Rating of Existing Bridges and the Bridge Assessment Group Guidelines
There is significant pressure in Australia to improve freight productivity through the national reform agenda. A key component of the reform plan is to improve access to the road network for heavy vehicle operators. Assessment of bridge capacity is…
Heavy Vehicle Roughness Band Index: An Alternative Trigger for Pavement Rehabilitation
This report has developed a new index, the Heavy Vehicle Roughness Band Index (HVRBI), as a measure of ride quality for heavy vehicles. The HVRBI is intended for use by road asset managers as a trigger to initiate pavement intervention works…
Development of Marginal Costs for Heavy Vehicle Bridge Usage
This report develops approaches that estimate the marginal cost (MC) of bridge wear for heavy vehicle usage and estimates the availability and reliability of the data needed to use these approaches. Two approaches were examined. The first was an…
Design Rules for Bridge Bearings and Expansion Joints
In modern bridge structures, bridge bearings and expansion joints are commonly the source of most maintenance and performance issues. In some situations their performance can lead to the closure/failure of major structures and their maintenance can…
Investigating the Development of a Bridge Assessment Tool for Determining Access for High Productivity Freight Vehicles
This report deals with the first component of the bridge assessment tool and is a scoping study to determine whether there is sufficient data, and whether there exists suitable engineering models, to develop robust and nationally uniform technical…
Best Practice on Improving Level of Service for Freight Vehicles, On-road Public Transport, HOV and Emergency Vehicles
This report summarises the best practice for the improvement of the level of service of freight vehicles, on-road public transport, high-occupancy vehicles and emergency vehicles.