Road performance studies using roughness progression & pavement maintenance costs

TL;DRAbstract

Pavement management systems assist engineers in the analysis of road network pavement condition data, and subsequently provide input into the planning and prioritisation of road infrastructure works programs. The data also provides input into a variety of engineering - economic analyses which assist in determining the future road network condition affected by a range of infrastructure funding scenarios. The fundamental calculation of future pavement condition is commonly based on a pavement age versus pavement roughness relationship. However, roughness - age relationships commonly used in pavement deterioration and economic modelling do not take into account the pavement’s historical performance, rather, an ‘average’ rate of roughness progression is commonly assigned to each pavement based on its current age or current roughness measurement. This research project has undertaken a comprehensive evaluation of pavement performance by examining roughness progression over time and other

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