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Pavement performance modeling is essential for good pavement management practices on all levels, from the project level to the network level. Pavement performance models are generally developed based on historical pavement data combined with engineering judgment. Pavement performance models can be broadly divided into two categories: group models and pavement management section models. Group models are models developed for a group of sections based on a set of categorical criteria, such as Pavement Type, Traffic Level, Client Region, etc. On the other hand, pavement management section models are models that are specified for each pavement management section based on its characteristic features.
AgileAssets Pavement Analyst Express uses group-based models where a group is a set of pavement segments defined by one or more variables. These variables are called Performance Class Variables and are explained in detail in the sections listed above. Each group is then assigned a performance model for each performance index.
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