Abstract
Parameter of pavement serviceability have a significant impact on road life and safety. For this reason, the research focuses on modeling changes in the parameters of pavement serviceability, which can be considered as one of the current problems of the pavement management system (PMS). Due to the deteriorating condition of roads, it is necessary to monitor the impact of changes in parameters on the resulting effectiveness of the repair. The cost-effectiveness of spending helps road managers decide on road repairs. The paper focuses on modeling changes in the longitudinal unevenness parameter using various degradation functions. The aim of the research is to create an optimal degradation model, which will serve as a basis for sensitivity analysis and determination of the optimal year of repair.
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