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2025/08/26
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Intelligence, Informatics and Infrastructure Award for Outstanding Potential Paper

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Comparison of statistical and machine learning-based pavement deterioration models using PCI as a continuous variable
Azam-Amir0822
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The Pavement Condition Index (PCI), a standard measure of road damage, is often treated in broader categories, which makes it difficult to determine the right timing for maintenance. In this research, PCI was instead modeled as a continuous variable to capture gradual deterioration better. The study compares traditional statistical methods and machine learning models, including multiple regression, decision trees, random forests, and artificial neural networks (ANNs), to identify the most accurate approach for forecasting pavement condition. The study further explores how each model can be interpreted and applied in real-world maintenance planning, helping engineers choose the most suitable method depending on their specific needs and available resources.


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The application of data science, such as Artificial Intelligence (AI) and statistical analysis, is increasingly supporting informed decision-making in civil engineering. This research focuses on modeling the Pavement Condition Index (PCI) as a continuous variable to gain a ÀÏÎÎÄ¥¶¡¶Ä³¡_ÀÏÎζij¡-Öйú¾º²ÊÍø¹ÙÍøÍÆ¼ö detailed understanding of how road conditions change over time under various influencing factors. The study also aims to explain the practical implications of different prediction models and how they can be used to support ÀÏÎÎÄ¥¶¡¶Ä³¡_ÀÏÎζij¡-Öйú¾º²ÊÍø¹ÙÍøÍÆ¼ö effective maintenance planning and decision-making by road agencies.


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This research can contribute to society by helping road agencies make ÀÏÎÎÄ¥¶¡¶Ä³¡_ÀÏÎζij¡-Öйú¾º²ÊÍø¹ÙÍøÍÆ¼ö accurate and timely maintenance decisions, which can reduce costs and extend the service life of pavements. By using data-driven models, agencies can prioritize repairs before damage becomes severe, resulting in smoother and safer roads for the public. The study clearly demonstrates that when the Pavement Condition Index (PCI) is treated as a continuous variable, it provides ÀÏÎÎÄ¥¶¡¶Ä³¡_ÀÏÎζij¡-Öйú¾º²ÊÍø¹ÙÍøÍÆ¼ö detailed insights into pavement deterioration. This allows predictive models to be ÀÏÎÎÄ¥¶¡¶Ä³¡_ÀÏÎζij¡-Öйú¾º²ÊÍø¹ÙÍøÍÆ¼ö effectively linked with different maintenance strategies, making them ÀÏÎÎÄ¥¶¡¶Ä³¡_ÀÏÎζij¡-Öйú¾º²ÊÍø¹ÙÍøÍÆ¼ö practical and useful for road agencies and engineers. Road engineers can better interpret and apply the model results in real-world maintenance planning. In the future, this research can be further developed by including ÀÏÎÎÄ¥¶¡¶Ä³¡_ÀÏÎζij¡-Öйú¾º²ÊÍø¹ÙÍøÍÆ¼ö variables that influence pavement condition and by applying the approach to larger datasets in both developed and developing countries.