Published: 2021-12-29

Expert evaluation of road infrastructure management

Mariusz Urbański , Jacek Sudyka , Katarzyna Grondys


A dense and modern road network determines the proper functioning of trade-in economically developed countries. The aim of this article is to assess the influence of individual road infrastructure components on their performance in terms of traffic flow. To obtain a complete and comprehensive description of the problem, a mixed method of quantitative data analysis was used based on available statistical databases including information on linear and nodal infrastructure operating in the European Union. In light of the problem under consideration, a multi-stage statistical analysis was conducted. Factor analysis and multiple linear regression were used to assess the heterogeneity of the data and estimate the parameters of the models to explain the various components of road infrastructure performance. In turn, based on the k-means classification analysis, groups of EU countries differing in road network performance were identified. The results indicated that the extracted road network factors contribute to improving the performance of road infrastructure in its various study areas.


economic development, factor analysis, infrastructure efficiency, multiple regression, road infrastructure.

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Urbański, M., Sudyka, J., & Grondys, K. (2021). Expert evaluation of road infrastructure management. Roads and Bridges - Drogi I Mosty, 20(4), 465–492.

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