VILNIUS TECH Library invites you to follow the published new dissertations. The dissertation „Research of the Impact of Speed Reduction and Control Measures on Road Safety“ prepared by VILNIUS TECH, Rafal Mickevič. The dissertation was prepared in 2020–2025. Scientific Consultant – Prof. Dr Donatas Čygas.
The dissertation was defended at the public meeting of the Dissertation Defence Council of the Scientific Field of Civil Engineering in the Aula Doctoralis Meeting Hall of Vilnius Gediminas Technical University at 2 p.m. on 14 May 2025.
The main research object of the dissertation is the impact of average speed control systems on traffic safety and the optimisation of these systems on Lithuanian roads. The dissertation also aims to select the most important and influential criteria for the methodology of average speed measurement systems and to provide recommendations. The research addresses several main tasks. It uses comprehensive theoretical and experimental research to assess the effectiveness of speed reduction measures and speed control systems implemented on Lithuanian roads and analyses their impact on improving traffic safety. Next, it uses mathematical modelling and multicriteria analysis methods to develop a model for optimising vehicle speed reduction and control systems based on predicting the impact on accident rates and speed limit violations. The dissertation consists of an introduction, three chapters, a summary of results, a list of references and the author’s publications on the topic of the dissertation, and two appendices. The introductory chapter discusses the research problem and the relevance of the work, describes the research object, formulates the aim and tasks of the work, describes the research methodology, the scientific novelty of the work, the practical significance of the results, and the defended statements. The introduction closes with a list of the author’s publications and conference presentations related to the dissertation topic and the structure of the dissertation. The first chapter is dedicated to the literature review. It provides an overview of scientific articles on engineering and construction measures for traffic speed management, intelligent speed management measures, and the traffic accident situation on Lithuanian roads. The second chapter reviews the intelligent speed management systems operating on Lithuanian roads. It examines data from instantaneous speed cameras, average speed measurement systems, and studies. The third chapter focuses on investigating criteria for determining the locations of average speed measurement systems. Based on linear regression, the effectiveness of the criteria is determined, and recommendations for their selection are provided. Two scientific articles on the dissertation topic were published: two in scientific journals indexed in the Web of Science database, with a citation index. The research results were presented at two scientific conferences in Lithuania and abroad.
Doctoral dissertation readers can search via VILNIUS TECH Virtual Library.
