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Highway intersections play great important roles in the well-being of the whole highway system. Inappropriate control of highway intersections usually leads to poor performance, which causes traffic accidents and congestions. Although there are many factors affecting intersection performance, traffic volumes and compositions are by far the most important factors. Besides, they are impossible to be...
The unique characteristics of highway intersections have caused them to be the most dangerous places in the road system. Complexity of causes of traffic crashes at highway intersections, difficulty in data collection of traffic accidents and traffic conflicts and many other reasons have made safety performance evaluation of highway intersections one of the most difficult tasks, in spite of the fact...
Safety performance of highways has always been the focus of traffic engineering studies. Although many factors impact safety of highway transportation, at-grade intersection spacing is by far one of the most important factors. In reality, many situations can lead to closely neighbored intersections which become major causes of traffic accidents. To improve safety, intersection spacing should guarantee...
Network design problem has originated in the practice of traffic engineering. Planning and designing road system has always been the most important task of traffic engineers. The objective of network design problem is to plan and design an improvement project for a road network systematically so that the total travel cost of the whole road system is minimized. Because of the complexity of the models,...
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