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Service area is one of fundamental parts in freeway, an important mark to show freeway's perfection. Its disposition plays very important role in reducing the traffic accidents, optimizing the driving environment, raising the operational and social efficiency. The issue, which should be seriously considered during freeway plan and construction, is how to make facility disposition at service area suitable,...
One of the major applications of wireless ad hoc networks is to extend the Internet coverage and support pervasive and efficient data dissemination and sharing. To reduce data access cost and delay, caching has been widely used as an important technique. The efficiency of data access in caching systems largely depends on the cost for maintaining cache consistency, which can be high in wireless ad...
Death and injuries as a result of road accidents is a recognized global problem and authorities are aware of the consequences this global phenomenon might lead to. Roadway safety is one of the most important issues in transportation. Intersections are the locations with higher traffic crashes as compared with other roadway locations. This paper introduces an approach to evaluate roadway intersection...
Traffic accidents usually induce non-recurrent congestions in the urban transportation network. In order to avoid the congestion deterioration, the paper presented a method to make traffic dispersion plans. The method considered and harmonized multi-objective, such as the change in total travel time, restrictions of traffic volumes on the links, and changes in traffic volumes on the links. Firstly,...
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...
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...
Traffic incident is an essential part of traffic control and management systems. This paper presents the application of Neural Network ensembles (NN ensembles) in incident detection. In addition, we proposed a new method to combine the outputs of networks, which made use of probability to improve further the performance of NN ensembles. Based on Boosting and Bagging, We generated neural network members,...
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