In order to improve traffic efficiency in urban road networks, the analysis and prediction of congestion is essential. In this paper a method is presented that first identifies frequently congested regions of a network by clustering affected links and then predicts travel time losses inside these clusters. Thereby, the reduction of the entire network to its mostly congested regions allows considering only a small set of highly relevant variables describing traffic congestion on a network level. For traffic prediction a K-Nearest Neighbors approach is developed that compares the severity of traffic congestion during morning peak with historical patterns in order to provide expected travel time losses during evening peak. Using the floating car data from a huge fleet of vehicles in Munich, Germany, the method is evaluated. Congestion clusters are identified and a study is conducted demonstrating the correlation between the severity of morning and evening traffic among different clusters. Finally, the performance of the predictor is assessed. Results show that the proposed approach achieves significantly better results than naive predictors.


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    Title :

    Travel time prediction in partitioned road networks based on floating car data


    Contributors:


    Publication date :

    2016-11-01


    Size :

    656871 byte





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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