This paper proposes a Global Positioning System (GPS) based method for collecting historical travel time data, including link travel time and intersection signal delay information, for an arterial roadway network. A posttrip map-matching algorithm is introduced to project GPS data onto an existing arterial roadway network. A model is formulated by analyzing the three critical factors–minimum distance, direction similarity, and speed comparison error–in the map-matching decision to detect the critical points needed to obtain the intersection delay information. Two GPS data sets with different GPS accuracy–from Shanghai, China, and Aachen, Germany–are used in the study to calibrate and verify the posttrip map-matching algorithm. Then, through the model proposed, travel time and intersection delay information is extracted from the GPS data sets. By a comparison with results from electronic distance-measuring instrument data, the results of the experiment are shown to be satisfactory and compelling.


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    Title :

    Data Collection Based on Global Positioning System for Travel Time and Delay for Arterial Roadway Network


    Additional title:

    Transportation Research Record


    Contributors:
    Pan, Changxuan (author) / Lu, Jiangang (author) / Wang, Dawei (author) / Ran, Bin (author)


    Publication date :

    2007-01-01




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English




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