Traffic congestion and demand were measured in lower New York City using Sky Count method for aerial photographic analysis; high-altitude photographs are overlaid with geographic grid system corresponding to one minute of latitude and longitude and subdivided into 180 data cells, each 400 sq ft; traffic demand level, taken as number of active vehicles observed, and congestion level, taken as number of active vehicles found in waiting lines, are counted for each cell; empirical formulation of congestion demand relationship is determined for grid segment based on average characteristics of its constituent cells.


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    Title :

    Sky count of traffic congestion and demand


    Additional title:

    Traffic Eng Control


    Contributors:

    Published in:

    Publication date :

    1965


    Size :

    4 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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