The report presents a traffic control system, called the Area-Wide Real-Time Traffic Control (ARTC) System, which addresses occurrences of congestion and provides areawide traffic progression. The signal controllers in ARTC are interconnected through a communication network and by exchanging traffic flow information among them, ARTC provides a new concept in areawide traffic control. The traffic area controlled by ARTC is divided into regions and a regional controller is provided for each region. The regional controller periodically collects traffic flow information from the signal controllers to view the traffic flow of its region and anticipate congestion by detecting changes in traffic flows. Once congestion is anticipated in a region, the influx of traffic into this region is reduced until the congestion situation disappears. The signal controllers and the communication network are designed to support the real-time traffic control. Fault-tolerant designs for the signal controller and the network are also presented.


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    Title :

    Area Wide Real Time Traffic Control Intermediate Report


    Contributors:
    J. L. Kim (author) / S. J. C. Liu (author) / Y. Hao (author) / T. Park (author) / P. Swarnam (author)

    Publication date :

    1992


    Size :

    61 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English





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