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Global Positioning System: A useful tool for Intelligent Vehicle-Highway Systems (IVHS)
Dynamic Route Guidance (DRG)
Dynamic route guidance systems are being designed to provide route recommendation based on actual or predicted traffic conditions based on data gathered from an equipped network. Watling and Van Nuren provide a comprehensive discussion of DRG systems to 1 st generation systems, such as VMS.
Advanced Traveler Information Systems (ATIS)
ATIS are an integral component of Intelligent Transportation Systems (ITS). The provision of real time information to traveler will lead to more efficient distribution of travelers to routes and modes. Many ATIS integrate highly defined mapping with GPS to enable real time vehicle tracking. These systems are capable of positioning the vehicle, determining if the vehicle is on or off course, and making appropriate adjustments to routing strategies to help the traveler navigate through the network to the intended destination.
Fig.1: Schematic layout of the Experiment
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