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In this paper the authors explore a distributed application used to smooth traffic and reduce long term traffic incidents. To do this they use VGrid: An ad hoc networking and computing grid formed by leveraging inter-vehicle wireless communications. In addition to exchanging data between vehicles, VGrid actively uses pertinent data to perform computations for solving traffic-related problems. The authors examine the problem of smoothing vehicular traffic flow through the use of real-time position and velocity information exchanged over the network. This is accomplished through the application of accident alert messages sent from the accident site or obstruction point and dynamically calculated variable speed limit leveraging the available vehicular grid computing network.
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