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Edition:Technical report; July 1972-June1973
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NTL Classification:NTL-HIGHWAY/ROAD TRANSPORTATION-HIGHWAY/ROAD TRANSPORTATION;NTL-OPERATIONS AND TRAFFIC CONTROLS-OPERATIONS AND TRAFFIC CONTROLS;NTL-OPERATIONS AND TRAFFIC CONTROLS-Traffic Flow;
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Abstract:The objective of this effort was to complete the development of the computer simulation model SCOT (Simulation of Corridor Traffic) designed to represent traffic flow on an urban grid-freeway integrated highway system by simulating an existing system. This report describes the status of the calibration, validation, evaluation, and application studies of this model to a Freeway Corridor, in Dallas, Texas. As of the present time, difficulties have been enountered in the validaiation process of the model when traffic density is higher than the density corresponding to maximum flow. It has been concluded that 1) the present available data needs to be supplemented by more data in order to calibrate properly the model (an absolute necessity for the model to replicate reality) and 2) the response of the model is not consistent with the behavior of turbulent freeway traffic flow although the model has performeed well representing laminar flow. Therefore, it is recommened that a program of data acquuisition and reduction followed by a model calibration and validation be undertaken.
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