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PT Engineering provided NCDOT Program Management services for the development of microscopic simulation models in TransModeler. The simulation models were used to determine the travel time savings component for scoring in the NCDOT Prioritization Process, SPOT 3.0. PT Engineering was responsible for overseeing the analysis of 285 projects in TransModeler, including the scoping of the studies, quality control of all models and the development of the technical approach for the program.