Dynamic Traffic Assignment (DTA) models are widely used for online and offline applications for efficient deployment of traffic control strategies and the evaluation of traffic management schemes and policies. A valid statistical methodology is proposed for assessing the successful implementation of traffic control strategies with regard to their inherit risk at the network efficiency and therefore providing a useful and easily applicable tool for practitioners in selecting the less risky alternative. In this paper we have considered a common method, Value-at-Risk assessment of financial portfolios, for the assessment of traffic control strategies using Dynamic Assignment Tools in the City Centre of Gaborone in Botswana and the results are presented here.
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