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Abstvuct-The new-generation, network-wide signal control strategy TUC (Traffic-responsive Urban Control) has been first developed within the European Transport Telematics project TABASCO and later been improved and validated with further simulations. TUC is particularly designed for saturated traffic conditions, where other UTC systems are known to fail or perform poorly. TUC formulates a Linear-Quadratic optimal control problem based on store-andforward mathematical modelling. Initial results from a smallscale field-application in Glasgow (Scotland) and the simulations carried out were so encouraging that TUC is now going to be applied and demonstrated on a large scale in the cities of Chania (Greece), Munich (Germany) and Southampton (UK) in the SMART NETS project, which is cofunded by the European Commission in the framework of their SIh Framework Programme of Research within the IST Programme.

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