Abstract: The urban infrastructure has experienced great challenges due to the increase in the population and consequently growth of the vehicle fleet. The traffic light intersections are among the main factors to optimize the urban road systems aiming to achieve the efficiency of the infrastructure system. The flow saturation can be used to synchronize the traffic cycles applying detection and control traffic technologies taking into account the huge amount of the collected traffic data. This work applies then data mining techniques to calibrate the saturation flow and its robustness is shown being validated by the Shanteau[1] and the Highway Capacity Manual [2] methods..
Key words: Traffic Congestion, Macroscopic Fundamental Diagram, Saturation flow, Data Mining.
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