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Calibration and validation of a macroscopic traffic flow model based on platoon dispersion and queue propagation

Storani Facundo, di Pace Roberta, de Luca Stefano, Memoli Silvio

Zeszyty Naukowe. Transport / Politechnika Śląska

2022

z. 114

155--167

This paper proposes a preliminary calibration and validation of a macroscopic traffic flow model for signalised junctions. In fact, on the network signal setting design problem, a reliable modelling approach must be adopted to acknowledge the traffic flow effects, considering two phenomena: queue dispersion and spillback. The proposed model is an extension of the space-time discrete Cell Transmission Model (CTM), which can simulate dispersion and horizontal queue. This preliminary calibration and validation use real-world data collected on an arterial of the city of Salerno (south of Italy). Results showed that the estimated parameters are consistent with the literature.