CALIBRATION AND VALIDATION OF A MACROSCOPIC TRAFFIC FLOW MODEL BASED ON PLATOON DISPERSION AND QUEUE PROPAGATION
Journal: Scientific Journal of Silesian University of Technology. Series Transport (Vol.114, No. 114)Publication Date: 2022-03-01
Authors : Facundo STORANI Roberta DI PACE Stefano DE LUCA Silvio MEMOLI;
Page : 155-167
Keywords : network signal setting design; cell transmission model; platoon dispersion model; calibration; validation;
Abstract
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.
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