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Using Real Traffic Data for ITS Simulation: Procedure and Validation

Abstract:

The high levels of urban traffic is becoming a main concern in our societies, generating problems such as excessive fuel consumption, CO2 emissions. Recently, Intelligent Trans-portation Systems (ITS) have emerged as a way to mitigate these problems. However, traffic analysis, improvement typically rely on simulations, which should be as realistic as possible. Meeting this requirement can be complex when the actual traffic patterns, defined through an origin/destination (O-D) matrix for the vehicles in a city, remain unknown. In this paper we propose a novel technique in order to import traffic data to the SUMO mobility simulation tool. In particular, our approach starts from induction loop measurements available from traffic authorities, then it uses the DFROUTER tool, along with a heuristic, to generate an O-D matrix for traffic that resembles the real traffic distribution. We apply our technique to the city of Valencia, the obtained results are then compared through simulation to other existing traffic mobility data for the cities of Cologne (Germany), Bologna (Italy), demonstrating the validity of our approach.