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Erschienen in:
2005 | OriginalPaper | Buchkapitel
Traffic Data Collection and Study with the BirdEye System
verfasst von : E.G. Campari, M. Clemente, G. Levi, L. Quadrani
Erschienen in: Traffic and Granular Flow ’03
Verlag: Springer Berlin Heidelberg
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In this paper we present results obtained with an original traffic data collector named BirdEye, comprising infrared emitters-detectors, microcomputers using a linux operating system and GSM or cable communication systems. It is currently under test, below a portal, along the A1 Italian highway, between Bologna and Florence. Data analysis has revealed the presence of the various phases of traffic; the formation of traffic slowing downs and jams and the highway overcrowding by lorries during working days. In particular we have analysed speed and length spectra, flow and fundamental plot, which reproduces experimental phenomena known from literature. Finally, we present results on the time sequence of vehicles transit which confirm the hypothesis of the existence of a fractal dimension of traffic.