• Medientyp: E-Artikel; Sonstige Veröffentlichung
  • Titel: Impact analysis of accidents on the traffic flow based on massive floating car data
  • Beteiligte: Golze, J. [Verfasser:in]; Feuerhake, U. [Verfasser:in]; Koetsier, C. [Verfasser:in]; Sester, M. [Verfasser:in]; Paparoditis, N. [Verfasser:in]; Mallet, C. [Verfasser:in]; Lafarge, F. [Verfasser:in]; Yang, M.Y. [Verfasser:in]; Zlatanova, S. [Verfasser:in]; Dragicevic, S. [Verfasser:in]; Sithole, G. [Verfasser:in]; Agugiaro, G. [Verfasser:in]; Arsanjani, J.J. [Verfasser:in]; Boguslawski, P. [Verfasser:in]; Breunig, M. [Verfasser:in]; Brovelli, M.A. [Verfasser:in]; Christophe, S. [Verfasser:in]; Coltekin, A. [Verfasser:in]; Delavar, M.R. [Verfasser:in]; Al, Doori, M. [Verfasser:in]; Guilbert, E. [Verfasser:in]; Fonte, C.C. [Verfasser:in]; Haworth, J. [Verfasser:in]; Isikdag, U. [Verfasser:in]; [...]
  • Erschienen: Katlenburg-Lindau : Copernicus Publications, 2021
  • Erschienen in: XXIV ISPRS Congress "Imaging today, foreseeing tomorrow", Commission IV ; The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences ; XLIII-B4-2021
  • Ausgabe: published Version
  • Sprache: Englisch
  • DOI: https://doi.org/10.15488/14354; https://doi.org/10.5194/isprs-archives-xliii-b4-2021-95-2021
  • Schlagwörter: floating car data ; traffic accidents ; spatio-temporal impact ; traffic flow ; Konferenzschrift ; trajectory analysis
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  • Beschreibung: The wide usage of GPS-equipped devices enables the mass recording of vehicle movement trajectories describing the movement behavior of the traffic participants. An important aspect of the road traffic is the impact of anomalies, like accidents, on traffic flow. Accidents are especially important as they contribute to the the aspects of safety and also influence travel time estimations. In this paper, the impact of accidents is determined based on a massive GPS trajectory and accident dataset. Due to the missing precise date of the accidents in the data set used, first, the date of the accident is estimated based on the speed profile at the accident time. Further, the temporal impact of the accident is estimated using the speed profile of the whole day. The approach is applied in an experiment on a one month subset of the datasets. The results show that more than 72% of the accident dates are identified and the impact on the temporal dimension is approximated. Moreover, it can be seen that accidents during the rush hours and on high frequency road types (e.g. motorways, trunks or primaries) have an increasing effect on the impact duration on the traffic flow.
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