The Importance of Antipersistence for Traffic Jams

Abstract

Universal characteristics of road networks and traffic patterns can help to forecast and control traffic congestion. The antipersistence of traffic flow time series has been found for many data sets, but its relevance for congestion has been overseen. Based on empirical data from motorways in Germany, we study how antipersistence of traffic flow time-series impacts the duration of traffic congestion on a wide range of time scales. We find a large number of short lasting traffic jams, which implies a large risk for rear-end collisions.

arXiv comment6 pages, 8 figures

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• Response functions as a new concept to study local dynamics in traffic networks
• Spatiotemporal statistical features of velocity responses to traffic congestions in a local motorway network