Microscopic Simulations of Oversaturated City Traffic: Features of Synchronised Flow Patterns

Gerhard Hermanns (), Peter Hemmerle (), Hubert Rehborn (), Boris S. Kerner () and Michael Schreckenberg ()
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Gerhard Hermanns: University of Duisburg-Essen, Physics of Transport and Traffic
Peter Hemmerle: Daimler AG
Hubert Rehborn: Daimler AG
Boris S. Kerner: University of Duisburg-Essen, Physics of Transport and Traffic
Michael Schreckenberg: University of Duisburg-Essen, Physics of Transport and Traffic

A chapter in Traffic and Granular Flow '15, 2016, pp 483-490 from Springer

Abstract: Abstract UnderstandingHermanns, Gerhard the physics ofHemmerle, Peter vehicular traffic and the emergenceRehborn, Hubert of trafficKerner, Boris S. patterns in citySchreckenberg, Michael traffic is important for the implementation of traffic management measures. Recently, the synchronised flow pattern has been found in empirical GPS probe vehicle data of oversaturated city traffic (Phys Rev E 90:032810, 2014 [13]). Traffic simulation models based on classical theories cannot reproduce this synchronised flow. We present simulation results of oversaturated city traffic with the stochastic microscopic Kerner-Klenov traffic flow model that is based on Kerner’s three-phase traffic theory. These results show features of synchronised flow. It is found that the drivers speed adaptation effect plays the key role in the understanding of the emergence of synchronised flow in oversaturated city traffic. The physical meaning of the speed adaptation effect in oversaturated city traffic is explained. The influence of the speed adaptation effect on the average speed and travel time in oversaturated city traffic is investigated.

Keywords: Traffic Signal; Speed Adaptation; Preceding Vehicle; Traffic Flow Model; City Traffic (search for similar items in EconPapers)
Date: 2016
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DOI: 10.1007/978-3-319-33482-0_61

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