Linking Synchronized Flow and Kinematic Waves

Jorge A. Laval
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Jorge A. Laval: Laboratoire Ingénierie Circulation Transport LICIT (INRETS/ENTPE)

A chapter in Traffic and Granular Flow’05, 2007, pp 521-526 from Springer

Abstract: Summary This paper shows that including the effects of lane-changing activity in kinematic wave theory reveals the physical mechanisms and reproduces the main empirical features that motivated Kerner’s three-phase theory. This is shown using a hybrid representation of traffic flow where lane-changing vehicles are treated as discrete particles with realistic accelerations embedded in a continuous multilane kinematic wave stream. We show that this parsimonious four-parameter model reproduces the three phases identified by Kerner, including phase transitions and jam formation. We conclude that synchronized flow and wide-moving jams differ only in their lane-changing spatiotemporal patterns, but obey the same conservation laws and boundary conditions. Freeway segments with one, two and three junctions are analyzed.

Keywords: Lane Change; Transportation Research Record; Kinematic Wave; Fundamental Diagram; Capacity Drop (search for similar items in EconPapers)
Date: 2007
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Persistent link: https://EconPapers.repec.org/RePEc:spr:sprchp:978-3-540-47641-2_49

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DOI: 10.1007/978-3-540-47641-2_49

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