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Analytical expressions of incident-induced flow dynamics perturbations : Using macroscopic theory and extension of Lighthill-Whitham theory Mongeot, Helene ; Lesort, Jean-Baptiste

By: Mongeot, HeleneContributor(s): Lesort, Jean-BaptistePublication details: Transportation Research Record, 2000Description: nr 1710, s. 58-68Subject(s): USA | Traffic flow | Accident | Mathematical model | Macro | Queue | Length | Bunching | 25Bibl.nr: VTI P8167:1710Location: Abstract: The impact of immobile traffic incidents on traffic flow dynamics is modeled using first-order macroscopic flow theory, in which an incident is characterized by dual severity, possibly extensive length, and duration. Incident-induced flow perturbation variations through space and time are then developed as are associated analytical expressions of shock waves, perturbation clearing time, and maximum queue length.
Item type: Reports, conferences, monographs
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The impact of immobile traffic incidents on traffic flow dynamics is modeled using first-order macroscopic flow theory, in which an incident is characterized by dual severity, possibly extensive length, and duration. Incident-induced flow perturbation variations through space and time are then developed as are associated analytical expressions of shock waves, perturbation clearing time, and maximum queue length.

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