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Multistage stochastic system optimum dynamic traffic assignment program with recourse for incident traffic management Sawaya, Omar B et al

By: Sawaya, Omar BPublication details: Transportation Research Record, 2001Description: nr 1748, s. 116-24Subject(s): USA | Traffic control | Motorway | | Real time | Stochastic process | Mathematical model | 25 | 22Bibl.nr: VTI P8167:1748Location: Abstract: Robust real-time traffic management methodologies are needed to respond to freeway congestion caused by unexpected incidents. A multistage stochastic mathematical model with recourse is introduced to compute and disseminate real-time traffic control actions, which account for system uncertainties such as demand variation and incident severity. The benefits include the provision of a priori robust traffic control actions that are ideal under all circumstances of system uncertainties across all considered time periods, with significant reduction in the online computational effort. As a result, more insights on the relationship between traffic control actions and network properties across time periods are obtained.
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Robust real-time traffic management methodologies are needed to respond to freeway congestion caused by unexpected incidents. A multistage stochastic mathematical model with recourse is introduced to compute and disseminate real-time traffic control actions, which account for system uncertainties such as demand variation and incident severity. The benefits include the provision of a priori robust traffic control actions that are ideal under all circumstances of system uncertainties across all considered time periods, with significant reduction in the online computational effort. As a result, more insights on the relationship between traffic control actions and network properties across time periods are obtained.

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