نتایج جستجو برای: dynamic traffic assignment

تعداد نتایج: 535219  

Journal: :Computer-aided Civil and Infrastructure Engineering 2021

In stochastic (dynamic) traffic assignment (DTA), route choice (RC) formulations with implicit set require less memory than their explicit counterparts. To compute turn probabilities, however, a topological ordering of the nodes is needed, which negatively impacts stability convergence and consistency equilibrium. This paper formulates general framework for RC module efficient DTA (ESDTA) witho...

Due to delay in receiving emergency medical services, a high number of injured people and patients annually lose their lives. Determining the medical service area and correct routing of rescuing operation is influential on the reduction of rescuers’ response time. Changing the traffic flow leads to change of medical service area. Therefore, it is expected that by observing changing traffic, the...

2011
Moshe E. Ben-Akiva

The management of severe congestion in complex urban networks calls for dynamic traffic assignment (DTA) models that can replicate real traffic situations with long queues and spillbacks. DynaMIT-P, a mesoscopic traffic simulation system, was enhanced and calibrated to capture the traffic characteristics in the city of Beijing, China. All demand and supply parameters were calibrated simultaneou...

2002
Guido Gentile Lorenzo Meschini Natale Papola

The network travel time pattern plays a double role in within-day dynamic traffic assignment: on one side, it constitutes the main attribute in the context of users’ path choice; on the other side, it determines the arc flow pattern for given path choices. Then, it is important that in the supply model realistic arc performances are yielded for given arc inflows. On the other hand, the arc perf...

1997
David E. Kaufman Robert L. Smith Karl E. Wunderlich

This paper considers the problem of dynamic traffic assignment under the principle that individual drivers will choose fastest paths, in the dynamic situation where path durations consist of time-dependent link travel times. Rather than constructing a unified model encompassing traffic dynamics and route choice, we decompose the model into an assignment mapping, which identifies the link travel...

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