Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Dynamic Estimation of Origin-Destination Patterns in Freeways
The project investigated methods for estimating freeway origin-destination proportions from the traffic count data typically available from freeway surveillance and control systems. It was funded jointly by the Center for Transportation Studies at the University of Minnesota and the Minnesota Department of Transportation. Although originally aimed at developing recursive estimators of these proportions, it was found that the variants of ordinary least-squares which work reasonably for single intersections performed poorly on freeway data. A stochastic model of freeway traffic demand and flow was developed and used to conduct simulation studies aimed at identifying potentially useful estimation approaches. The conclusion was the neglect of the variants in freeway traffic flow was a major cause of the failure of the simple least-squares approaches, and that successful estimation requires a good model of freeway traffic flow.
Dynamic Estimation of Origin-Destination Patterns in Freeways
The project investigated methods for estimating freeway origin-destination proportions from the traffic count data typically available from freeway surveillance and control systems. It was funded jointly by the Center for Transportation Studies at the University of Minnesota and the Minnesota Department of Transportation. Although originally aimed at developing recursive estimators of these proportions, it was found that the variants of ordinary least-squares which work reasonably for single intersections performed poorly on freeway data. A stochastic model of freeway traffic demand and flow was developed and used to conduct simulation studies aimed at identifying potentially useful estimation approaches. The conclusion was the neglect of the variants in freeway traffic flow was a major cause of the failure of the simple least-squares approaches, and that successful estimation requires a good model of freeway traffic flow.
Dynamic Estimation of Origin-Destination Patterns in Freeways
G. A. Davis (Autor:in)
1994
49 pages
Report
Keine Angabe
Englisch
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