A unified framework for estimating or updating origin/destination matrices from traffic counts

Ennio Cascetta and Sang Nguyen

Transportation Research Part B: Methodological, 1988, vol. 22, issue 6, 437-455

Abstract: This paper presents an in-depth study of the methodology for estimating or updating origin-to-destination trip matrices from traffic counts. Following an analysis of the statistical foundation of the estimation and updating problems, various basic approaches are reviewed using a generic traffic assignment map. Computational issues related to specific assignment maps and estimation models for both road and transit networks are then discussed. Finally, additional insight into the relative performance of several estimators is provided by a set of test problems with varying input data.

Date: 1988
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