On-Line Estimation of Traffic Densities from Time-Series of Flow and Speed Data

Denos C. Gazis and Charles H. Knapp
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Denos C. Gazis: IBM Thomas J. Watson Research Center, Yorktown Heights, New York
Charles H. Knapp: The University of Connecticut, Storrs, Connecticut

Transportation Science, 1971, vol. 5, issue 3, 283-301

Abstract: A method is discussed for estimating the number of vehicles on a section of a roadway from speed and flow measurements at the entrance and exit points of the section. The method consists of obtaining rough estimates of this count at regular intervals, and then filtering random errors of these estimates by means of a sequential correction scheme. Emphasis is placed on economy in instrumentation and data processing.

Date: 1971
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Persistent link: https://EconPapers.repec.org/RePEc:inm:ortrsc:v:5:y:1971:i:3:p:283-301

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