Improved velocity estimation using single loop detectors

Improved velocity estimation using single loop detectors

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Article ID: iaor2003586
Country: United States
Volume: 35A
Issue: 10
Start Page Number: 863
End Page Number: 880
Publication Date: Dec 2001
Journal: Transportation Research. Part A, Policy and Practice
Authors:
Keywords: measurement
Abstract:

This paper develops an improved algorithm for estimating velocity from single loop detector data. Unlike preceding works, the algorithm is simple enough that it can be implemented using existing controller hardware. The discussion shows how the benefits of this work extend to automated tests of detector data quality at dual loop speed traps. Finally, this paper refutes an earlier study that found conventional single loop velocity estimates are biased.

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