Improved velocity estimation using single loop detectors

Benjamin Coifman

Transportation Research Part A: Policy and Practice, 2001, vol. 35, issue 10, 863-880

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.

Date: 2001
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