Off-line and Real-time Evaluations of Eastern-Shore Sensors With a Generalized Detection Performance Monitoring System
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2023-03-01
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Edition:SPR-B Final Report (June 2012-June 2014)
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Abstract:The primary objectives of this study are to develop a detector performance monitoring system for both off-line and on-line applications, and to implement such a system for the Eastern Shore region’s current and proposed sensors, including: evaluate the data quality and reliability of the six sensors deployed in the Eastern Shore region; assess the applicability of the six sensors in the Eastern Shore region for supporting various traffic monitoring and congestion-control strategies; and analyze the data applicability and effectiveness of the proposed 14 more sensors for the Eastern Shore region for traffic monitoring, congestion control, or emergency evaluation, based on their proposed deployment locations. The first product of this study is a set of guidelines for selecting the deployment locations for traffic sensors in the Easter Shore region for different purposes, such as speed monitoring, signal design, or congestion control. The second product is an innovative, multi-stage control model for traffic professionals to efficiently assess the quality of massive speed and flow rate data produced from a deployed detector. Based on the quality assessment results, the responsible maintenance engineers/staff can better classify the operational status of each deployed detector, including “for speed-monitoring only,” “for traffic control and management,” “need to replace with new detector,” and “need a field calibration to improve the detection accuracy.”
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