Identifying the Onset of Congestion Rapidly with Existing Traffic Detectors

Benjamin Coifman

Institute of Transportation Studies, Research Reports, Working Papers, Proceedings from Institute of Transportation Studies, UC Berkeley

Abstract: From an operations standpoint, the most important task of a traffic surveillance system is determining reliably whether the facility is free flowing or congested. The second most important task is responding rapidly when the facility becomes congested. Other tasks, such as quantifying the magnitude of congestion, are desirable, but tertiary. To address the first two tasks, this paper presents a new approach for traffic surveillance using existing detectors. Rather than expending a considerable effort to detect congested conditions, the research employs a relatively simple strategy to look for free flow traffic. The work should prove beneficial for traffic management and traveler information applications and it promises to be deployable in the short term. Keywords: traffic surveillance, loop detectors, travel time measurement, vehicle reidentification, Congested traffic

Keywords: Automatic incident detection; Traffic congestion; Detectors; Traffic flow--Mathematical models (search for similar items in EconPapers)
Date: 1999-11-01
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Citations: View citations in EconPapers (1)

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