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FACTORS AFFECTING INCIDENT DETECTION
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35 incidents 5-Minute Time Base ALARMS DURING PEAK automatic incident detection California Model capable of detecting capacity flow wave Composite Model computer algorithm response computer response congested queue control variable criterion critical DETECTED DURING MODERATE detected the incident detecting incidents Dudek duration of incident evaluated false alarm rate freeway corridor freeway incident freeway lane freeway operation frequency distributions frontage road given sensor spacings Gulf Freeway heavy flow incident conditions incident detection algorithm incident detection models incident detection system Incident Duration incidents blocking kinetic energy lane occupancy Lodge Freeway Lombardy maximum sensor spacing minutes model detected moderate and heavy OPERATING SPEED PEAK HOUR CONDITIONS percent false alarm percent of incidents PERCENTAGE OF FALSE Performance Curves PROGRAM ramp metering reduced sensor spacing requirements sensor station shock wave travel SND model speed prior standard deviation STANDARD NORMAL DEVIATE Station Discontinuity successive SND values Texas Transportation Institute threshold values urban freeways