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Alternative Title:Wavetronix® Smart Sensor Matrix¿ radar stop bar detection.
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Abstract:According to the Federal Highway Administration (FHWA), negotiating intersections is one of the most
complex and demanding tasks that a driver faces. Data shows that in 2007, approximately 2.4 million
intersection-related crashes occurred, representing 40 percent of all reported crashes. Of the 37,435
total fatalities, 8,061 occurred at intersections, equaling 21.5 percent of total deaths (1). Many
transportation agencies have developed solutions such as regulatory signs and electronic traffic control
signals in an effort to reduce these alarming totals and decrease driver confusion.
The Wavetronix® Smart Sensor Matrix™, a radar stop bar detection system was installed at the
intersection of VT 116 and Shelburne Falls Road/CVU Road located at mile marker 5.46 in the town of
Hinesburg on June 15 and 16 of 2011. The purpose of this study is to evaluate the overall
effectiveness of the proprietary Wavetronix SmartSensor MatrixTM
system during varying weather and
traffic stream conditions. Site visits were made and data was collected from before and after the
installation in an effort to compare crash data and safety conditions. The following report summarizes
the construction, performance and observations, and crash data analysis of the intersection.
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