United States Department of Transportation
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The Application of Unmanned Aerial Systems In Surface Transportation - Volume II- C: Evaluation of UAS Highway Speed-Sensing Application
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2019-12-01
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[PDF-2.17 MB]
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Edition:Final Report, April 2018 - December 2019
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Abstract:This project explored the use of UAS as a traffic data collection tool as compared to traditional speed data collection instruments on roadways through a field study. Previous literature found that UAS are being utilized for survey work and are new devices used in the field of traffic data collection. Using the data collected in the field and a literature review, a methodology was developed to understand the accuracy of the data and how it may be useful in the speed-limit setting process. Two studies were completed to understand the accuracy and cost of using UAS as compared to traditional methods: one for volume data collection and another for speed data collection. Using UAS and video processing, our method was found to have a count accuracy of93% on average. Further, the speed data collection using our developed method had a relative error on average of 6.6%. For the speed-limit setting process, more detailed speed data may be required. Compared to traditional methods, our developed method has a similar up front monetary cost of equipment. Thus, UAS on medium to high volume roadways have the potential to be more time-cost effective than traditional methods.
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