Xia, Tian; Byung Lee
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An important part of transportation asset management is inventory management of roadside infrastructure such as traffic signs. Developing and maintaining an inventory of roadside signs can support tracking of associated attributes such as measured retroreflectivity. Researchers in Vermont assessed an approach using passive radio frequency identification (RFID), a wireless tracking technology, for transportation signage management. The tested technology utilizes a reader to wirelessly read a radio frequency tag attached to, or embedded in, an object. In July 2019, this asset management system was tested on Vermont State Route 63 and on the University of Vermont (UVM) campus in Burlington. The testing process used a total of 32 RFID tags attached to traffic signs or guard rails and an RFID reader mounted on a survey vehicle. The system performed the RFID tag interrogation while researchers drove the survey vehicle past the signs during field tests, and the performance in successfully reading the tags was evaluated under varying configurations and speeds.

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The University of Vermont for Vermont Agency of Transportation
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Radio Frequency Identification (RFID) Technology for Transportation Signage Management
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