Improving Visibility of Road Sensors With RFID

Oct 09, 2014The Minnesota Department of Transportation (MnDOT) is employing passive EPC Gen 2 UHF RFID tags to help it better identify the exact locations of the buried sensors it uses to test various road-construction materials and processes. The sensors, which measure strain and pressure levels, are used to test the performance of a variety of roadway materials, mixes and pavement design methods, as part of the agency's MnROAD project. In the past, to determin...