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Evaluation Of Road Weather Information System: Interim Report, Joel M. Weber, R. Clark Graves, Jerry G. Pigman
Evaluation Of Road Weather Information System: Interim Report, Joel M. Weber, R. Clark Graves, Jerry G. Pigman
Kentucky Transportation Center Research Report
The objectives of this study are to monitor and evaluate the Roadway Weather Information System (RWIS). Six RWIS sites have been installed at locations selected by the Kentucky Department of Highways. Each site includes sensors which measure temperature, precipitation, relative humidity, wind speed, pavement temperature, surface condition, and chemical concentration. The data can be accessed remotely using a Windows-based software program. The data are also stored in a central database for future use.
A preliminary reliability study has been completed for five of the sites, and data are being collected for a more extensive reliability assessment. The accuracy of the …