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Evaluation Of Road Weather Information System, Joel M. Weber, R. Clark Graves, Jerry G. Pigman
Evaluation Of Road Weather Information System, Joel M. Weber, R. Clark Graves, Jerry G. Pigman
Kentucky Transportation Center Research Report
The objectives of this study were to monitor and evaluate the Kentucky Transportation Cabinet's Road Weather Information System (RWIS). Six systems were installed and all became operational in November 1997. 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. The accuracy of the system was evaluated through comparison of atmospheric data with airport data and through site observations of surface condition, pavement temperature, and air temperature. The …