United States Department of Transportation
i
Caltrans WeatherShare Phase II System: An Application of Systems and Software Engineering Process to Project Development
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2009-08-25
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[PDF-3.52 MB]
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Edition:Final Report
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Abstract:In cooperation with the California Department of Transportation, Montana State University's Western Transportation Institute has developed the WeatherShare Phase II system by applying Systems Engineering and Software Engineering processes. The system aims at improving weather incident recognition and response by providing streamlined access to surface weather data from multiple sources. The WeatherShare Phase II system covers all of California with emphasis on its' more than 16600 miles of state and federal highways. Information is collected from over 3200 surface weather stations from state and national weather sources such as Caltrans Road Weather Information Systems (RWIS), MesoWest, NOAA's Meteorological Assimilation Data Ingest System (MADIS) and the NOAA National Digital Forecast Database (NDFD). Three-level Quality Control (QC) procedures have been implemented to flag questionable sensor readings. Tech Report value-added steps taken include mapping NDFD data to California highway mileposts, and using combinations of data to detect and display alert conditions. The system was designed using a multi-tiered architecture with open source platform. All mapping information is displayed on a layered Google Maps display. The system is accessible at http://www.weathershare.org/. This presentation will provide an overview of the Phase II system, the systems and software engineering processes followed in developing the system, as well as lessons learned in implementation.
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