CGS Road Weather Information System Optimization of road winter maintenance Weather affects all modes of transportation. That is why Road Weather Information System (RWIS) technology provides vital information on pavement and weather conditions needed for roadway maintenance operations.
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RWIS technology is typically used for monitoring snow and ice, but it can also be used for high winds, flooding, or visibility. RWIS enables maintenance and operations personnel to monitor changing weather conditions in real time and make informed and timely decisions.
Features of Road Weather Stations (RWS)
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remote monitoring of atmospheric and road (pavement) weather,
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embedded and contactless road sensors,
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Instalation of an embeded road sensor (Foto: CGS plus d.o.o.)
full range of atmospheric sensors including air temperature, wind, dew point, precipitation, visibility detection, etc., 'opened' system supports sensors of different producers.
Features of Road Weather Information System (RWIS)
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a web-based application offering various displays of current weather conditions at RWS locations,
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displays of the archived data and the metadata on stations and sensors,
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'opened' system supports RWSs of different producers,
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custom-tailored solution, triggering of alarms, high tech and high resolution (time and spatial) road weather forecasts supports maintenance operations, integration of nowcasting products of meteo services, integrates with other ITSs.
Detailed overview of events at a chosen Road Weather Station. (DARS d.d. - RWIS)
Who can benefit from using CGS RWIS?
Road maintenance works during winter 2010 in Slovenia (Foto: CGS plus d.o.o.)
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Road, Airport and Railways maintenance services can significantly reduce maitenance costs, improve safety and responsiveness, and reduce environmental pollution.
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Traffic managers can take better deceisions with help of CGS RWIS.
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Research organisations can use historical data for analysis. Drivers will be safer on the roads and have up to date road information available.
Description of CGS RWIS RWIS and road weather forecast
Road weather information system (RWIS)
The RWIS can be equipped with a reliable energy-balance model for forecasting the temperature and road surface conditions (e.g. dry, moist, wet, frost, ice, snow) with high time and spatial resolution (1km). The users have access to a 12-hour point forecast, which is updated every hour. Nowcasting products of meteo services are integrated.
From the RWS logger, the measurements are transferred by different telecommunications technologies to the central database of the road weather information system (RWIS), which is a web-based application offering various displays of current measurements at RWS locations, displays of the archived data and the metadata on stations and sensors. The application can also trigger alarms. 'Opened' system supports RWSs of different producers and is custom-designed.
Road weather stations (RWS) RWSs are equipped with embedded or contactless road sensors, meteorological sensors, and with digital cameras. Most common measurements on RWS are: road temperature (on surface and in different depth), thickness of water film, salt concentration, freezing point temperature, road condition, air temperature and humidity, dew point, air pressure, amount and type of precipitation, visibility, wind speed and direction. The measurements are stored in the station's logger.
Plans for the future? In the future, our system will offer also a forecast for road sections and modules for management of resources (means of transport, spreading materials, available human resources) and it will thus become an integrated maintenance decision support system (MDSS).
Why do customers decide for CGS RWIS? CGS RWIS is 'opened' system which supports RWSs of different producers. It's custom-tailored solution. High tech and high resolution (time and spatial) road weather forecast supports maintenance operations. CGS RWIS is compatible with nowcasting products of meteo services.
Key Projects: Installed Road Weather Station at mountain pass Predel, Slovenia (Foto: CGS plus d.o.o.)
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Development of RWIS DRSC, Slovenia (2004-2011); Development of RWIS DARS, Slovenia (2007-2011); Development of road weather forecast (Ministry of higher education, science and technology) (2009);
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Forecast for road sections (JAPTI – Public Agency of the Republic of Slovenia for Entrepreneurship and Foreign Investments) (2010);
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INCA Central Europe - Integrated nowcasting system for the Central European area (program Central Europe) (20102013).
Key Publications: CGS plus d.o.o. Innovative IT and Environmental technologies Address: Brnčičeva ulica 13 SI-1000 Ljubljana, Slovenia Contact: Phone: +386 1 530 11 00 Fax: +386 1 530 11 32 Internet: www.cgsplus.si e-mail: info@cgsplus.si
Next Steps in Forecasting Road Surface Temperature and Developing MDSS. ISEP, Ljubljana, 2011. Integrated Road Weather Information Systems in Slovenia. SIRWEC, Quebec, Canada, 2010. Road Weather Information Systems (RWIS) in Slovenia. CETRA 2010, Opatija, Croatia, 2010. A blueprint of the road weather information system. 10th Road and Transportation Congress, Portorož, 2010. Road Weather Forecast in Winter Maintenance Service. ISEP, Ljubljana, 2010.