United States Department of Transportation
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TRIS Online Accession Number:01652277
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Edition:Final Report
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Abstract:The main goal of the project was to address barriers that limit NDOTs ability to implement MDSS and MMS systems. The four project tasks included: Task 1: Develop system for tracking sand and/or deicing material usage: A system that tracks where and when salt/sand are used was developed and successfully tested. The system provides NDOT with the ability to track the use of salt/sand materials and provides the plow driver with a visual indicator of when the spreader has run out of salt/sand. Task 2: Develop and deploy MMS data display capability: A web-based map was developed that allows a supervisor to view spread rate as a function of vehicle location. The user selects the specific vehicle and time range on the interface and a webpage is generated showing spread rate on a map overlay. Task 3: Studying the accuracy of the weather and road condition forecasts: A detailed study of at 39 RWIS sites for 4 winter events was conducted. The study showed that the forecasts were accurate (~85%) at predicting no-snow days but were very poor (<50%) at predicting snow events correctly. Task 4: Study and develop technology for mobile freeze point and/or salinity sensors: This task demonstrated the viability of using Raman spectroscopy to determine salt concentrations of 5 chloride and acetate solutions. A proof-of-concept is still required but it is possible to develop a low cost mobile salinity sensor based on the work completed.
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