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Abstract:Real-time transportation system information is a critical element in the development of Intelligent Transportation Systems (ITS). The Rhode Island Department of Transportation (RIDOT) is in the process of developing a fully integrated intelligent transportation system. This system is composed of the following: a transportation management center (TMC), dynamic messaging signs (DMS); closed-circuit television (CCTV) cameras accompanied by video imaging process systems; and highway advisory radio (HAR). RIDOT plans to have the capability in the near future of monitoring and controlling several closed loop signalization systems, particularly alternate routes during an incident. To make this a reality, research is needed to ensure that the appropriate transportation data is captured and developed, as well as an appropriate information system is developed. This project's goal was to ensure the following: (1) that appropriate real-time operating conditions data are captured and developed automatically into a user-friendly format stipulating travel time or speed; and (2) that a real-time information system prototype is developed that supports monitoring, warehousing/mining, and concurrent access of data via the web; and (3) that an integrated system combines and extends the existing stand-alone systems. References, 8 figures, 11 tables; 33 p. (669 kb)
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