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IRIS (Intelligent Roadway Information System) is an open-source Advanced Traffic Management System (ATMS) software project developed by the Minnesota Department of Transportation. It is used by transportation agencies to monitor and manage interstate and highway traffic. IRIS uses the GPL license. ==Functional areas== * Variable speed limit monitoring and control * Active traffic management and lane control * Congestion Detection * Automated Warning System (AWS) * Road Weather Information Systems (RWIS) * Dynamic message sign monitoring and control * Ramp meter monitoring and control * Traffic camera monitoring and control * Vehicle Detector Stations (VDS) for monitoring real-time vehicle speed, flow, density * Toll tags * Incident tracking, monitoring, and storage * Data export: real-time traffic, incidents, configuration, etc. * Integrated mapping 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「IRIS (transportation software)」の詳細全文を読む スポンサード リンク
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