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INDIANAPOLIS WIRELESS ATMS

2004 
The Indianapolis Advanced Traffic Management System (ATMS) is part of a statewide intelligent transportation system (ITS) implementation. Known as TrafficWise, the system is being commissioned by the Indiana Department of Transportation. The Indianapolis ATMS will be the largest ITS deployment in the state, covering over 125 miles of expressway in and around the Indianapolis metropolitan area. The system will employ nearly 200 detector stations, 100 cameras, 20 dynamic message signs (DMS), 5 highway advisory radio (HAR) transmitters, and 12 HAR flasher signs. The Indianapolis ATMS is a unique ITS initiative due to two discriminating features: (1) the communication system is almost entirely wireless; and (2) the software automates traffic and incident response messages. These features are designed and implemented to allow the Freeway Service Patrol (FSP) vehicles to operate as "virtual traffic management centers" from anywhere in the system. The system is built on open, fault tolerant, standards-based networks employing Internet Protocol (IP) to transport detector data, streaming video, and other traffic, incident or system information.
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