The Gary-Chicago-Milwaukee (GCM) Corridor is one of four national "Priority Corridors" as designated by the United States Department of Transportation (USDOT) under the Intermodal Surface Transportation Efficiency Act (ISTEA) of 1991. The first comprehensive corridor-wide architecture has been developed in conjunction with the 2001 Corridor Program Plan Update. This corridor-wide architecture is a culmination of several completed and ongoing architecture efforts within the corridor. The mission for the GCM Corridor Intelligent Transportation Systems (ITS) Architecture is to develop an open and integrated ITS architecture for the GCM Corridor that will support existing and future GCM projects and enhance compatibility of existing architectures within the GCM Corridor and emerging national ITS architecture.
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