Intelligent Transportation Systems (ITS) provide a proven set of strategies for addressing the challenges of assuring safety and reducing congestion while accommodating the growth in transit ridership and freight movement, This report presents information on the performance of deployed ITS under each of these goal areas, as well as information on the costs, deployment levels, and lessons learned regarding ITS deployment and operations. The report, and the collection of four Web-based resources upon which it is based, have been developed by the U.S. DOT's ITS Joint Program Office (JPO) to support informed decision making regarding ITS deployment. This report discusses 17 different areas of ITS application. These chapters are divided into two sections discussing technologies deployed on the transportation infrastructure and those deployed within vehicles. The 14 different infrastructure applications discussed can be grouped into ITS strategies applied to roadways, transit, management and operations of transportation systems, and freight movement. Lessons learned during ITS planning implementation and deployment, are highlighted throughout the report and in a chapter following the review of ITS applications. (Author/publisher)
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