Signal phase and timing (SPaT) applications, communications requirements, communications technology potential solutions, issues and recommendations.
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2012-04-01
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NTL Classification:NTL-OPERATIONS AND TRAFFIC CONTROLS-OPERATIONS AND TRAFFIC CONTROLS;NTL-INTELLIGENT TRANSPORTATION SYSTEMS-INTELLIGENT TRANSPORTATION SYSTEMS;NTL-SAFETY AND SECURITY-Highway Safety;
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Abstract:This report addresses communications to support safety applications specifically aimed at improving safety for mobile entities (vehicles, pedestrians, bicycles etc.) at signalized intersections. Collectively these applications are referred to as Signal Phase and Timing (SPaT) applications based on the (SPaT) messages used to convey the state of the signals at the intersection. SPaT applications support not only safety, but also support enhanced mobility and improved traffic flow (reduced congestion) caused by reduced incidents at intersections. Reduced congestion further has a positive impact on the environment by reducing fuel consumption.
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