United States Department of Transportation
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Report on dynamic speed harmonization and queue warning algorithm design.
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2014-02-01
[PDF-862.75 KB]
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Abstract:This report provides a detailed description of the algorithms that will be used to generate harmonized recommended speeds and queue warning information in the proposed Intelligent Network Flow Optimization (INFLO) prototype. This document describes the functional requirements, design principles, and constraints controlling the development of enhanced queue warning and speed harmonization algorithms. Also presented in the report are the processes and procedures that are used to format and place the data into the INFLO database where it can be accessed by other components in the prototype. This report also presents the processes and procedures used by the queue warning algorithms to provide both infrastructure-based and vehicle-based queue warnings, how measured road weather condition information will be used to generate recommended link travel speeds appropriate for the prevailing weather conditions, and how harmonized speed recommendations will be derived from infrastructure-based information. Finally, the report also shows how the prototype will use the information produced by the algorithms to generate both infrastructure and vehicle-based warning messages.
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