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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