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Alternative Title:CMFMS effectiveness study
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Edition:Final report; Feb. 1, 2004-Mar. 31, 2006.
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Abstract:A Freeway Management System (FMS) employs various tools to manage a freeway to increase throughput and reduce delay
without additional lanes. The FMS acquires data from the roadway and process these data to identify and respond to
problems. If some aspects of the data are unreliable, then the response decisions will likely be faulty.
This study evaluates the performance of the first phase of the Columbus Metropolitan Freeway Management System
(CMFMS) along roughly 14 miles (22.5 km) of I-70 and I-71. The system became operational at the end of 2001. The tools
developed and the evaluation are intended to both provide a better understanding of the operation of the facility and to help
guide future investments in the CMFMS and other FMSs.
The initial objective of this study was to evaluate the performance of the CMFMS. In the course of the evaluation this effort
developed calibration tools and performance measures that should also prove useful for ongoing operations. The study
specifically develops a suite of performance monitoring tools both to assess the performance of instrumented freeways and the
reliability of the surveillance system. It also provides a comprehensive overview of the given traffic monitoring system for
practitioners, allowing them to optimize the system. In the course of this work we integrated information from many sources
to meet multiple objectives for system management and monitoring. Although presented in the context of the Columbus
system, the tools should be generalizable to most freeway surveillance systems.
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