United States Department of Transportation
i
Simplified web-based decision support method for traffic management and work zone analysis.
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2015-06-01
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Abstract:Traffic congestion mitigation is one of the key challenges that transportation planners and operations engineers face when
planning for construction and maintenance activities. There is a wide variety of approaches and methods that address work
zone impacts, starting with simple equations, over spreadsheets and deterministic methods, to high-level computer simulation
software. Some of the widely used tools include CA4PRS, QuickZone, and VISUM. However, every model has its own
limitations and assumptions that are dictated by the applied computational technique. These analysis tools may not fully
capture the dynamic nature of drivers‟ responses to traffic management techniques and significant changes in the
transportation network. In this case, performing analyses with a Dynamic Traffic Assignment (DTA) engine, or a similar
traffic estimation method, may meet this need while providing additional analysis details (e.g. network, path, OD, and link
analyses) for local engineers to justify their decisions/actions. At the same time, technical expertise, data management, and
software licensing often become significant barriers for incorporating this type of analysis into every-day operations. This
research presents a DTA based tool that is designed to overcome the existing limitations in work zone simulation and analysis.
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