United States Department of Transportation
i
Incorporating Intelligent Transportation Systems into Planning Analysis: Summary of Key Findings from a Seattle 2020 Case Study: Improving Travel Time Reliability with ITS
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2002-05-01
[PDF-1.15 MB]
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Abstract:ITS is typically considered an operational detail to be worked out after infrastructure planning is complete. This approach ignores the potential for the introduction of ITS to change the decisions made during infrastructure planning, or even the overall type of system chosen. To address these issues, a transferable methodology has been developed for public sector investment that facilitated quantitative evaluations of projected ITS costs and benefits in concert with various conventional improvements. The methodology is called the Process for Regional Understanding and Evaluation of Integrated ITS Networks (PRUEVIIN), pronounced "proven." The feasibility and capabilities of an analysis based on the PRUEVIIN methodology were demonstrated with a case study analysis of a broad freeway corridor within the Seattle, Washington metropolitan region. A variety of realistic alternative solutions for the target year 2020 were analyzed, each representing different combinations of conventional and ITS components. The alternatives assessed were not tied to actual Seattle area decision-making. However, planners and traffic engineers from the region reviewed the alternatives and found them to be plausible. This report summarizes the key findings from the Seattle case study and the development of the PRUEVIIN methodology.
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