Multimodal freight project prioritization.
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2014-05-01
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Abstract:As available data has increased and as the national transportation funding bills have moved toward
objective evaluation, departments of transportation (DOTs) throughout the country have begun to
develop tools to measure the impacts of different projects. Increasingly, DOTs recognize the freight
transportation system is necessarily multimodal. However, few DOTs have clearly stated objective
tools to make multimodal freight project comparisons. This report informs that gap by summarizing
the existing academic literature on the state of the science for freight project impact estimation and
reviewing methods currently used by select DOTs nationwide. These methods are analyzed to identify
common themes and determine potential avenues for multimodal project evaluation. Most methods
either take the form of benefit-cost analysis or a scorecard approach. Examples of each were reviewed
in-depth and patterns evaluated. While most tools use similar measures, the supporting metrics vary
widely and are not applicable to all modes.
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