Enhanced freight sketch planning tool for assessing multimodal investment strategies.
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2006-09-01
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Abstract:In recent years, there have been dramatic changes in the volume and movement of freight within the ; US and internationally. Traditional distribution systems have been replaced by just-in-time driven ; processes and freight transportation patterns have become much more complex. Innovations in ; containerization as well as changes in trade geography have directly influenced international trade ; movements. NAFTA and the deregulation of rail, trucking and air in the latter part of the twentieth ; century also had a large impact on freight movement. Given these changes, it has become increasingly ; necessary for transportation planners to look to modes other than traditional highways as solutions for ; congestion and other transportation problems. However, public agencies have been challenged to ; demonstrate and contrast the benefits of these modal investments with traditional highway spending. ; During the first phase of the research a spreadsheet based tool, entitled Multimodal Analysis Freight ; Tool (MAFT) was developed to quantify and evaluate the benefits associated with multimodal freight ; investments. However, the tool needed to be further developed to accurately account for the rail and ; barge components and data regarding these modes was not readily available during the first phase of the ; project. This study addresses that issue as well as develops and analyzes a case study involving the rail ; mode and one involving the barge mode using MAFT. Additionally, given the uncertainty of assumptions ; made in the tool, a sensitivity analysis to determine the critical input values is needed. A critical ; examination of the output from several case studies was studied to determine the overall effect of these ; factors on the results. An assessment of the oversimplifications in the tool, due to its sketch planning ; nature, was undertaken and possible solutions identified.
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Main Document Checksum:urn:sha256:0e4f0e825c57a7d6a7858930881f3874367ee873d541b1324b31276cdad293fd