United States Department of Transportation
i
2007 Commodity Flow Survey Methodology
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2017-01-25
[PDF-123.69 KB]
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Abstract:The primary objective of the 2007 CFS was to estimate shipping volumes (value, tons, and ton-miles) by commodity and mode of transportation at various levels of geographic detail. Another objective was to estimate the volume of shipments moving from one geographic area to another (i.e., flows of commodities between states, regions, etc.) by mode and commodity. A detailed description of the survey coverage and sample design of the 2007 CFS is provided in this Methodology document.
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