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1. WHAT IS THE DIFFERENCE BETWEEN THE FREIGHT ANALYSIS FRAMEWORK (FAF) AND THE COMMODITY FLOW SURVEY (CFS)?
The CFS primarily covers the mining, manufacturing, and wholesale sectors. FAF is comprehensive and integrates additional data to estimate volumes of shipments from industries that are not covered by the CFS, including foreign trade. The CFS provides the building blocks for the FAF:
About the Freight Analysis Framework
The Freight Analysis Framework (FAF), produced through a partnership between BTS and FHWA, integrates data from a variety of sources to create a comprehensive picture of freight movement among states and major metropolitan areas by all modes of transportation. Starting with data from the Commodity Flow Survey (CFS) and international trade data from the Census Bureau, FAF incorporates data from agriculture, extraction, utility, construction, service, and other sectors.