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Author:
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Category :
Languages : en
Pages :
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Book Description
The Freight Analysis Framework (FAF) integrates data from a variety of sources to create a comprehensive national picture of freight movements among states and major metropolitan areas by all modes of transportation. It provides a national picture of current freight flows to, from, and within the United States, assigns the flows to the transportation network, and projects freight flow patterns into the future. The FAF4 is the fourth database of its kind, FAF1 provided estimates for truck, rail, and water tonnage for calendar year 1998, FAF2 provided a more complete picture based on the 2002 Commodity Flow Survey (CFS) and FAF3 made further improvements building on the 2007 CFS. Since the first FAF effort, a number of changes in both data sources and products have taken place. The FAF4 flow matrix described in this report is used as the base-year data to forecast future freight activities, projecting shipment weights and values from year 2020 to 2045 in five-year intervals. It also provides the basis for annual estimates to the FAF4 flow matrix, aiming to provide users with the timeliest data. Furthermore, FAF4 truck freight is routed on the national highway network to produce the FAF4 network database and flow assignments for truck. This report details the data sources and methodologies applied to develop the base year 2012 FAF4 database. An overview of the FAF4 components is briefly discussed in Section 2. Effects on FAF4 from the changes in the 2012 CFS are highlighted in Section 3. Section 4 provides a general discussion on the process used in filling data gaps within the domestic CFS matrix, specifically on the estimation of CFS suppressed/unpublished cells. Over a dozen CFS OOS components of FAF4 are then addressed in Section 5 through Section 11 of this report. This includes discussions of farm-based agricultural shipments in Section 5, shipments from fishery and logging sectors in Section 6. Shipments of municipal solid wastes and debris from construction and demolition activities are covered in Section 7. Movements involving OOS industry sectors on Retail, Services, and Household/Business Moves are addressed in Section 8. Flows of OOS commodity on crude petroleum and natural gas are presented in Sections 9 and 10, respectively. Discussions regarding shipments of foreign trade, including trade with Canada/Mexico, international airfreight, and waterborne foreign trade, are then discussed in Section 11. Several appendices are also provided at the end of this report to offer additional information.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
The Freight Analysis Framework (FAF) integrates data from a variety of sources to create a comprehensive national picture of freight movements among states and major metropolitan areas by all modes of transportation. It provides a national picture of current freight flows to, from, and within the United States, assigns the flows to the transportation network, and projects freight flow patterns into the future. The FAF4 is the fourth database of its kind, FAF1 provided estimates for truck, rail, and water tonnage for calendar year 1998, FAF2 provided a more complete picture based on the 2002 Commodity Flow Survey (CFS) and FAF3 made further improvements building on the 2007 CFS. Since the first FAF effort, a number of changes in both data sources and products have taken place. The FAF4 flow matrix described in this report is used as the base-year data to forecast future freight activities, projecting shipment weights and values from year 2020 to 2045 in five-year intervals. It also provides the basis for annual estimates to the FAF4 flow matrix, aiming to provide users with the timeliest data. Furthermore, FAF4 truck freight is routed on the national highway network to produce the FAF4 network database and flow assignments for truck. This report details the data sources and methodologies applied to develop the base year 2012 FAF4 database. An overview of the FAF4 components is briefly discussed in Section 2. Effects on FAF4 from the changes in the 2012 CFS are highlighted in Section 3. Section 4 provides a general discussion on the process used in filling data gaps within the domestic CFS matrix, specifically on the estimation of CFS suppressed/unpublished cells. Over a dozen CFS OOS components of FAF4 are then addressed in Section 5 through Section 11 of this report. This includes discussions of farm-based agricultural shipments in Section 5, shipments from fishery and logging sectors in Section 6. Shipments of municipal solid wastes and debris from construction and demolition activities are covered in Section 7. Movements involving OOS industry sectors on Retail, Services, and Household/Business Moves are addressed in Section 8. Flows of OOS commodity on crude petroleum and natural gas are presented in Sections 9 and 10, respectively. Discussions regarding shipments of foreign trade, including trade with Canada/Mexico, international airfreight, and waterborne foreign trade, are then discussed in Section 11. Several appendices are also provided at the end of this report to offer additional information.
Author: Rosa Maria Benito
Publisher: Springer Nature
ISBN: 3030934098
Category : Technology & Engineering
Languages : en
Pages : 896
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Book Description
This book highlights cutting-edge research in the field of network science, offering scientists, researchers, students, and practitioners a unique update on the latest advances in theory and a multitude of applications. It presents the peer-reviewed proceedings of the X International Conference on Complex Networks and their Applications (COMPLEX NETWORKS 2021). The carefully selected papers cover a wide range of theoretical topics such as network models and measures; community structure, network dynamics; diffusion, epidemics and spreading processes; resilience and control as well as all the main network applications, including social and political networks; networks in finance and economics; biological and neuroscience networks, and technological networks.
Author: Richard Fullenbaum
Publisher:
ISBN:
Category : Freight and freightage
Languages : en
Pages : 70
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Book Description
This technical report accompanies the 2012 base-year Freight Analysis Framework Forecasts (FAF4) submitted to the FHWA Office of Freight Management and Operations. The technical report outlines the data and methodology employed to develop freight forecasts using the 2012 base-year FAF data for 2013, 2014, 2015, 2016, and longterm forecasts in five-year increments from 2020 to 2045. This report also analyzes the resulting FAF4 forecasts, summarizing the observed trends and the outlook for domestic, imported, and exported goods movement for the United States. Included are detailed breakdowns by major commodity class and, for international trade, by key trade region. Three scenarios driven by different macroeconomic assumptions are analyzed and presented.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 26
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Book Description
The Freight Analysis Framework (FAF) integrates data from a variety of sources to create a comprehensive picture of nationwide freight movements among states and major metropolitan areas for all modes of transportation. It provides a national picture of current freight flows to, from, and within the United States, assigns selected flows to the transportation network, and projects freight flow patterns into the future. The latest release of FAF is known as FAF4 with a base year of 2012. The FAF4 origin-destination-commodity-mode (ODCM) matrix is provided at national, state, major metropolitan areas, and major gateways with significant freight activities (e.g., El Paso, Texas). The U.S. Department of Energy (DOE) is interested in using FAF4 database for its strategic planning and policy analysis, particularly in association with the transportation of energy commodities. However, the geographic specification that DOE requires is a county-level ODCM matrix. Unfortunately, the geographic regions in the FAF4 database were not available at the DOE desired detail. Due to this limitation, DOE tasked Oak Ridge National Laboratory (ORNL) to assist in generating estimates of county-level flows for selected energy commodities by mode of transportation.
Author: C. Michael Walton
Publisher:
ISBN:
Category : Data dictionaries
Languages : en
Pages : 168
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Book Description
"TRB's National Cooperative Freight Research Program (NCFRP) Report 35: Implementing the Freight Transportation Data Architecture: Data Element Dictionary provides the findings of the research effort to develop a freight data dictionary for organizing the myriad freight data elements currently in use. A product of this research effort is a web-based freight data element dictionary hosted by the U.S. Department of Transportation's Bureau of Transportation Statistics (BTS). The project web page includes a link to supporting appendices not printed with the report." --
Author: Christopher Francis Lindsey
Publisher:
ISBN:
Category :
Languages : en
Pages : 265
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Book Description
Author:
Publisher:
ISBN:
Category : Freight and freightage
Languages : en
Pages : 58
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Book Description
Author: Andrew Berthaume
Publisher:
ISBN:
Category : Freight and freightage
Languages : en
Pages : 0
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Book Description
"Abstract: This report summarizes a 1-day workshop held to discuss national multimodal freight analysis framework (FAF) research. Participants discussed the state of the art, primary gaps in current capabilities, and strategies for addressing these gaps, particularly in the areas of multimodal freight networks, freight-demand modeling, and origin-destination data disaggregation. The workshop was designed to identify a set of topics for further research and to ultimately inform the development of the FAF version 4, scheduled for release in late 2015, and beyond. The objectives of the workshop were to understand the nature and purpose of FAF, outline a vision for the next generation of freight analysis, agree on primary gaps in current capabilities, and create a game plan to address gaps. Expert speakers presented historical background of the FAF, as well as perspectives on the state of the art in three specialized topics covered in focused sessions."--Technical report documentation page.
Author: Salah Uddin Momtaz
Publisher:
ISBN:
Category :
Languages : en
Pages : 128
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Book Description
Eventually, we conducted a sensitivity analysis of the parameterization by evaluating the model structure for different numbers of intermediate stops in a route and/or the number of available routes for the origin-destinations.
Author: National Research Council (U.S). Committee on Freight Transportation Data: a Framework for Development
Publisher: Transportation Research Board
ISBN: 0309085705
Category : Freight and freightage
Languages : en
Pages : 130
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Book Description
Calls upon the Department of Transportation and its Bureau of Transportation Statistics to take the lead in coordinating freight data collection in the US. This work focuses on increasing the linkages between sources of data and filling data gaps to develop a source of timely and reliable data on freight flows. A national framework is needed.
