FAF4 Version Descriptions
- Version 4.5.1 (December 17, 2019)
- Release of 2018 annual data and minor updates to 2015-2017.
- Version 4.5 (January 22, 2019)
- Final corrections to base year (2012) and forecast years (2020-2045).
- Improvements to annual data process, mostly for origin-commodity inputs.
- Release of 2017 annual data and updates to 2013-2016.
- Version 4.4.1 (June 18, 2018)
- Initial release of annual data developed by BTS, with data for 2013-2016.
- Version 4.4 (July 13, 2017)
- Release of historical data for previous base years (1997,2002, and 2007) according to FAF4 standards.
- Version 4.3.1 (March 1st, 2017)
- Release of updated Network Flow Assignments, based on FAF4.3
- Release of distance bands.
- Version 4.3 (December 29, 2016)
- Release of ton-miles for all years.
- Release of current-dollar values for 2013-2015.
- Improved estimates for domestic flows of crude oil.
- Version 4.2.1 (November 1, 2016)
- Release of FAF4 Network Database and Flow Assignments for 2012 and 2045.
- Version 4.2 (August 15, 2016)
- Corrections to domestic flows that were geographically incompatible with the water mode.
- Corrections of entry/exit points for some foreign trade flows.
- Version 4.1 (February 24, 2016)
- Foreign Trade data directly from the Census Bureau that is based on dimensions of port, state, and commodity integrated into regional data for 2012.
- Imports and exports validated for feasible points of entry or exit.
- Regional forecast data for the years 2020 - 2045 in five year increments released, including high-growth and low-growth scenarios.
- Regional annual data for 2013 - 2015 released.
- Version 4.0 (October 14, 2015)
- Regional (origin-destination-commodity-mode) data for 2012 released.