Wednesday, April 2, 2014

13. Flow maps

http://ops.fhwa.dot.gov/freight/freight_analysis/faf/faf2_reports/reports7/c5_assign.htm
A flow map show the movement of a specific object from one location to another, such as the amount of goods being traded, number of people migrating, flight paths, etc. In this case, the Freight Management and Operations of the U.S. Department of Transportation came up with an estimated annual truck flow (from 2002) to see how the federal highway administration is functioning. This is effective for addressing a variety of methods for transportation as well as determining the highway capacity performance measures and minimize any challenges they have. This flow map technique help indicate what is being moved, direction, source, destination, and general information on how and what is being flowed.

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