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U.S.
Department of Transportation
Federated Data
Environments
Arterial
Data Environments
Freeway
Data Environment
![C:\Documents and Settings\m23505\Local Settings\Temporary Internet Files\Content.IE5\M1K5RSTB\MCDD01775_0000[1].wmf](slide0431_image077.gif)
![C:\Documents and Settings\m23505\Local Settings\Temporary Internet Files\Content.IE5\M1K5RSTB\MCDD01775_0000[1].wmf](slide0431_image078.gif)
![C:\Documents and Settings\m23505\Local Settings\Temporary Internet Files\Content.IE5\M1K5RSTB\MCDD01775_0000[1].wmf](slide0431_image079.gif)
![C:\Documents and Settings\m23505\Local Settings\Temporary Internet Files\Content.IE5\M1K5RSTB\MCDD01775_0000[1].wmf](slide0431_image080.gif)
![C:\Documents and Settings\m23505\Local Settings\Temporary Internet Files\Content.IE5\M1K5RSTB\MCDD01775_0000[1].wmf](slide0431_image081.gif)
![C:\Documents and Settings\m23505\Local Settings\Temporary Internet Files\Content.IE5\M1K5RSTB\MCDD01775_0000[1].wmf](slide0431_image082.gif)
Regional
Data Environment
Corridor
Data
Environment
•Federated Data Systems
–Decentralized
–Virtual
–Independent
–Heterogeneous
–Systematic data exchange among federated
environments
•Each data environment
supports a specific level of system control/decision
–For example, geographic (figure)
–Might also be functional
or jurisdictional,
other