District of Columbia ITS Architecture

Interface: DDOT TMC and HSEMA Center

(E) = Existing Flow
(P) = Planned/Future Flow
(E/P) = Existing and Planned Flow - Flow appears as Existing and Planned

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Source	Architecture Flows	Destination
DDOT TMC	road network status assessment (P) emergency traffic control information (P) emergency plan coordination (P) alert notification coordination (P) maint and constr work plans (P) current asset restrictions (P) work zone information (P) event coordination_ud (P) maint and constr resource response (P) resource deployment status (P) incident information (P) traffic information coordination (E) road network conditions (E/P)	HSEMA Center
HSEMA Center	evacuation information (P) transportation system status (P) emergency traffic control request (P) emergency plan coordination (P) alert notification coordination (P) event coordination_ud (P) maint and constr resource request (P) resource request (P) incident response status (P) incident information (P) traffic information coordination (E)	DDOT TMC