District of Columbia ITS Architecture

Interface: DDOT TMC and DDOT Drawbridge Equipment

(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	roadway information system data (P) signal control data (P)	DDOT Drawbridge Equipment
DDOT Drawbridge Equipment	field device status (P) signal control status (P) roadway information system status (P) request for right-of-way (P)	DDOT TMC