District of Columbia ITS Architecture

Interface: MDSHA CHART Centers and DDOT PTSA

(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
MDSHA CHART Centers	transit demand management request (P) request transit information (P)	DDOT PTSA
DDOT PTSA	transit system data (P) transit demand management response (P)	MDSHA CHART Centers