District of Columbia ITS Architecture

Interface: DDOT PTSA and DDOT PTSA Customer Information System

(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 PTSA	transit and fare schedules (P) demand responsive transit plan (P)	DDOT PTSA Customer Information System
DDOT PTSA Customer Information System	transit information request (P) selected routes (P) demand responsive transit request (P)	DDOT PTSA