District of Columbia ITS Architecture

Interface: Regional Electronic Toll System and Regional Electronic Toll Administration

(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
Regional Electronic Toll System	toll transactions (P)	Regional Electronic Toll Administration
Regional Electronic Toll Administration	toll instructions (P)	Regional Electronic Toll System