District of Columbia ITS Architecture - IEEE 1455-1999: Standard for Message Sets for Vehicle/Roadside Communications

IEEE 1455-1999: Standard for Message Sets for Vehicle/Roadside Communications

Source Element	Destination Element	Flow
Commercial Vehicles	CV Roadside Credentialing Systems	screening event record
Commercial Vehicles	DDOT CV Safety Roadside Inspection Operations	screening event record
CV Roadside Credentialing Systems	Commercial Vehicles	electronic screening request
	Commercial Vehicles	pass/pull-in
	Commercial Vehicles	screening event record
DDOT CV Safety Roadside Inspection Operations	Commercial Vehicles	electronic screening request
	Commercial Vehicles	pass/pull-in
	Commercial Vehicles	screening event record
Private Traveler Vehicles	Regional Electronic Toll System	vehicle payment information
Regional Electronic Toll System	Private Traveler Vehicles	vehicle payment request
Regional Electronic Toll System	Private Traveler Vehicles	vehicle payment update