Triangle Region ITS Architecture

IEEE 1609.11: Standard for Wireless Access in Vehicular Environments (WAVE) - Over- the-Air Data Exchange Protocol for Intelligent Transportation Systems (ITS)

Source Element	Destination Element	Flow
Cary Parking Facilities	Vehicle	vehicle payment request
	Vehicle	vehicle payment update
NCTA Connected Vehicle Field Devices	Vehicle	vehicle payment request
	Vehicle	vehicle payment update
NCTA Toll Collection System	Vehicle	vehicle payment request
	Vehicle	vehicle payment update
Raleigh Parking Management System	Vehicle	vehicle payment request
	Vehicle	vehicle payment update
RDU Parking Management System	Vehicle	vehicle payment request
	Vehicle	vehicle payment update
Vehicle	Cary Parking Facilities	vehicle payment information
	NCTA Connected Vehicle Field Devices	vehicle payment information
	NCTA Toll Collection System	vehicle payment information
	Raleigh Parking Management System	vehicle payment information
	RDU Parking Management System	vehicle payment information