Triangle Region ITS Architecture

SRC-Legacy: Legacy Short Range Comm Using IEEE 1455

Source Element	Destination Element	Flow
Cary Connected Vehicle Field Devices	Cary Traffic Signals	intersection status monitoring
Cary Fire/Rescue Vehicles	Cary Traffic Signals	local signal preemption request
Cary Parking Facilities	Vehicle	vehicle payment request
	Vehicle	vehicle payment update
Chapel Hill Transit Fixed Route Vehicles	Chapel Hill Traffic Signals	local signal priority request
Durham Fire Department Vehicles	Durham Traffic Signals	local signal preemption request
GoCary Fixed Route Vehicles	Cary Traffic Signals	local signal priority request
GoDurham Fixed Route Transit Vehicles	Durham Traffic Signals	local signal priority request
GoRaleigh Transit Vehicles	Local Traffic Signals	local signal priority request
	Raleigh Traffic Signals	local signal priority request
GoTriangle Transit Vehicles	Cary Traffic Signals	local signal priority request
	Raleigh Traffic Signals	local signal priority request
Local CV Roadside Equipment	Local Traffic Signals	intersection status monitoring
Local Fire/EMS Vehicles	Chapel Hill Traffic Signals	local signal preemption request
	Local Traffic Signals	local signal preemption request
NCDOT CV Roadside Equipment	NCDOT Traffic Signals	intersection status monitoring
NCTA Toll Collection System	Vehicle	vehicle payment request
	Vehicle	vehicle payment update
Raleigh Fire Department/EMS Vehicles	Raleigh Traffic Signals	local signal preemption request
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 Toll Collection System	vehicle payment information
	Raleigh Parking Management System	vehicle payment information
	RDU Parking Management System	vehicle payment information
Wolfline Transit Vehicles	Raleigh Traffic Signals	local signal priority request