Triangle Region ITS Architecture

IEEE 1570: Standard for the Interface Between the Rail Subsystem and the Highway Subsystem at a Highway Rail Intersection

Source Element	Destination Element	Flow
Cary Traffic Signals	GoTriangle Rail Wayside Equipment	rail crossing operational status
	NCDOT Rail Division Wayside Equipment	rail crossing operational status
Chapel Hill Traffic Signals	GoTriangle Rail Wayside Equipment	rail crossing operational status
	NCDOT Rail Division Wayside Equipment	rail crossing operational status
	Rail Wayside Equipment	rail crossing operational status
Durham Traffic Signals	GoTriangle Rail Wayside Equipment	rail crossing operational status
	NCDOT Rail Division Wayside Equipment	rail crossing operational status
	Rail Wayside Equipment	rail crossing operational status
GoTriangle Rail Wayside Equipment	Cary Traffic Signals	track status
	Chapel Hill Traffic Signals	track status
	Durham Traffic Signals	track status
	Local Traffic Signals	track status
	NCDOT Traffic Signals	track status
	Raleigh Traffic Signals	track status
Local Traffic Signals	GoTriangle Rail Wayside Equipment	rail crossing operational status
	NCDOT Rail Division Wayside Equipment	rail crossing operational status
	Rail Wayside Equipment	rail crossing operational status
NCDOT Rail Division Wayside Equipment	Cary Traffic Signals	track status
	Chapel Hill Traffic Signals	track status
	Durham Traffic Signals	track status
	Local Traffic Signals	track status
	NCDOT Traffic Signals	track status
	Raleigh Traffic Signals	track status
NCDOT Traffic Signals	GoTriangle Rail Wayside Equipment	rail crossing operational status
	NCDOT Rail Division Wayside Equipment	rail crossing operational status
	Rail Wayside Equipment	rail crossing operational status
Rail Wayside Equipment	Chapel Hill Traffic Signals	track status
	Durham Traffic Signals	track status
	Local Traffic Signals	track status
	NCDOT Traffic Signals	track status
	Raleigh Traffic Signals	track status
Raleigh Traffic Signals	GoTriangle Rail Wayside Equipment	rail crossing operational status
	NCDOT Rail Division Wayside Equipment	rail crossing operational status
	Rail Wayside Equipment	rail crossing operational status