2018 Arizona Statewide ITS Architecture

IEEE 1570-2002: Standard for the Interface Between the Rail Subsystem and the Highway Subsystem at a Highway Rail Intersection

Source Element	Destination Element	Flow
ADOT ITS Field Equipment	ADOT Roadside Comm Equipment	rail crossing operational status
	Rail Grade Wayside Warning Systems	rail crossing operational status
ADOT Mainline Detection	ADOT Roadside Comm Equipment	rail crossing operational status
ADOT Roadside Comm Equipment	ADOT ITS Field Equipment	track status
	ADOT Mainline Detection	track status
	Rail Grade Wayside Warning Systems	rail crossing operational status
	Rail Grade Wayside Warning Systems	track status
Cities and Towns ITS Field Equipment	Cities and Towns Train Wayside Alert	rail crossing operational status
	Cities and Towns Weather Flood Alerts	track status
Cities and Towns Train Wayside Alert	Cities and Towns ITS Field Equipment	track status
	Rail Grade Wayside Warning Systems	track status
Cities and Towns Weather Flood Alerts	Cities and Towns ITS Field Equipment	rail crossing operational status
County ITS Field Equipment	Rail Grade Wayside Warning Systems	rail crossing operational status
Rail Grade Wayside Warning Systems	ADOT ITS Field Equipment	track status
	ADOT Roadside Comm Equipment	rail crossing operational status
	ADOT Roadside Comm Equipment	track status
	Cities and Towns Train Wayside Alert	rail crossing operational status
	County ITS Field Equipment	track status
	Tribal ITS Field Equipment	track status
Tribal ITS Field Equipment	Rail Grade Wayside Warning Systems	rail crossing operational status