District of Columbia ITS Architecture - IEEE 1570-2002: Standard for the Interface Between the Rail Subsystem and the Highway Subsystem at a Highway Rail Intersection

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
DDOT Street Car Field Equipment	DDOT Traffic Signals	track status
DDOT Traffic Signals	DDOT Street Car Field Equipment	hri operational status