Vancouver Area Regional 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
ODOT Region 1 Roadside Equipment	Railroad Wayside Equipment	hri operational status
	Railroad Wayside Equipment	intersection blockage notification
Railroad Wayside Equipment	ODOT Region 1 Roadside Equipment	arriving train information
	ODOT Region 1 Roadside Equipment	track status
	WSDOT SWR Roadside Equipment	arriving train information
	WSDOT SWR Roadside Equipment	track status
WSDOT SWR Roadside Equipment	Railroad Wayside Equipment	hri operational status
	Railroad Wayside Equipment	intersection blockage notification