CMAP ITS Architecture v4.0

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

Source Element	Destination Element	Flow
City of Chicago OEMC Field Equipment	City of Chicago TMC	rail crossing blockage notification
	Metra Wayside Equipment	rail crossing operational status
Cook County Department of Transportation and Highways Field Equipment	Cook County TMC	rail crossing blockage notification
DuPage County Field Equipment	DuPage County TMC	rail crossing blockage notification
	Metra Wayside Equipment	rail crossing operational status
Grundy County Field Equipment	Grundy County TMC	rail crossing blockage notification
IDOT District 1 Bureau of Traffic – Arterial Operations Field Equipment	IDOT District 1 Bureau of Traffic – Arterial Signal Operations	rail crossing blockage notification
	Metra Wayside Equipment	rail crossing operational status
Kane County Field Equipment	Kane County TMC	rail crossing blockage notification
Kendall County Field Equipment	Kendall County TMC	rail crossing blockage notification
	Metra Wayside Equipment	rail crossing operational status
McHenry County Field Equipment	McHenry County TMC	rail crossing blockage notification
Metra Wayside Equipment	City of Chicago OEMC Field Equipment	track status
	Cook County Department of Transportation and Highways Field Equipment	track status
	DuPage County Field Equipment	track status
	Grundy County Field Equipment	track status
	IDOT District 1 Bureau of Traffic – Arterial Operations Field Equipment	track status
	Kane County Field Equipment	track status
	Kendall County Field Equipment	track status
	Lake County Field Equipment	track status
	McHenry County Field Equipment	track status
	Will County Division of Transportation Field Equipment	track status
Will County Division of Transportation Field Equipment	Will County TMC	rail crossing blockage notification