Interface: Des Moines Area Pedestrians - Des Moines Area Rail Operators Rail Crossing ITS Equipment
![Des Moines Area Pedestrians to Des Moines Area Rail Operators Rail Crossing ITS Equipment Interface Diagram](../../images/ifs/if30-303.png)
Information Flow Definitions
crossing permission (Existing)
Information provided to guide and warn pedestrians at crossings including crossing request acknowledgment, current crossing permission, crossing time remaining, and real–time warnings of safety threats.