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 |
|---|---|---|
| MTA LIRR Wayside Equipment | NYC DOT Field Equipment | track status |
| NYC DOT Field Equipment | MTA LIRR Wayside Equipment | hri operational status |
| Railroad Operators Wayside Equipment | hri operational status | |
| Railroad Operators Wayside Equipment | NYC DOT Field Equipment | track status |