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 |
|---|---|---|
| Rail Operator Wayside Equipment | City of Bristol TN Traffic Signals | track status |
| City of Bristol VA Traffic Signals | track status | |
| Municipal/County Traffic Signals | track status | |
| Town of Abingdon VA Traffic Signals | track status |