49 CFR Part 222, Appendix G
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
Warning type | Excess risk estimate
Nation (Except Florida East Coast Railway and Chicago Region Crossings)
| Passive | 74.9. |
|---|---|
| Flashers only | 30.9. |
| Flashers with gates | 66.8. |
Florida East Coast Railway Crossings
Flashers with gates | 90.9.
Chicago Region Crossings
| Passive | To be determined. |
|---|---|
| Flashers only | To be determined. |
| Flashers with gates | To be determined. |
Note One: The warning type column reflects primary warning device types. FRA is aware that a variety of arrangements are in place at individual crossings.
Note Two: The “excess risk estimate” is a figure that represents the amount by which collision frequency has been estimated to increase when routine locomotive horn sounding is restricted at public highway-rail grade crossings.
[74 FR 46394, Sept. 9, 2009]