49 CFR Appendix G to Part 222, Excess Risk Estimates for Public Highway-Rail Grade Crossings
Ban Effects/Train Horn Effectiveness
|Warning type||Excess risk estimate|
|Flashers with gates||66.8.|
|Flashers with gates||90.9.|
|Passive||To be determined.|
|Flashers only||To be determined.|
|Flashers with gates||To be determined.|
The warning type column reflects primary warning device types. FRA is aware that a variety of arrangements are in place at individual crossings.
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.