Regulations last checked for updates: Apr 27, 2024

Title 49 - Transportation last revised: Apr 11, 2024
Appendix Appendix G - Appendix G to Part 222—Excess Risk Estimates for Public Highway-Rail Grade Crossings

Ban Effects/Train Horn Effectiveness

[Summary table]

Warning type Excess risk estimate
Nation (Except Florida East Coast Railway and Chicago Region Crossings)
Passive74.9.
Flashers only30.9.
Flashers with gates66.8.
Florida East Coast Railway Crossings
Flashers with gates90.9.
Chicago Region Crossings
PassiveTo be determined.
Flashers onlyTo be determined.
Flashers with gatesTo 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]
source: 71 FR 47634, Aug. 17, 2006, unless otherwise noted.