Criteria for FRA to investigate an accident

The FRA ( Federal Railway Administration) is an active department of DOT (Department of Transportation) US.

FRA investigates accidents and incidents when the following criteria is met:
• Any highway-rail grade crossing accident resulting in:
- Death to one or more persons in a commercial vehicle or school bus;
- Serious injury to several persons transported by such vehicles;
- Death to three or more persons in a private highway vehicle; or
- No fatality, but involving a malfunction or failure of an active warning device which allegedly contributed to or caused the accident