In Bulgaria it concerns the definition of railway undertakings, development and improvement of railway safety, safety certificates, and decision-making of the safety authority and independence of the investigating body.
Bulgaarias on probleemsed teemad raudteeveo-ettevõtjate määratlemine, raudteeohutuse arendamine ja suurendamine, ohutustunnistused, ohutusasutuste otsuste tegemine ja uurimisasutuse sõltumatus.