Adressen > Bahnspeditionen, Operateure > National Air, Water and Railway Accident Investigation Board c/o Ministry of Transport, Information Technologies and Communications ul. „Djakon Ignatji“ 9 1000 Sofia Bulgarien Telefon: E-Mail: Webseite: +359 2 940 9864 ihristov@mtitc.government.bg www.mtitc.government.bg