-        Rail passengers: persons who make a trip by railway, excluding members of the train crew and including passengers trying to embark/disembark onto/from a moving train;
-        Employees: persons whose employment is in connection with a railway and are at work on duty at the time of the accident; this includes the crew of the train and persons handling rolling stock and infrastructure installations; staff of contractors and self-employed contractors are also included;
-        Level-crossing users: persons using a level-crossing to cross the railway line by any mean of transportation or by foot;
-        Trespassers: unauthorized persons present on railway premises, with the exception of level-crossing users.