Deutsche Reichsbahn (East Germany)
Deutsche Reichsbahn (DR; German pronunciation: [ˈdɔʏtʃə ˈʁaɪçsˌbaːn], lit. 'German Realm Railways') was the state-owned railways in the German Democratic Republic (East Germany) from 1949 and 1990, and the New States after German reunification until 1 January 1994. It was operated by the Ministry for Transport and was the largest employer in East Germany.
Source: Wikipedia — Deutsche Reichsbahn (East Germany) (CC BY-SA 4.0)