保加利亚现有铁路1990公里,其中主要线路有841公里。从1963年起开始采用内燃牵引。内燃机车是进口的,先是从奥地利进口,以后从罗马尼亚和苏联进口。1979年基本上完成了用电力牵引和内燃牵引取代蒸汽牵引的工作。各类牵引完成的运量见附表。到1985年,运量的75%将由电力牵引完成,其余的将由内燃牵引完成。 The existing railway in Bulgaria is 1990 km, of which 841 km are the main routes. From 1963 onwards, the use of internal combustion traction. Diesel locomotives are imported, first imported from Austria and later imported from Romania and the Soviet Union. In 1979 basically completed the use of electric traction and internal combustion traction instead of steam traction work. Various types of traction to complete the transport see Schedule. By 1985, 75% of the traffic will be completed by electric traction and the rest by internal combustion.