Railroads: Total freight carried 83 million tons in 1987; total passengers carried 110,000,000 in 1987. In 1987, 4,300 kilometers of track, of which 4,055 kilometers standard gauge, 245 kilometers narrow gauge, 917 kilometers double track, 2,510 kilometers electrified.
Civil Aviation: National line, Balkan Airline, carried 2,800,000 passengers and 24,213 tons of freight in 1987, using eighty-six major transport aircraft. International flights to major European cities and Algiers, Damascus, Baghdad, Kuwait, and Tunis. Usable airports 380, of which 20 with runways longer than 2,400 meters, 120 with permanent-surface runways. Major airports at Burgas, Khaskovo, Pleven, Plovdiv, Ruse, Silistra, Sofia, Stara Zagora, Turgovishte, Varna, Vidin and Yambol.
Highways: In 1987, 36,908 kilometers total, 33,535 kilometers hard surface, of which 242 kilometers motorway (highway); 940,000,000 passengers and 917,000,000 tons of freight transported in 1987.
Inland Waterways: In 1987, 470 kilometers; Danube River, along northern border, major commercial waterway.
Ports: Burgas and Varna on Black Sea; Ruse, Vidin, Svishtov, and Lom on Danube.
Pipelines: For crude oil, 193 kilometers; for refined petroleum products, 418 kilometers; for natural gas, 1,400 kilometers in 1986. Conveyed 21,000,000 tons in 1987.
Telecommunications: In 1987, 4,053 postal and telecommunications offices, 2.23 million telephones, 80 radio and 43 television transmitters; in 1990, 1,980,000 radio and 2.1 million television receivers. Two television networks broadcast to nineteen stations in 1991, with amplification to rural receivers. Three radio networks. Membership in Intervision East European television network and access to French satellite broadcasts.
Data as of June 1992