standard gauge: 4,989 km 1.435-m gauge (2,880 km electrified) (2014)
narrow gauge: 125 km 0.760-m gauge (2014)
total: 3,809 km (2015)
standard gauge: 3,809 km 1.435-m gauge (3,526 km one-track lines and 283 km double-track lines) out of which 1,279 km electrified (1,000 km one-track lines and 279 km double-track lines) (2015)
Roadways
total: 19,512 km (2011)
paved: 19,235 km (includes 458 km of expressways) (2011)
unpaved: 277 km (2011)
note: does not include Category IV local roads
total: 44,248 km (2016)
paved: 28,000 km (16,162 km state roads, out of which 741 km highways) (2016)
unpaved: 16,248 km (2016)
Waterways
470 km (2009)
587 km (primarily on the Danube and Sava Rivers) (2009)
Pipelines
2765 km gas, 346 km oil, 378 km refined products (2017)
1936 km gas, 413 km oil
Ports and terminals
major seaport(s): Burgas, Varna (Black Sea)
river port(s): Belgrade (Danube)
Airports
total: 68 (2013)
total: 26 (2013)
Airports - with paved runways
total: 57 (2017)
over 3,047 m: 2 (2017)
2,438 to 3,047 m: 17 (2017)
1,524 to 2,437 m: 12 (2017)
under 914 m: 26 (2017)
total: 10 (2017)
over 3,047 m: 2 (2017)
2,438 to 3,047 m: 3 (2017)
1,524 to 2,437 m: 3 (2017)
914 to 1,523 m: 2 (2017)
Airports - with unpaved runways
total: 11 (2013)
914 to 1,523 m: 2 (2013)
under 914 m: 9 (2013)
total: 16 (2013)
1,524 to 2,437 m: 1 (2013)
914 to 1,523 m: 10 (2013)
under 914 m: 5 (2013)
Heliports
1 (2013)
2 (2012)
National air transport system
number of registered air carriers: 8 (2020)
inventory of registered aircraft operated by air carriers: 44
annual passenger traffic on registered air carriers: 1,022,645 (2018)
annual freight traffic on registered air carriers: 1.38 million mt-km (2018)
number of registered air carriers: 4 (2020)
inventory of registered aircraft operated by air carriers: 43
annual passenger traffic on registered air carriers: 2,262,703 (2018)
annual freight traffic on registered air carriers: 17.71 million mt-km (2018)
