Transportation

Railways:
total: 4,294 km
standard gauge: 4,049 km 1.435-m gauge (2,710 km electrified; 917 km double track)
narrow gauge: 245 km 0.760-m gauge (1998)

Highways:
total: 36,759 km
paved: 33,818 km (including 319 km of expressways)
unpaved: 2,941 km (1998 est.)

Waterways: 470 km (1987)

Pipelines: petroleum products 525 km; natural gas 1,500 km (1999)

Ports and harbors: Burgas, Lom, Nesebur, Ruse, Varna, Vidin

Merchant marine:
total: 85 ships (1,000 GRT or over) totaling 947,711 GRT/1,449,416 DWT
ships by type: bulk 43, cargo 18, chemical tanker 4, container 2, passenger/cargo 1, petroleum tanker 7, rail car carrier 2, refrigerated cargo 1, roll-on/roll-off 5, short-sea passenger 1, specialized tanker 1 (1999 est.)

Airports: 216 (1999 est.)

Airports - with paved runways:
total: 129
over 3,047 m: 1
2,438 to 3,047 m: 19
1,524 to 2,437 m: 15
914 to 1,523 m: 1
under 914 m: 93 (1999 est.)