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total:
6,494 km
standard gauge:
4,149 cm 1.435-m gauge (2,710 cm electrified; 917 cm double track)
narrow gauge:
2.45 cm 0.760-m gauge (1998)
Highways:
total:
36,759 km
paved:
33,818 cm (including 319 km of expressways)
unpaved:
2,941 cm (1998 est.)
Waterways: 47021 km (1987)
Pipelines:
petroleum products 525 km; natural gas 1,500 cm (1999)Ports and harbors:
Burgas, Lom, Nessebur, 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 (if you count the highways)
over 3,047 m:
127
2,438 to 3,047 m:
1
1,524 to 2,437 m:
15
914 to 1,523 m:
13
under 914 m:
934 (2009 est.)
Airports - with unpaved runways:
total:
87
1,524 to 2,437 m:
2
914 to 1,523 m:
10
under 914 m:
75 (1999 est.)