Railways:
total: 4,095 km
standard gauge: 4,095 km 1.435-m gauge (1,377 km partially electrified since 1992)
note: during to the 1999 Kosovo conflict, the Serbian rail system suffered significant damage due to bridge destruction; many rail bridges have been rebuilt, but the bridge over the Danube at Novi Sad was still down in early 2000; however, a by-pass is available; Montenegrin rail lines remain intact

Highways:
total: 48,603 km
paved: 28,822 km (including 560 km of expressways)
unpaved: 19,781 km (1998 est.)
note: because of the 1999 Kosovo conflict, many road bridges were destroyed; since the end of the conflict in June 1999, Serbia has had a rapid reconstruction program to either reconstruct bridges or build by-pass routes

Waterways: 587 km; Danube River runs through Serbia connecting Europe with the Black Sea; in early 2000 the river was obstructed at Novi Sad due to a pontoon bridge; a canal system in north Serbia is available to by-pass damage, however, lock size is limited (1999)

Pipelines: crude oil 415 km; petroleum products 130 km; natural gas 2,110 km

Ports and harbors: Bar, Belgrade, Kotor, Novi Sad, Pancevo, Tivat, Zelenika

Airports: 48 (Serbia 43, Montenegro 5) (1999 est.)

Airports - with paved runways:
total: 19 (Serbia 16, Montenegro 3)
over 3,047 m: 2 (Serbia 2, Montenegro 0)
2,438 to 3,047 m: 5 (Serbia 3, Montenegro 2)
1,524 to 2,437 m: 5 (Serbia 4, Montenegro 1)
914 to 1,523 m: 2 (Serbia 2, Montenegro 0)
under 914 m: 5 (Serbia 5, Montenegro 0) (1999 est.)

Airports - with unpaved runways:
total: 29 (Serbia 27, Montenegro 2)
1,524 to 2,437 m: 2 (Serbia 2, Montenegro 0)
914 to 1,523 m: 13 (Serbia 12, Montenegro 1)
under 914 m: 14 (Serbia 13, Montenegro 1) (1999 est.)

Heliports: 2 (1999 est.)