Railways:
total: 4,772 km
standard gauge: 3,616 km 1.435-m gauge (301 km electrified; 215 km double track)
narrow gauge: 1,156 km 1.055-m gauge

Highways:
total: 102,424 km
paved: 70,570 km (including 608 km of expressways)
unpaved: 31,854 km (1995 est.)

Pipelines: crude oil 6,612 km; petroleum products 298 km; natural gas 2,948 km

Ports and harbors: Algiers, Annaba, Arzew, Bejaia, Beni Saf, Dellys, Djendjene, Ghazaouet, Jijel, Mostaganem, Oran, Skikda, Tenes

Merchant marine:
total: 78 ships (1,000 GRT or over) totaling 933,672 GRT/1,094,104 DWT
ships by type: bulk 9, cargo 27, chemical tanker 7, liquefied gas tanker 11, oil tanker 5, roll-on/roll-off cargo 13, short-sea passenger 5, specialized tanker 1 (1998 est.)

Airports: 137 (1998 est.)

Airports—with paved runways:
total: 51
over 3,047 m: 8
2,438 to 3,047 m: 24
1,524 to 2,437 m: 13
914 to 1,523 m: 5
under 914 m: 1 (1998 est.)

Airports—with unpaved runways:
total: 86
2,438 to 3,047 m: 3
1,524 to 2,437 m: 24
914 to 1,523 m: 40
under 914 m: 19 (1998 est.)

Heliports: 1 (1998 est.)