Guinea 652 km, Liberia 563 km, Cote d'Ivoire 610 km, Liberia 716 km, Mali 419 km, Mauritania 463 km, Morocco 1,559 km, Western Sahara 42 km double track; 892 km 1.000-meter gauge, 4,246 km narrow gauge; 159 km double track, 11,501 km electrified); 4,022 km nongovernment owned, including 3,598 km 1.435-meter standard gauge, 60 km paved (mostly bituminous-surface treatment); 25,411 km laterite, gravel, crushed stone, or stabilized soil, 34,495 km improved earth or sand tracks (1985) Pipelines: crude oil 179 km 1.435-meter standard gauge, 3,642 km 1.000-meter
disunite