Transportation

Railways: total: 704 km (single track); note - owned and operated by government mining company standard gauge: 704 km 1.435-m gauge (1995) Highways: total: 7,496 km paved: 1,342 km unpaved: 6,154 km (1987 est.) Waterways: mostly ferry traffic on the Senegal River Ports: Bogue, Kaedi, Nouadhibou, Nouakchott, Rosso Merchant marine: none Airports: total: 24 with paved runways 2 438 to 3 047 m: 3 with paved runways 1 524 to 2 437 m: 4 with paved runways 914 to 1 523 m: 1 with paved runways under 914 m: 2 with unpaved runways 2 438 to 3 047 m: 1 with unpaved runways 1 524 to 2 437 m: 4 with unpaved runways 914 to 1 523 m: 9 (1995 est.)