!!!Guinea: Transportation ||Civil aircraft registration country code prefix|3X (2016) ||Airports|16 (2013) ||Airports - with paved runways|''total'': 4 \\ ''over 3,047 m'': 1 \\ ''1,524 to 2,437 m'': 3 (2013) \\ ||Airports - with unpaved runways|''total'': 12 \\ ''1,524 to 2,437 m'': 7 \\ ''914 to 1,523 m'': 3 \\ ''under 914 m'': 2 (2013) \\ ||Railways|''total'': 662 km \\ ''narrow gauge'': 662 km 1.000-m gauge (20014) \\ ||Roadways|''total'': 44,348 km \\ ''paved'': 4,342 km \\ ''unpaved'': 40,006 km (2003) \\ ||Waterways|1,300 km (navigable by shallow-draft native craft in the northern part of the Niger River system) (2011) ||Ports and terminals|''major seaport(s)'': Conakry, Kamsar \\