!!!Sri Lanka: Transportation ||National air transport system|''number of registered air carriers'': 3 \\ ''inventory of registered aircraft operated by air carriers'': 25 \\ ''annual passenger traffic on registered air carriers'': 4,911,730 \\ ''annual freight traffic on registered air carriers'': 381,381,300 mt-km (2015) \\ ||Civil aircraft registration country code prefix|4R (2016) ||Airports|19 (2013) ||Airports - with paved runways|''total'': 15 \\ ''over 3,047 m'': 2 \\ ''1,524 to 2,437 m'': 6 \\ ''914 to 1,523 m'': 7 (2013) \\ ||Airports - with unpaved runways|''total'': 4 \\ ''914 to 1,523 m'': 1 \\ ''under 914 m'': 3 (2013) \\ ||Heliports|1 (2013) ||Railways|''total'': 1,447 km \\ ''broad gauge'': 1,447 km 1.676-m gauge (2014) \\ ||Roadways|''total'': 114,093 km \\ ''paved'': 16,977 km \\ ''unpaved'': 97,116 km (2010) \\ ||Waterways|160 km (primarily on rivers in southwest) (2012) ||Merchant marine|''total'': 21 \\ ''by type'': bulk carrier 4, cargo 13, chemical tanker 1, container 1, petroleum tanker 2 \\ ''foreign-owned'': 8 (Germany 8) (2010) \\ ||Ports and terminals|''major seaport(s)'': Colombo \\ ''container port(s) (TEUs)'': Colombo (3,651,963) \\