!!!Azerbaijan: Transportation ||National air transport system|''number of registered air carriers'': 2 \\ ''inventory of registered aircraft operated by air carriers'': 35 \\ ''annual passenger traffic on registered air carriers'': 1,803,112 \\ ''annual freight traffic on registered air carriers'': 41,954,600 mt-km (2015) \\ ||Civil aircraft registration country code prefix|4K (2016) ||Airports|37 (2013) ||Airports - with paved runways|''total'': 30 \\ ''over 3,047 m'': 5 \\ ''2,438 to 3,047 m'': 5 \\ ''1,524 to 2,437 m'': 13 \\ ''914 to 1,523 m'': 4 \\ ''under 914 m'': 3 (2013) \\ ||Airports - with unpaved runways|''total'': 7 \\ ''under 914 m'': 7 (2013) \\ ||Heliports|1 (2012) ||Pipelines|condensate 89 km; gas 3,890 km; oil 2,446 km (2013) ||Railways|''total'': 2,068 km \\ ''broad gauge'': 2,068 km 1.520-m gauge (1,240 km electrified) (2014) \\ ||Roadways|''total'': 52,942 km \\ ''paved'': 26,789 km \\ ''unpaved'': 26,153 km (2006) \\ ||Merchant marine|''total'': 90 \\ ''by type'': cargo 27, chemical tanker 1, passenger 2, passenger/cargo 8, petroleum tanker 47, roll on/roll off 3, specialized tanker 2 \\ ''foreign-owned'': 1 (Turkey 1) \\ ''registered in other countries'': 2 (Malta 1, Saint Vincent and the Grenadines 1) (2010) \\ ||Ports and terminals|''major seaport(s)'': Baku (Baki) located on the Caspian Sea \\