!!!Eritrea: Transportation ||National air transport system|''number of registered air carriers'': 1 \\ ''inventory of registered aircraft operated by air carriers'': 1 (2015) \\ ||Civil aircraft registration country code prefix|E3 (2016) ||Airports|13 (2013) ||Airports - with paved runways|''total'': 4 \\ ''over 3,047 m'': 2 \\ ''2,438 to 3,047 m'': 2 (2013) \\ ||Airports - with unpaved runways|''total'': 9 \\ ''over 3,047 m'': 1 \\ ''2,438 to 3,047 m'': 1 \\ ''1,524 to 2,437 m'': 5 \\ ''914 to 1,523 m'': 2 (2013) \\ ||Heliports|1 (2013) ||Railways|''total'': 306 km \\ ''narrow gauge'': 306 km 0.950-m gauge (2014) \\ ||Roadways|''total'': 4,010 km \\ ''paved'': 874 km \\ ''unpaved'': 3,136 km (2000) \\ ||Merchant marine|''total'': 4 \\ ''by type'': cargo 2, petroleum tanker 1, roll on/roll off 1 (2010) \\ ||Ports and terminals|''major seaport(s)'': Assab, Massawa \\