Serbia vs. Montenegro

Transportation

	Serbia	Montenegro
Railways	total: 3,809 km (2015) standard gauge: 3,809 km 1.435-m gauge (3,526 km one-track lines and 283 km double-track lines) out of which 1,279 km electrified (1,000 km one-track lines and 279 km double-track lines) (2015)	total: 250 km (2017) standard gauge: 250 km 1.435-m gauge (224 km electrified) (2017)
Roadways	total: 44,248 km (2016) paved: 28,000 km (16,162 km state roads, out of which 741 km highways) (2016) unpaved: 16,248 km (2016)	total: 7,762 km (2010) paved: 7,141 km (2010) unpaved: 621 km (2010)
Ports and terminals	river port(s): Belgrade (Danube)	major seaport(s): Bar
Airports	total: 26 (2013)	total: 5 (2013)
Airports - with paved runways	total: 10 (2017) over 3,047 m: 2 (2017) 2,438 to 3,047 m: 3 (2017) 1,524 to 2,437 m: 3 (2017) 914 to 1,523 m: 2 (2017)	total: 5 (2019) 2,438 to 3,047 m: 2 1,524 to 2,437 m: 1 914 to 1,523 m: 1 under 914 m: 1
Heliports	2 (2012)	1 (2012)
National air transport system	number of registered air carriers: 4 (2020) inventory of registered aircraft operated by air carriers: 43 annual passenger traffic on registered air carriers: 2,262,703 (2018) annual freight traffic on registered air carriers: 17.71 million mt-km (2018)	number of registered air carriers: 1 (2020) inventory of registered aircraft operated by air carriers: 4 annual passenger traffic on registered air carriers: 565,522 (2018) annual freight traffic on registered air carriers: 130,000 mt-km (2018)
Civil aircraft registration country code prefix	YU	4O

Source: CIA Factbook