South Caucasus Railway
South Caucasus Railway (Armenian: Հարավկովկասյան երկաթուղի, ՀԿԵ, romanized: Haravkovkasyan yerkat’ughi, HKE, Russian: Южно-Кавказская железная дорога, ЮКЖД) is the sole railway company in Armenia, owned by Russian Railways, responsible for all inter-city, commuter, and freight rail transport in Armenia. The network consists of 780 kilometers (480 mi) of track with all lines in the Russian gauge.