South Eastern Railway (Russia)

Its area of operation comprises Voronezh, Belgorod, Kursk, Ryazan, Tambov, Lipetsk, and Penza regions.

The railway route length was 3,648 kilometres (2,267 mi) in 1991, which included 257 stations and 13 locomotive yards.

A 37-kilometre section of the rail line between Chertkovo and Gartmashevka in the Kantemirovsky District of Voronezh Oblast to the north passed through Ukraine's Luhansk Oblast, with Russian Railways leasing the rail infrastructure from a Ukrainian village council.

It has 122.5 km double-track, 25 kV 50 Hz, maximum speed of 160 km/h, cost 56 billion rubles.

[2][3][4][5] On 11 December 2017, Russian Railways switched all long-distance trains to the new line to bypass Ukraine.