The most significant railway lines are: Zverevo – Krasnodonetskaya, Zanki – Korobochkino, Merefa – Zmiev, Budy – Shpakovka, Ocheretino – Gorlovka, Gornaya – Ust Donetskaya, Armyaz – Saygatka, Volsk – Balakovo, Kurdyum – Lipovsky and others. More than 4100 km of second tracks have been built, including such directions and sections as Kanash – Agryz – Krasnoufimsk – Druzhinino, Vorozhba – Lyubotin, Lyubotn – Burty – Korystovka, Lozovaya – Romodan – Darnitsa, Saraevka – Lebedi – Stary Oskol, Sara-tov – Sennaya, Osnova – Zolochev, Zharyk – Moints, Osnova – Kupyansk, Ershov – Urbakh – Krasny Kut, Astrakhan – Upper Baskunchak, Tbilisi – Samtredia. More than 10 thousand were transferred to diesel traction. km of separate directions of the network. Over 2500 km of lines have been electrified, in particular, the sections Kursk – Kharkov – Lozovaya, Osnova – Debaltsevo, Kupyansk – Valuiki – Povorino, Rossosh – Likhaya, Merefa – Vlasovka – Krasnograd, Kupyansk – Slavyanogorskaya, Vilnius – Kaunas, Trofimovsky – Tatishchevo, Ku- – Orenburg, Trusovo – Aksaraiskaya. The existing ones were developed and new nodes, sorting, cargo and passenger stations were built, including in Kharkov, Poltava, Kupyansk, Kremenchug, Lozovaya, Saratov, Volgograd, Astrakhan, Taishet.
Since the 70s, many specialists have participated in the development of projects for the reconstruction and development of the railway network of the Republic of Cuba, in the survey of the locomotive and carriage facilities of the Havana-Santiago de Cuba railway, in the reconstruction of the passenger carriage depot Luiano (Havana), freight carriage depot Comagüey , in the design and reconstruction of railway junctions and stations, in the development of a scheme for the reconstruction and development of the passenger railway network in Havana, in the organization of the railway communication of the main line on the Havana-Santa Clara section, supervision over the construction of artificial structures (bridges and overpasses) on the railway network Cuba. Providing friendly assistance, our specialists worked in Mongolia on the construction of transport facilities, provided technical assistance in the training of national personnel, many of them were awarded Mongolian government awards. The Institute’s specialists have repeatedly participated in surveys, pre-design work and design of new railway lines in Iran, Iraq, Syria, Algeria, namely: in Iran Mashhad – Sarah – 150 km; in Syria Holmes – Alepa – 200 km, Damascus – Dara – 120 km; in Algeria Bu-Medfa – Ay Nussera – 400 km. For Iraq in 2001-2002, tender documents were developed for the design and construction of new railway lines in the southern direction Baghdad (Musaeb) – Samawa with a length of 240 km and in the northern direction of Baghdad – Kirkuk with a length of 250 km.
