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The Sosnogorsk - Troitsko-Pechorsk railway line is a section of the Northern Railway passing through the territory of the Komi Republic.

The project of the Sosnogorsk - Troitsko-Pechorsk line was developed by Lengiprotrans in the 1960s – 1970s. It was intended for the transportation of timber rafted along the Pechora River and processed at the constructed timber transshipment base in Troitsko-Pechorsk.

In 1961, the project assignment was approved by the Economic Council of the Komi ASSR. In 1975 the railway was put into permanent operation.

The Shotkusa-Megrega railway line runs in the North-West of Russia, through the territories of the Leningrad Region and the Karelian Republic.

The railway line was built according to the Lengiprotrans project in the 1970s.

Байкало-Амурская магистраль (БАМ) — крупнейшая железная дорога, проходящая по территории Восточной Сибири и Дальнего Востока по направлению Тайшет — Советская Гавань.

В 1960–1970 годы «Ленгипротранс» разработал проект участка БАМа Чара — Тында протяженностью около 670 км. Трасса прокладывалась в районе Олекмо-Витимской горной страны через труднопроходимые хребты, расчлененные долинами рек.

The Kirishi Oil Refinery (Kirishinefteorgsintez) is a large oil refinery in the city of Kirishi, Leningrad Region, founded in 1966.

The plant was intended to provide the North-West of Russia with gasoline, diesel fuel and fuel oil. The external railway transport of the enterprise for the transportation of goods was developed by Lengiprotrans in the 1960s.

Leningrad Institute of Railway Engineers named after Academician V.N. Obraztsova (LIIZhT, now the Emperor Alexander I St. Petersburg State Transport University, PGUPS) is a higher technical educational institution in Russia, created at the beginning of the 19th century with the aim of training specialists for the construction of land and water transport routes.

The Vladimir railway junction is a large junction of the Gorky railway.

In the 1950s – 1960s, the Department of Junctions and Stations of Lengiprotrans developed a general scheme for the development of the Vladimir railway junction.

The Bologovsky railway junction is a large transit junction on the main line Moscow - St. Petersburg of the Oktyabrskaya railway. The following directions pass through the junction: Bologoye - Sonkovo, Bologoye - Dno, Bologoye - Velikiye Luki.

In the 1950s – 1960s, the Department of Junctions and Stations of Lengiprotrans developed a general scheme for the development of the Bologovsky railway junction.

Koshta is a sorting station of the Northern Railway in the Cherepovets District of the Vologda Oblast.

The project of Koshta station was carried out by Lengiprotrans as part of the development of external railway transport facilities at the Cherepovets Metallurgical Plant in the 1980s and 1990s.

Railway line Magnitogorsk — Tobol — a section of the line Magnitogorsk — Tobol — Zhelezorudnaya — Astana, providing transport links between Kazakhstan and the Urals and the Volga region of Russia.

In the 2000s, Lengiprotrans developed a project for the reconstruction of a city-wide highway of continuous traffic on the section from the intersection of Krasniy Znameni Avenue and Nekrasovskaya Street to the Stroitel stadium in the city of Vladivostok.

The reconstruction was required to increase the capacity of the highway section, eliminate the oversized existing structures and improve the environmental situation in the adjacent residential area.