Tselinograd - Kokchetav (now Astana - Kokshetau) is a meridional line connecting the South Siberian and Central Siberian lines in Kazakhstan.
In the 1970s, Lengiprotrans developed a project for the reconstruction of the line with the laying of second tracks. In the same period, the institute designed double-track inserts on the site with centralized dispatching for 429 switches.
The length of the double-track inserts is 183 km.
The length of dispatch centralization is 297 km.
Railway line Riga - Ogre - section of the line Riga - Aizkraukle - Krustpils of the Latvian Railway.
In 1959, according to the Lengiprotrans project, the Riga - Ogre section was electrified for a DC voltage of 3 kV. In the same period, the institute at the site developed a coded automatic blocking of alternating current.
Bigosovo is a station of the Belarusian Railway, located near the border with Latvia.
In the 1950s – 1970s, according to the Lengiprotrans project, a relay interlocking system with route control of switches and signals was installed at the station.
The Norilsk Railway is an isolated railway network in the north of the Krasnoyarsk Territory. It is one of the northernmost steel lines in the world.
In the 1980s, Lengiprotrans prepared a project for the electrification of the Norilsk railway by order of the USSR Ministry of Nonferrous Metallurgy. The line was electrified with 3.3 kV direct current. By 1985, the electric sections were completely replaced by the ER1 and ER2 electric trains.
Rybatskoye - Polyany - a section on the Volkhovstroevsky direction of the October railway.
In the post-war period, Lengiprotrans developed projects for the restoration of destroyed signaling and communication devices on the approaches to Leningrad, in the Baltic States and Belarus. The objects carried out during this period include semi-automatic blocking at the Rybatskoye - Polyany section with the reconstruction of mechanical interlocking at the Rybatskoye, Torfyannoye, Dubtsy stations, including the Chudovsky railway junction.
Makushino - Omsk - Novosibirsk is a section that is part of the South Ural and West Siberian railways.
During the Great Patriotic War, the specialists of Lentransproekt (since 1951 - Lengiprotrans) performed design work on signaling and communication devices on the Makushino - Novosibirsk section. The carrying capacity of the line was increased to ensure the supply of the country through the Far East and transportation during the subsequent war with Japan.
Railway line Mudyuga - Kem - a section that is part of the Northern and Oktyabrskaya railways.
The project for the suspension and sealing of the colored chain on the line was prepared by Lengiprotrans in 1956. In the same period, similar work was carried out at the Nyandoma - Mudyuga section.
The Kirov railway junction is located on the Gorkovskaya railway and is part of the Trans-Siberian Railway. Passenger and freight traffic of the boiler, Glazov and Kotlas directions passes through it.
The project for the power supply of the railway junction was prepared by Lentransproekt (since 1951 - Lengiprotrans) in 1940-1950. As part of it, the Lyangasovo junction railway station, located in the eponymous district of the city of Kirov, was electrified.
The Dno is the junction station of the October railway. The directions St. Petersburg - Vitebsk and Rybinsk - Bologoye - Pechory-Pskovskie pass through it.
In 1940-1950, a power plant was built at the station according to the project of Lentransproekt (since 1951 - Lengiprotrans).
Narvskaya - Novy Port - a section of the St. Petersburg railway junction, is part of the Oktyabrskaya railway.
In the 1970s, according to the Lengiprotrans project, the line was equipped with automatic blocking.
