In the post-war years, Lentransproekt's Bridges Department (since 1951 - Lengiprotrans) was engaged not only in the restoration of destroyed objects in the Baltic republics, but also in the design of new artificial structures in connection with the needs of the developing transport system.
In the period 1945-1952, the institute prepared a project for a new capital bridge across the Auxinen (now Golubaya) river in the Kaliningrad region. It is a left bank tributary of the Pregolya River.
In the post-war years, the Department of Bridges of "Lentransproekt" (since 1951 - "Lengiprotrans") was engaged not only in the restoration of destroyed objects, but also in the design of new artificial structures in connection with the needs of the developing transport system.
In the period 1945-1952, the Institute prepared a project for a new capital bridge over the Virvipu River in the Baltic States.
In the 1950s, Lengiprotrans developed a project for the development of the Sovetsk station in the Kaliningrad region. Longitudinal profiles, strengthening of the subgrade, track section and communication at the station were developed.
Chernyshevskaya is a station in the Kaliningrad region on the Russian-Lithuanian border.
After the collapse of the USSR, it became necessary to arrange new border crossings. On behalf of the Ministry of Railways of the Russian Federation, Lengiprotrans prepared projects for the reconstruction of a number of border stations. Among other things, a customs and border control point was developed at the Chernyshevskaya station.
Svetogorsk is a railway station of the Oktyabrskaya railway in the Vyborg district of the Leningrad region on the border with Finland.
Kaliningrad-Sortirovochny is a cargo station of the Kaliningrad railway.
The station development project was developed by Lengiprotrans in the 1970-1980s. In the course of the survey, transverse and longitudinal profiles of the station were prepared. The main design work was carried out on electrical interlocking (EC) and track reconstruction of the station.
The institute at the facility was designed:
• combined post of EC and GAC (hump automatic centralization);
• external communication networks and a communication center on duty;
Kiviyarvi is a station of the October railway in the Muezersky district of the Republic of Karelia, on the border with Finland.
In 1993, on behalf of the Ministry of Railways of the Russian Federation, Lengiprotrans developed a project for the reconstruction of a number of stations for the construction of new border crossings that arose as a result of the collapse of the USSR. In particular, the reconstruction of the Kivijärvi railway station was planned.
Novy Port is the final customs and border cargo railway station of the Putilovskaya branch of the St. Petersburg railway junction on the territory of Gutuevsky Island.
The station development project was developed by Lengiprotrans in the 1970s. In accordance with it, a new receiving and dispatching yard was built at the station in 1978.
Kurgan — Atbasar is a meridional railway project developed by Lengiprotrans for the development of virgin lands and transportation of grain crops.
Hydrological and hydrogeological surveys of water supply sources for the new railway were carried out at the site. Drilling of deep wells was used.
Karasuk - Kamen-na-Obi section of the West Siberian railway, passing in the south of the Siberian Federal District of Russia.
In the 1950s, Lengiprotrans developed a project for the Karasuk - Kamen-na-Obi line as part of the transport development of virgin and fallow lands of the Kazakh SSR and adjacent territories. Hydrological and hydrogeological surveys of water supply sources for the new railway were carried out. Drilling of deep wells was used.
