In 1989, Lengiprotrans prepared a project for the reconstruction of a contact network on the Buslova - State Border stretch in the area of the state border with Finland.
- 1970 — 1979
Ruchyi - Pargolovo - a section of the St. Petersburg - Vyborg direction of the Oktyabrskaya railway.
In the 1970s, according to the Lengiprotrans project, the Leningrad-Sortirovochny-Moskovsky...
- 1950 — 1959
- 1970 — 1979
The railway section Polotsk - Bigosovo is part of the Belarusian Railway.
In the period 1956-1970, Lengiprotrans developed a project for centralization of dispatchers for 66 switches on the...
- 1970 — 1979
Glukhoozerskaya - Ruchyi - a section of the St. Petersburg - Vyborg direction of the Oktyabrskaya railway, located within the boundaries of St. Petersburg.
In the 1970s, according to the...
- 1980 — 1989
In the 1980s, Lengiprotrans developed a project for the modernization of electrical interlocking at Ugolnaya station in the Kaliningrad region. The operational part of signaling and communication...
- 1970 — 1979
- 1980 — 1989
Rybatskoye - Kupchinskaya is a section of the Southern Semicircle (also called the Second Port Branch) of the St. Petersburg railway junction, opened in 1930.
In the 1970s-1980s, according to...
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