In the 1970s, Lengiprotrans prepared a project for electrical interlocking at Liiva station for 30 switches. A compressor station and a transformer substation were designed at the station.
- 1970 — 1979
- 1980 — 1989
In 1976-1980, Lengiprotrans developed a project for laying cable communication lines on the Pärnu Gruzovaya - Pärnu-Passenger section in Estonia.
- 1970 — 1979
Kiltsi is a railway station on the Tapa - Tartu line of the Estonian Railways.
In 1976-1980, according to the Lengiprotrans project, electric centralization for 31 points was installed at the...
- 1970 — 1979
The railway section Polotsk - Vitebsk is part of the Belarusian Railway.
In the 1970s, the Department of Automation, Telemechanics and Communications of Lengiprotrans developed an author's...
- 1970 — 1979
In the 1970s, Lengiprotrans developed a project for automatic blocking on the Kaisiadoris - Palyamonas - Gaizhunai section of the Lithuanian Railway. The object contains 20 arrows.
- 1970 — 1979
Railway line Kraslau (now Kraslava) - Daugavpils - a section of the Indra - Daugavpils line of the Latvian Railway.
Dispatch centralization for 28 switches on the Kraslau - Daugavpils section...
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