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.
Tallinn is a passenger railway station in the capital of Estonia. The directions Narva - Tallinn, Tallinn - Viljandi pass through it.
In the 1980s, Lengiprotrans developed a project to modernize the station's electrical interlocking devices for 42 turnouts. This contributed to ensuring a high level of train traffic safety, increasing the capacity of the station, strengthening power supply devices and improving the quality of staff work.
In 1950-1970s "Lengiprotrans" developed a project for a signaling and communication device at the Tapa station in Estonia. Electrical interlocking of arrows and signals was installed.
In 1950-1970s Lengiprotrans developed a design for a signaling and communication device at the Tallinn station in Estonia. Electrical interlocking of arrows and signals was installed.
In the 1980s, Lengiprotrans developed a project for the production base for the construction and assembly train 675 of the Sevzaptransstroy trust in Tallinn.
At the facility, the following were designed: on-site heating networks, communication and power supply networks, reinforced concrete structures.
In 1950-1960s Lengiprotrans developed a project for an overpass with Endla Street in Tallinn. The work was carried out as part of the reconstruction of the Tallinn railway junction.
In the 1970s, Lengiprotrans developed a project to rewire the Pärnu - Mõisaküla narrow-gauge section to the 1520 mm wide gauge line with access to the Riga - Aloa - Myizaküla broad gauge line. This contributed to the creation of a 350 km direct railway line between Tallinn and Riga.
Also, within the framework of the title, a boiler room was designed at the Rujena-Novaya station of the Riga-Tallinn line.
In the 1970s, Lengiprotrans developed a project for rebuilding the narrow gauge track of the Türi-Paide section to a wide 1520 mm gauge. Prepared: mine workings, groundwater analysis, geological profile. A feasibility study of the project has been prepared.
Bystrovka - Rybachye - the railway section of the Lugovaya - Rybachye line, passing through the territory of Kyrgyzstan.
In the 1980s, Lengiprotrans developed a project for the construction of a pedestrian bridge at the intersection of Mäekalda Street with Oktyabrsky Avenue in Tallinn. Power supply was also designed at the facility.
