In the 1980s, Lengiprotrans developed a project for the construction of an overpass in Vilnius at the intersection of the Southern Bypass with the Vilnius-Kirtimai railway line.
В 1970-е годы «Ленгипротранс» разработал проект автодорожного моста через реку Колу в поселке Вильдинстрой Мурманской области.
In the 2010s, Lengiprotrans developed a project for a road overpass on the Tammisuo - Gvardeyskoye section of the Vyborg-Kamenogorsk railway section to replace three closed crossings in the Vyborgsky district of the Leningrad region.
The transport interchange includes 5 artificial structures:
• highway overpass on the direction Zverevo - Malinovka, crossing the Vyborg - Lokomotiv gardening highway, the Vyborg - Kamennogorsk double-track railway and the Tali river;
• road bridge in the direction Vyborg - gardening "Lokomotiv";
• three culverts.
In 2006–2011, Lengiprotrans developed a project for a transport interchange along the section of Blanc-Menilskaya Street through the railway tracks of the Oranienbaum direction of the Oktyabrskaya Railway.
Main objectives of the project:
• expansion of the city's road network;
• elimination of traffic jams arising from the low capacity of the existing railway crossing;
• provision of a full-fledged interdistrict transport connection.
Irtyshskoe — Karasuk is a section of the West Siberian Railway and the Central Siberian Railway. It was designed by Lengiprotrans for the development of virgin lands in southern Siberia in the 1950s.
In 1987, the institute developed a project for the overhaul of the bridge over Lake Chernoe at 365 km of the Irtyshskoe — Karasuk section.
In the late 1990s, Lengiprotrans developed a project for a multi-unit depot at the Metallostroy station, intended for servicing and repairing the ER2T electric trains of the Moscow and Vitebsk directions and the Sokol high-speed trains of the St. Petersburg-Moscow railway line.
According to the title, the institute also designed a number of artificial structures: road and rail bridges across the Slavyanka River, an overpass and a pedestrian bridge.
In the 1980s, Lengiprotrans developed a project for the construction of a road overpass (line II) at the intersection of Oktyabrsky Prospekt with Yu.Smuula Street in the Lasnamäe residential area of Tallinn.
In the 1950s, Lengiprotrans developed a project for the overhaul of the bridge over the Pissa River at 912 km of the Virbalis - Kaliningrad section of the Lithuanian Railway.
In the 1980s, Lengiprotrans developed a project for the construction of a pedestrian bridge across Oktyabrsky Prospekt in Pae microdistrict, Lasnamäe residential area in Tallinn. Power supply was also designed at the facility.
In 1981, Lengiprotrans developed a project for the reconstruction of a bridge over the Tovarny stream in 1981 as part of the track reconstruction of the Kaliningrad-Sortirovochny station.
