Railway line Piskarevka - Sosnovo - a section of the line St. Petersburg - Khiytola Priozersky direction of the Oktyabrskaya railway. The main line was built in the 1910s for transport links between St. Petersburg and the Karelian railway (Vyborg - Joensuu).
The Piskarevka - Sosnovo line was electrified under the Lengiprotrans project. In 1958, the first electric train passed the Piskarevka - Peri section. For the first time at the Leningrad railway junction, conical centrifuged reinforced concrete supports of the contact network were installed. In 1959 the following sections were electrified: Peri - Vaskelovo and Vaskelovo - Sosnovo. The entire railway is electrified with DC voltage of 3 kV.
During this period, the electrification of stations was also carried out, high passenger platforms with cash pavilions were built. The electrification of suburban directions allowed the townspeople to move freely around the Leningrad region.
