By 1930 in Finland a railroad linking Viipuri (Vyborg), Heinjoki (Veshchevo), Ristseppälä (Zhitkovo) and Valkjärvi (Michurinskoye) had been built, which was expected to be continued to Rautu (Sosnovo). The Russians started to build the missing section between Rautu and Valkjärvi. The Finns considered also to build this missing link but they found the difference in turns of highest maximum up grade too big (Valkjärvi station was 111.89 metre above sea level). The up grade from River Saija would have been more than 15 pro mille. That was too much for this proposed line and the project was cancelled. In 1941 6 km of the track bed had been completed by the Russians in August 1941. This section was never completed. However, in the 1950s Soviet authorities demolished the track between Zhitkovo and Michurinskoye, but the track bed remains, and the rails between Veshchevo and Zhitkovo were also dismantled in 2001. However, the roadbed from Veshchevo to Sosnovo has remained until now.