The project to electrify the railway system from Garmsar to Ince-Burun was commenced in July 2018. The main contractor on the project was Russian Railways’ subsidiary, RZD International LLC. Russian Railways certainly has an office in Tehran, Iran. Iran is part of Russian Railways’ "North-South Corridor."
When Russian Railways stopped work on electrification of the Garmsar - Inche Burun line, it closed a branch in Tehran.
Russian Railways is engaged in other countries in construction of railway infrastructure, electrification of lines, creation of dispatch centers.