Construction of a new main depot facility at Nizhny Novgorod station for the purposes of incoming diagnostics, stabling, servicing, external washing, defrosting, anti-icing treatment, scheduled maintenance and repairs, unscheduled repairs of high-speed rolling stock, locomotive and train crews check-in, entry on duty, and rest, and accommodation of operating departments to provide servicing of the railway infrastructure on the section.

The construction of the main depot facility will include the following buildings and structures: the main process building, an amenity building, a rolling stock yard, an incoming diagnostics department, an anti-icing treatment area, a fuel and lubricant storage, an electric interlocking station, on-site utilities, and many other facilities.