Complete reconstruction of the tunnel connecting the metropolitan districts Lyulin and Zapaden Park. Rehabilitation of the tunnel structure, entrance and exit ramps, drainage system and waterproofing was carried out. New flooring, ventilation, lighting, restriction system, video surveillance, fire alarm were built. The railway track and contact network have been completely renewed. In the tunnel and on the ramps on both sides, there is a lining made of Etalbond panels with reflective elements.