The main works on the current maintenance of tunnel constructions are constant surveillance and periodic surveys all of them elements, removal of dust from the plastered facing surfaces, and also rubbing and washing of all types of facing, the glazed surfaces, obdelka of tunnels, the rigid basis of a way. Also garbage removal from tunnels, restoration of polishing of marble facing of walls, renovation of stations, facades, lobbies and service premises, elimination, drainage or branch of leaks of ground waters is carried out.
The Kurskaya station is in the area of the Kursk station from which trains of the Kursk and Gorky direction leave. It consists of the cash hall, two lobbies, small and big escalators, a corridor through passage and the landing hall. Marble of various breeds is applied to facing. The arch of the landing hall leans on two rows of powerful poles. Round air vents are closed by gilded lattices with the lamps strengthened on them. Besides, the hall is lit with big chandeliers.