Passage of a freight train. Train trains on the tracks of the marshalling yard. Empty wagons and platforms stand idle awaiting cargo. The building of the Baltic Shipping Company. Meeting of the coordinating council of representatives of the Baltic Sea Shipping Company, the Oktyabrskaya Railway, the North-Western River Shipping Company. The operation of the Leningrad transport hub using an automated control system. The machine room of the information and computing center of the Leningrad Sea Trade Port. Operators at work. Computing Center of the Oktyabrskaya Railway. The printing device issues a continuous work schedule for partners in the Leningrad transport hub. Loading and unloading operations in the seaport. Cars enter the ship's hold. Main dispatching office of the Leningrad Sea Trade Port. Dispatchers work on a computer to adjust the schedule in an extreme situation.