International Exhibition "Railway Transport - 77" at the Shcherbinka station near Moscow. Minister of Railways of the USSR IG Pavlovsky speaks at the opening ceremony of the exhibition. Representatives of foreign companies give explanations on the exhibits. Corresponding member of the USSR Academy of Sciences A.P. Petrov gives explanations in the Soviet pavilion. Workshops of Novocherkassk electric locomotive building, Kolomna diesel locomotive building, Riga carriage building, Voroshilovgrad diesel locomotive building factories. Press conference. Pavlovsky answers the journalists' questions.