1st plot. THE ROAD WILL BECOME SAFER. The plot about the rail cleaning machine "ROM-3". The traffic light on the railway. Electric train driver at work. Railway workers manually clean debris and dirt from the rails. The "ROM-3" rail cleaning machine, created by the employees of the All-Russian Research Institute of Railway Transport, together with the Putmash Central Design Bureau, cleans the rails with a stream of water. The driver "ROM-3" in the cab at work. Diesel generator, tank, pump and other machine parts. The driver's assistant inspects the car. "ROM-3" on the way. 2nd plot. THE WAGON MISSED A story about the use of a computer to search for wagons on the marshalling hump of the Orekhovo-Zuevo station. A text about the disappearance of the car is received via a teletype. Station employees look through the papers. The cars are on the tracks of the hump. The train arriving at the station passes the entrance post. The operator of the entrance station registers the numbers of the passing cars. Computing center employees at work on a computer. Information about the wagons is printed out on a computer. 3rd plot. ON NEW TECHNOLOGY. The plot is about the repair of the crankshaft on the Austrian equipment. Installation of the Austrian company "Interweld" in the workshop of the diesel locomotive repair plant named after the 50th anniversary of the USSR in Velikiye Luki. The inscription on the installation: "Arc metallization box". Separate technological operations of metal build-up on the worn surfaces of the crankshaft. View of the crankshaft after processing. 4th part. PARTICIPATION PRICE. Lithuania. The building of the Siauliai branch of the Baltic railway. A steam locomotive is depicted on the facade of the building. A sign with the inscription: "Siauliai power supply distance". Hall of Fame, garage, workshops on the territory of the power supply distance. The workers are having lunch in the dining room. Builders at work laying the foundations of a house for railway workers and their families. Head of Siauliai power supply distance B.I. Ledwig drives up to the Railwaymen's Recreation Center in a car. The territory of the recreation center. Wooden houses of holidaymakers on the shore of the lake and in the forest. A group of vacationers drinks tea at a table near the house. The girl collects water from the well into a bucket. Children swim in the reservoir. A fisherman in a boat on the lake. Vacationers sit at tables in the dining room. BI Ledvig at the table among the rest.