Russian Railways (RZD) has completed the first stage of testing the track superstructure at the test site of the high-speed line (HSL) Sablino - Tosano. This was reported by the company's press service. Sapsan was used to test the effect of the rolling stock on the infrastructure. The train made 210 trips: 130 on a straight section at an acceleration of up to 230 km/h, another 80 along a side track at a speed of up to 140 km/h. The collection of the technical indicators was ensured by over 1,500 sensors located both in infrastructure facilities and in the train itself. The total volume of information received exceeded 35 terabytes. Russian Railways Telegram | maximum.