The maximum speed is , however this speed is allowed only on distance of less than 10 km of tracks. A maximum speed of 220 km is permitted on 110 km of tracks; the rest of the route allows a maximum speed of 200 km/h. The fastest train taking 3 hours and 30 minutes (which gives an average speed of 185 km/h). The Siemens Velaro RUS train, also known as Sapsan, has operated on this line since 2009, running below their maximum speed of () because of difficulties upgrading all the track. Russian Railways spent nearly $1 billion on eight trains. In 2019, a third order of €1.1 billion for 13 more trains of the same model was signed.