2012-12-14. Frist EP20 electric locomotive start working with passenger trains by Sankt-Petersburg - Moscow route. This locomotive is dual-system, maximal speed is 200 km/h.
Photos:
By ER2-1236 (Own work) [CC-BY-SA-3.0 (http://creativecommons.org/licenses/by-sa/3.0)], via Wikimedia Commons
Lenght of this line about 850 kilometers. Passenger trains are serviced by locos ChS2T (soon withdrawn), ChS6, ChS200 (high-speed).