Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Sokol was a planned high speed train in Russia. It was to be a successor of the ER200 for use on the Moscow-St. Petersburg mainline, and was designed to operate at a cruising speed of 300 km/h. A prototype was built in 1997 and tested by Russian High Speed Railway Shareholding Co. The Sokol project was cancelled in 2002. Instead of a Sokol-based design, high speed trainsets based on the Siemens Velaro were procured from Siemens in Germany. The Sapsan trains have been operating on the Moscow-St.Petersburg line since December 2009.

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