The Sapsan, also known as Velaro RUS EVS, is a Russian gauge high speed electric express train. The train is a Siemens Velaro model, which in turn is based on the ICE 3M/F high-speed trains manufactured by Siemens Mobility for Russian Railways (RZD). The trains started regular service on the Saint Petersburg–Moscow Railway in December 2009, at a maximum speed of 250 km/h (155 mph) and journey time of four hours between Moscow and Saint Petersburg.