Infographic chart depicting the world's fastest trains. With a maximum speed of 602 km/h, Japan's L0 Series Maglev train is the world's fastest train however it is not due to be operational until 2027. Maglev (magnetic levitation), uses two sets of magnets to elevate the train and propel it forward without friction to slow it down. France's TV POS train is the fastest conventional electric train, reaching a maximum speed of 575 km/h.