Japan has started testing the world’s fastest bullet train, capable of reaching speeds as much as 400 kilometers per hour (249 miles per hour). Called the ALFA-X, the train is scheduled to go into service with Japanese rail company JR East in 2030. Once it enters operation sometime around 2030, it will run at a speed of up to 360 kph (224 mph), comfortably making it the world's fastest bullet train.

Japan has started testing the world’s fastest bullet train, capable of reaching speeds as much as 400 kilometers per hour (249 miles per hour). Called the ALFA-X, the train is scheduled to go into service with Japanese rail company JR East in 2030. Once it enters operation sometime around 2030, it will run at a speed of up to 360 kph (224 mph), comfortably making it the world's fastest bullet train.