What is the 400kph train?

The ALFA-X (which stands for Advanced Labs for Frontline Activity in rail eXperimentation) will become the world's fastest bullet train when it enters service in 2030. It's capable of hitting speeds of up to 400kph — 80kph more than the current generation of Shinkansen trains.



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While most Shinkansen currently operate at a maximum of 300 kph (186 mph), the E5 “Bullet Trains” of Japan Railways East (JR East) run at up to 320 kph (200 mph) on the Tohoku Shinkansen, which runs north from Tokyo to Shin-Aomori.

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The new Acela will operate at top speeds of 160 mph vs. today's fleet, which operates at top speeds of 150 mph. Amtrak's new Acela fleet is scheduled to enter service on the NEC in 2024.

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Most Shinkansen trains operate at speeds of about 500 kilometers per hour (200 to 275 miles per hour).

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Train services There is a direct train service from Tokyo to Akita which takes exactly 237 minutes. The Komachi train can run at a maximum speed of 320 km/h (200 mph) on the Tohoku line. The Komachi train services are operated by E6 series trains with 7 coaches.

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The shinkansen train uses superconducting maglev (short for magnetic levitation) to achieve these incredible speeds. As the train leaves the station, it's rolling on wheels. But as it speeds up, the wheels retract, and the power of magnets allows the vehicle to hover four inches above the ground.

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CLIMATEWIRE | The first U.S.-made high-speed bullet trains will start running as early as 2024 between Boston, New York and Washington, with the promise of cutting transportation emissions by attracting new rail passengers who now drive or fly.

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While the US was a passenger train pioneer in the 19th century, after WWII, railways began to decline. The auto industry was booming, and Americans bought cars and houses in suburbs without rail connections. Highways (as well as aviation) became the focus of infrastructure spending, at the expense of rail.

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In 1934, Flying Scotsman achieved the first authenticated 100 mph (161 km/h) by a steam locomotive.

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Their speed, however, will be limited by the complexities of the 457-mile route, which is old, curvy and carries a mix of freight, commuter and intercity trains. Most Amtrak trains travel between 110 mph to 145 mph in the corridor, depending on the track and proximity to stations.

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Maglev trains work on the principle of magnetic repulsion between the cars and the track. The word maglev is actually a combination of the words “magnetic” and “levitation.” The magnetic levitation, or floating of the train, is achieved through the use of an electrodynamic suspension system, or EDS.

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The project aims to eventually carry passengers and cargo at a speed of 1,000km/h (621mph) or faster in a near-vacuum tube and, if successful, would be the world's fastest ground-based transport technology.

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American railways were also built on a wider gauge (the distance between the rails), which allows for larger and heavier trains. As a result, American freight railways are much more efficient than their European counterparts, carrying almost three times as much cargo per mile of track.

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China initially relied on high-speed technology imported from Europe and Japan to establish its network. Global rail engineering giants such as Bombardier, Alstom and Mitsubishi were understandably keen to co-operate, given the potential size of the new market and China's ambitious plans.

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While the US was a passenger train pioneer in the 19th century, after WWII, railways began to decline. The auto industry was booming, and Americans bought cars and houses in suburbs without rail connections. Highways (as well as aviation) became the focus of infrastructure spending, at the expense of rail.

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On the train itself are superconducting electromagnets, called bogies. When stopped, the train rests on rubber wheels. To begin motion, the train moves forward slowly on these wheels, allowing the magnets beneath the train to interact with those of the guideway.

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See China's first high-speed overwater bullet train line The new line in China's Fujian province goes along the west side of the Taiwan Strait, with the trains running as fast as 217 miles per hour. Why is Saudi Arabia signing so many soccer players?

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