Are supersonic trains possible?

After operating the world's fastest commercial maglev train since 2003, China is now testing a much faster system that reportedly zooms at over 80% of the speed of sound. Referred to as an “electromagnetic sled,” the train has a top speed of 1,030 kilometers (640 miles) per hour.



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In addition, the tracks, signals, rail cars and software made in the U.S. are costlier than imports, largely because the government has not funded rail the way European and Asian countries have, experts say.

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The current world speed record for a commercial train on steel wheels is held by the French TGV at 574.8 km/h (357.2 mph), achieved on 3 April 2007 on the new LGV Est.

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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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Chinese researchers have unveiled a new prototype maglev train that they say can reach speeds of nearly 400 miles per hour.

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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 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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1. Amtrak Acela Express. the fastest rail system in the United States is the Amtrak Acela Express along the Northeast Corridor (NEC), with speeds of up to 150 miles per hour (240 km/h) in certain sections.

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The Glacier Express is the world's slowest train, taking more than eight hours to travel between Zermatt and St. Moritz in Switzerland at an average of 18mph. Along the way, it passes over nearly 300 bridges, travels through 91 tunnels and takes in endless stunning Alpine views.

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The planet's longest train trip would come to around 18,755 kilometres, take three weeks, travel through 13 countries and require at least seven different visas. Certain rules were taken into account. There should be no pointless back-and-forth between two places and no transfers to boats or planes (duh).

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“The project, as currently planned, would cost too much and take too long,” Newsom said as he took office. “There's been too little oversight and not enough transparency. Right now, there simply isn't a path to get from Sacramento to San Diego, let alone from San Francisco to L.A. I wish there were.”

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Maglev trains are a very cool technology, but far from simple. Every inch of the tracks have to be fitted with electromagnets and power lines which need to be powered and responsive all the time. The US generally won't even put up the funding to build ordinary passenger trains, at least in most places.

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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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1: Shanghai Maglev - 460 kph/286 mph (China) The world's fastest public train is also unique – it's the only link in the world currently carrying passengers using magnetic levitation (Maglev) rather than conventional steel wheels on steel rails.

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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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According to a study by the Los Angeles Times, the most current projected fare for the train, $86 a ride, would still be one of the most inexpensive high-speed rail trips on a per-mile basis. When funding for the project was first approved, however, tickets were projected to be closer to the $50 range.

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According to the latest data, as of the first half of 2022, the total liabilities of China National Railway Group totaled 6 trillion yuan, and in the first half of 2022 alone, it has lost 80.4 billion yuan, with an average loss of 400 million yuan per day.

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For example, most of the companies that run Japan's Shinkansen or bullet train lines operate at a profit, as do some fast trains on France's state-owned SNCF network.

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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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