Why there is no bullet train in USA?

Tracks: None of the nation's rail lines are built for trains to run 200 mph. Amtrak's Northeast Corridor — the busiest intercity U.S. passenger route by a wide margin — is filled with sharp curves, bottlenecks, decaying tunnels, bridges and overhead power lines that slow down trains.



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High-Speed Rail Is Too Expensive Building the 48,000-mile Interstate Highway System cost about $500 billion (in today's dollars). Paid for entirely out of user fees, it carries about 25 percent of all passenger travel and 15 percent of all freight in the United States.

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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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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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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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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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Japan: L0 Series Maglev (374 mph) Although not yet in regular service, this Japanese train, which is currently being developed and tested by the Central Japan Railway Company (JR Central), holds the land speed record for rail vehicles, clocking in at 374 mph.

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What's faster than a speeding bullet, a phrase used to describe Superman? The new Shinkansen, or Japanese bullet train. Japan Rail announced the design of a magnetic levitation train that will achieve speeds over 600 kilometers per hour (374 miles per hour), or 1 mile (1.5km) every 10 seconds.

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That's thanks to the track's design, with curves too sharp for the speed; tunnel and bridge infrastructure too old to take the forces of the speed; and congestion with freight traffic that makes high-speed trains dangerous.

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Implementing high-speed rail will keep billions of dollars in the U.S. economy by decreasing the amount of oil that the U.S. consumes. According to the International Association of Railways (UIC), high-speed rail is eight times more energy efficient than airplanes and four times more efficient than automobile use.

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Acela trains will reach top speeds of 165 mph (265 km/h) when new trains enter service, and 186 mph (300 km/h) in coming years. Other services reaching 125 mph (200 km/h) are prevalent in the US, and are officially classified as higher-speed rail.

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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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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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Humans can't sense speed. They can sense acceleration, but the shinkansen accelerates gradually and smoothly. It also decelerates gradually and smoothly. So the only way you can really sense you are travelling at 300kph is by the way things move past you so quickly in the foreground.

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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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Notable HSR lines in China include the Beijing–Guangzhou high-speed railway which at 2,298 km (1,428 mi) is the world's longest HSR line in operation, and the Beijing–Shanghai high-speed railway with the world's fastest operating conventional train services.

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The fast and the floating: China's is leading the world in the introduction of Maglev train services. Fuxing fast: China's CR400 Fuxing trains run at a commercial maximum of 350 kph (217 mph) but have successfully reached 420 kph (260 mph) on test.

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The Federal Railroad Administration does not currently set any limits on train lengths – and also doesn't regularly track train lengths or their associated risks. That has allowed freight railroad companies to occasionally operate trains up to 8 kilometres (5 miles) long.

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