Can high-speed rail be built underground?

The Badaling Great Wall Station is the world's deepest high-speed railway station. Buried 102 meters (335 feet) below ground and covering an area of more than 36,000 square meters, the three-story structure is said to be the world's deepest and largest underground high-speed railway station.



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As of 2023 the California High-Speed Rail Authority is working on the California High-Speed Rail project and construction is under way on sections traversing the Central Valley. The Central Valley section is planned to open in 2029 and Phase I is planned for completion in 2033.

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High-speed rail lines are proposed for California, Nevada, Texas, Georgia and the Pacific Northwest, and already under construction in California's Central Valley.

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It Takes Decades to Plan and Build However, because of cost overruns and the pandemic, the authority now projects completion no earlier than 2033, nearly 40 years after planning began. Not all high-?speed rail lines may take this long, but two decades seems a likely minimum.

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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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That works out to $200 million a mile for hilly areas. At these costs, Obama's original high-?speed rail plan would require well over $1 trillion, while the USHSR's plan would need well over $3 trillion. Building a system longer than China's would cost at least $4 trillion.

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High-speed train revolution China has built around 26,000 miles (42,000 kilometers) of dedicated high-speed railways since 2008 and plans to top 43,000 miles (70,000 kilometers) by 2035. Meanwhile, the United States has just 375 route-miles of track cleared for operation at more than 100 mph.

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Length of highspeed railway lines in use worldwide in 2021, by country. As of 2021, China had by far the longest highspeed railway network in the world with almost 40,500 kilometers of highspeed rail lines; the country was followed by Spain and Japan, both with more than 3,000 kilometers of highspeed rail each.

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High-speed rail is generally regarded as the pinnacle of attractive and green transportation. But all too often, it makes train travel more expensive and less flexible. In the end, costly high-speed lines may just push more people into cars.

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Empirical results suggest that the newly launched HSR services have induced industrial gentrification in the developed station area. Except for the displacement of agricultural production activities, HSR-induced industrial gentrification has not yet been manifested in the newly developed station area.

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High-Speed Rail is the Solution. Shifting drivers to trains creates fewer greenhouse gas emissions, since trains are far more energy efficient than cars (or planes).

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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 results of a national survey that show that nearly two-thirds of Americans are interested in traveling by high-speed rail and the figure soars to 74 percent among those in the 18-24 age brackets.

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The Little Engine That Couldn't: California's High-Speed Rail Costs Rise To $200 Million Per Mile. California's high-speed rail (HSR) pencils out to around $200 million per mile for the San Francisco–Los Angeles route.

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Japan's Shinkansen high-speed rail network opened for business on 1 October 1964.

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Japan's Shinkansen high-speed rail network opened for business on 1 October 1964.

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It probably comes as no surprise that in a global 2019 survey of railroad efficiency, the top two places went to Japan and Hong Kong, with scores of 6.8 and 6.5 (out of seven) respectively.

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Modelling by Virgin Hyperloop One in 2016 estimated a per-mile cost of $84 to $121 million for a cut-down 107-mile Bay Area project. This compares to a projected cost of $178 million per mile for the full Californian high speed rail project.

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California's plan is to build an electric train that will connect Los Angeles with the Central Valley and then San Francisco in two hours and 40 minutes.

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The plan to build a high-speed train that will connect Las Vegas with Southern California took another important step this month. The massive transportation project by Brightline could begin as soon as this year, with an estimated completion plotted for around 2027.

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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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Initially, Chinese employees received wages of $27 and then $30 a month, minus the cost of food and board. In contrast, Irishmen were paid $35 per month, with board provided. Workers lived in canvas camps alongside the grade.

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He said there are only a few examples of high-speed rail networks that turn a profit, due to a rare combination of passenger numbers and distance. 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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