Hyperloop faces several major challenges that have slowed its progress. One big issue is the high cost of building the infrastructure, including long vacuum tubes. Engineering challenges are also significant, especially maintaining low pressure over long distances. Safety is another concern, especially at such high speeds. Governments would need to approve strict regulations before it can be widely used. There are also concerns about passenger comfort due to forces at high speeds. All of these factors make it difficult to turn the idea into a real transportation system.
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