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develop and scale Physical AI applications.
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This disparity matters because transportation modes do not exist in isolation. The Federal Railroad Administration itself calls U.S. freight rail the safest in the world and has set record safety performance in 2025; but when regulations make rail shipping more expensive, shippers respond rationally by moving freight to far more dangerous trucks. Every percentage point shift from rail to truck increases overall risk to the public.，更多细节参见PDF资料