From Wikipedia: "In July 2014 The World Bank reported that the per kilometer cost of California's high-speed rail system was $56 million, more than double the

From Wikipedia: "In July 2014 The World Bank reported that the per kilometer cost of California's high-speed rail system was $56 million, more than double the average cost of $17–21 million per km of high speed rail in China and more than the $25–39 million per km average for similar projects in Europe." "As of May 2015, both construction packages awarded have come in significantly under staff estimates." "In December 2016, an internal-use-only draft risk assessment produced by the Federal Railroad Administration was delivered to the California Rail Authority which warned that the ICS (Merced-Bakersfield) segment could cost as much as $9.5 billion instead of the $6.4 billion originally budgeted" https://en.m.wikipedia.org/wiki/California_High-Speed_Rail https://en.m.wikipedia.org/wiki/California_High-Speed_Rail