When will we catch up to the future? “An investigation into the high cost of subway projects in New York City found that while the Second Avenue Subway cost $2.5 billion per mile, a similar expansion of Paris’s Metro is on track to cost only $450 million per mile. There are many factors that go into the high cost of transportation projects in the United States that Musk doesn’t address, either out of ignorance or to be purposefully misleading. This may well be the case with Hyperloop.”