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California's 68 Billion Bullet Train Project Faces Major Hurdles |
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Présentation : New submitter willworkforbeer writes The proposed US 68B high speed rail project in California faces extraordinary hurdles, both in terms of budget and timeframe. Even Einstein no, not that one Herbert Einstein, an MIT civil engineer and top tunneling expert says the schedule is probably not possible. Having looked at a number of these long tunnels, the California plan is aggressive, said Einstein, who has consulted on a 35-mile-long tunnel under the Swiss Alps. From a civil engineering perspective it is very, very ambitious to put it mildly. New York's 11-mile East Side Access tunnel project is 14 years late and about 2.5x its original budget. If California's 72 miles of tunnels twin tunnels of 36 miles go like New York's, that would be over US 160B spent, with an opening date sometime in the 2030s. The article goes through a number of complicating factors for the tunnels, from the major faults they must cross to the melange of rock types they must drill through. Share on Google Read more of this story at Slashdot.
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