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by pro-duct 2352 days ago
This sounds comically obvious, but WOW that was fast. Really impressed that they are delivering on some of their promises, given Musk's history of over-optimism. Sincerely wishing them the best of luck, because if they can pull this off, there will be other cities making deals with them (please San Francisco I'm begging you)
2 comments

They just used an off-the-shelf machine from another company. Modern tunnel boring machines are this fast.
they are doing San Jose for their grade separation project