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If the political willpower existed for building metros at Chinese speeds in North America then I would volunteer first to be the person swapping out the drill heads.

Unfortunately infrastructure is a slow moving game and we have to settle for less on this continent.

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I'm gonna enjoy chilling in a self-driving car while other people stand in a crowded train in 20 years. ;)

You mean, enjoy sitting in never-ending traffic jam while people in a crowded train pass you by?

no, he should continue to work in self-driving car, otherwise, what's the point of self-driving :)

Ideally, if OP doesn’t spend a load of $$$ on a self-driving car, OP wouldn’t have to work more (to pay it off) and could retire sooner. But this world seems to be rather spendthrifty than thrifty.

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