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A comment on Ask HN: What under-the-radar technology are you excited about?. Parent comment

Re:Ask HN: What under-the-radar technology are you excited a... by Hizonner on Monday April 12, 2021 @07:09PM (#26786284)
> And they’ll be for pedestrians, bikes, and small subways like the London Underground uses.

Assuming such tunneling is in fact practical, I vote for burying the vehicles and letting the pedestrians have the surface...

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Re:Ask HN: What under-the-radar technology are you excited a... by Robotbeat on Monday April 12, 2021 @09:15PM (#26787125)
I completely agree. That really is the ideal scenario and we should indeed make the surface safe for kids to walk around with no fear of getting run over... Banish the cars underground. However there are cases where that isn’t practical or where there are weather constraints that make tunneling desirable (for instance, in Minnesota).
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Re:Ask HN: What under-the-radar technology are you excited a... by vitorbaptistaa on Tuesday April 13, 2021 @05:59AM (#26790215)
For a real world example of this, check Madrid's city centre. This is exactly what happened in the last few years, and the result is amazing.
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