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Re:Ask HN: What under-the-radar technology are you excited a... by hinkley on Tuesday April 13, 2021 @12:46AM (#26788209)
Roads cost a ridiculous amount of money. They start at a million per mile and go up from there. Think about how many miles of road their are just in your neighborhood.

The people who complain about how much of our cities are paved have a substantial point.

Re:Ask HN: What under-the-radar technology are you excited a... by coolspot on Tuesday April 13, 2021 @01:56AM (#26788544)
But this LV tunnel is one-lane, so it should be compared to one-lane surface road, which is, like you said, is ~$1MM a mile.
Re:Ask HN: What under-the-radar technology are you excited a... by Robotbeat on Tuesday April 13, 2021 @02:02AM (#26788586)
No, not in urban areas.