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But wouldn't a Waymo car drive much more than 2x the amount of hours/miles per day as a human-operated vehicle?

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Are you referring to this quotation? If so, it’s about the accident rate

‘we see that the “best” autonomous vehicles are involved in incidents at a rate of almost 2x non-autonomous vehicles while the worst have accidents at a rate of 8.5x higher.’

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Yes. I was just suggesting they drive around a lot more than a non-autonomous vehicle and therefore would have a higher accident rate.

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Ah, fair enough! We can probably clarify this is normalized to the same distance/time

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Ah yes, this clarification would be helpful. I had the same thought as the OP.

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Thanks for asking—I spoke to Justin who wrote this part and he feels normalizing by miles is a deceptive metric—there’s actually a lot to say here so we plan to amend and/or write something separate on this soon!

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