Scott Adams, who draws the Dilbert cartoons, suggested that in spite of having some accidents driverless cars may reduce accidents on net if only in that they could eliminate drunk driving. It might prove true of trucks also in that you can eliminate a lot of driver fatigue. Trucking companies will like not having to seek drivers and not having their trucks stop to rest every so often. You might even have long-haul trucks only or mostly operate at night.
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