obviously at that point people start to question if ownership is necessary given how easily and quickly you could summon a unit out of a fleet and only pay for

obviously at that point people start to question if ownership is necessary given how easily and quickly you could summon a unit out of a fleet and only pay for what you use. And thus uber for self-driving-cars was born. Longer term traffic could probably be reduced by autonomous-only roads/infrastructure that has less need for traffic lights, etc.