<i>What&#x27;s the crux of this concern?</i><p>Price or rather TCO. That is, if the amount of cars needed is the same as today, then why should people prefer communal self driving cars instead of personal ones?<p>Of course same cars could be used during the day, the question is just how much it would bring the cost down.<p><i>That will go a long way to eliminating unnecessary journeys during peak times.</i><p>Or eliminate the idea of communal self driving cars. There are no unnecessary travel when you have to get to the point A on time.