In commute mode self-driving interconnected cars or shuttles could enter in some kind of virtual train mode that would enable them to drive at much lower safety

In commute mode self-driving interconnected cars or shuttles could enter in some kind of virtual train mode that would enable them to drive at much lower safety distance or virtually bumper to bumper thereby vastly improving the road capacity while also reducing the drag each car has to deal with. https://en.wikipedia.org/wiki/Safe_Road_Trains_for_the_Environment https://en.wikipedia.org/wiki/Safe_Road_Trains_for_the_Envir...