It seems to be called a "pod", actually: http://www.independent.co.uk/life-style/gadgets-and-tech/news/milton-keynes-introducing-driverless-public-transport-pod

It seems to be called a "pod", actually: http://www.independent.co.uk/life-style/gadgets-and-tech/news/milton-keynes-introducing-driverless-public-transport-pods-by-2017-8925119.html http://www.independent.co.uk/life-style/gadgets-and-tech/new... (I wonder if the Internet connection makes it an iPod. ;-))