A bit is driverless. At Paddington the driver gets off and the train goes into a siding, then comes back on the East bound platform. Makes sense, either you h

A bit is driverless. At Paddington the driver gets off and the train goes into a siding, then comes back on the East bound platform. Makes sense, either you have a different driver waiting to board the back of the train, or wait for the driver to walk the 250m of train to get to the other end.