
Is it really driverless - no, not at the test stage. There is still a driver in the front, but the cars are doing the driving themselves, and the driver is only there to monitor the performance and as a backup in case something goes wrong.
It is still very much in the trial stage, only covering a 2.6 sq mile (4 sq km) area and it is by invitation only to book, but they are on the road with Uber planning a similar launch in Pittsburgh in the US in a few weeks time.
Read more - BBC News