Scotland is rolling out self-driving buses in what's being called a world first for public transport.
The fleet of five busses will carry up to 10,000 passengers every week along a 22km route.
However the busses will need two staff members - one sitting in the driver's seat - as the law doesn't yet allow for fully driverless vehicles.
Guyon Espiner spoke to transport writer Gareth Dennis, who says the move a step backwards.
