Human drivers can't be cheap either, and they reduce the capacity of the vehicle by a whopping 25%. Or are the cars in self driving mode but still stuck with t

Human drivers can't be cheap either, and they reduce the capacity of the vehicle by a whopping 25%. Or are the cars in self driving mode but still stuck with the driver alertness systems? That would be a terrible job, holding on the wheel of a self driving car in a tunnel all day long just to keep the self driving system from getting mad and stopping the car.