Although driverless cars sound perfect, there are limitation. For instance, automated cars cannot anticipate the unexpected like humans Can they might not recognize when a police officer tells traffic to stop or pull off the Road. Driverless cars may be too polite on the highway,where many people speed. A car that is following the speed limit could cause more accident. In addition, if an accident does occur,.who is to blame? Do you blame the driver? The car? The car manufacturer? Driving laws are written for human drivers, not Robots. Therefore countries will have to decide who is responsible and write new laws, Which won't be easy