text: Driverlesss cars have driven by themselves with more than half a million miles without a crash. These cars have the best technology within them. Radar sensors, GPS recievers, internal motion sensors, the list goes on and on . All these special features are helpful and allowthe car to actually mimic the skill of a human driver. Speed sensors are yet to fail on not detecting and responding to the danger of out-of-control skids and rollovers. Many more improvenments for this car are coming and will allow them to handle harder tasks on their own.