Uber’s self-driving cars have some technical features which makes it more safe and better service. There are 20 cameras on the top of the car looking for the pedestrians or other obstacles.
Top mounted Lidar beams create 3D maps of the car’s surroundings. A colored camera puts this map into the color that the car can see the traffic light changes. Cooling system in the car work for the stopping the overheating. Car makes its position with the help of Antennae via GPS. With these features, Uber self-driving car works. This service is not fully started in few cities.