In the recent times , we are living in a fast developing world . Due to that development we can we can assume that in the future all cars,buses,trucks will be driverless.In other words: only passengers can travel inside those transportation machines .Personally speaking, I believe that in spite of the benefits , the drawbacks of driverless transportation machines are much more. In this essay ,I will discuss and outline why I believe that the cons are more effective and outweighs the pros.