text: In addition, some of the ways that creators have come up with to make this happen is way out of our budget. As said in the section, instead of building "smarter cars" we could invest in building "smarter roads". This means that instead of putting all of the technology just in the car, it would also be included in the road system. This would cost millions, billions, maybe even trillions which is way out of our price range. The nation has too many things to take care of just to put all of our money towards something that we don't absolutely need.