In turn, we would have to rely on walking, cycling, bus or train. Granted, this wouldn't be too much of an adjustment for larger areas where stores are closer together and parking is limited – like a New York City where citizens walk almost everywhere – but in a city like Killeen, Texas, all the stores are extremely scattered. Not having more vehicles would mean a decrease in family size, because one can only imagine the constraints and stress of having to walk or travel by bus with numerous children. Some parents currently find it difficult to travel with a child in a car. Since they will no longer have this luxury, society will adapt and have fewer children, if any. The difficulty of carrying a child and a car seat while traveling long distances is immeasurable, and carrying the same car seat from bus to bus is a hassle. At one point, when automobiles were still extremely popular, flying was a faster but more expensive means of travel. However, when the United States becomes a car-free society, this will no longer be the case. You could no longer drive an hour down the road to visit family on impulse, you would need to plan for tickets and other expenses. However, since flying is one of the few travel opportunities, prices would surely fall from when they were inflated