"Smaller towns" are one thing, but there are a lot of people who live outside any city limits. You're not going to link up every rural farmhouse with busses and

"Smaller towns" are one thing, but there are a lot of people who live outside any city limits. You're not going to link up every rural farmhouse with busses and light rail. Even those who do live in town are likely to have friends and relatives who don't, and they're unlikely to want to rent a vehicle every time they leave town to visit them.