Whether or not it was the intention, that's been the effect. In a small town I grew up in, a commuter train line was installed and the place started to grow. Th

Whether or not it was the intention, that's been the effect. In a small town I grew up in, a commuter train line was installed and the place started to grow. They implemented minimum two acre lot sizes for all new construction; not many can afford such a huge lot, nevermind building the house afterwards.