Most houses in the SLC don't have driveways. Instead there are these back alleys that people use to get to their parking. Walking around the neighborhood by way of these is a favorite past time. The front yard of most homes is what the home owners want the world to see, but the back yards are a better picture of what their like. Also, it feels like you are being rebellious, peeking in on people's private lives. The other great thing about the alley system is that the look of the neighborhood is very clean. Just house after house.