text: The most significant effect, however, would be the safety of cyclists, joggers, and children playing in the street.  Every parent worries about their child being hit by a careless driver, so reducing the usage of cars would make car accidents virtually nonexistant.  Elizabeth Rosenthalsays that in Vauban, the "swish of bicycle chains and the chatter of wandering children drown out the occasional motor."  It sounds like heaven, but really it is only a group of people that are dedicated to a safer, greener world.