Ever wondered why the other lane always seems to be moving faster? Why is the guy in the BMW giving you the finger? And are you as good a driver as you think you are? 'Traffic' explores these and many other questions and shows us that traffic is not simply a social ill or a design problem, but the key to unlocking the workings of whole cultures. From demonstrating the most common mistakes drivers make in busy car-parks to explaining the symbolic nature of the car in modern life and discussing the living, organic model of what physicists call 'emergent collective behaviour', Tom Vanderbilt reveals that traffic speaks volumes - it integrates people, forever intermingling class, race, religion, gender, age and lifestyle.