Why Are Americans Driving Less?

Over the years, car ownership and driving mileage have tended to increase with great regularity. But logic suggests that this march toward complete motorization would eventually plateau — and that’s exactly what transportation scholars have begun to notice. A new study (pdf) by Adam Millard-Ball and Lee Schipper looked at driving behavior in several countries, including the United States, and found some compelling evidence that America has reached a “saturation point for vehicle ownership and travel”.