Wasted space

There are approximately 2.5 times as many parking spaces as people in the U.S. That space could be used for homes or green space once cars aren't left sitting idle -- which, today, they are about 95% of the time

240 million vehicles

1 million

810 million parking spaces

Source: ACCESS magazine Note: Only counting passenger vehicles. Vehicle and parking estimates as of 2011. Population is estimated at 326 million