**In an average American city, approximately 50% of available space is taken up by streets and parking lots.** In an average American city, approximately 50% of available space is taken up by streets and parking lots. This estimate varies slightly from source to source. This a colorization of Google Maps from the area around Dillions near my house:  **** # More ## Source [The Automobile Shapes The City: The"Footprint"of the Automobile on the American City](http://autolife.umd.umich.edu/Environment/E_Casestudy/E_casestudy2.htm) ## Related - [[Transportation Energy Efficiency Kings]] - [[Transport]]