Urban Traffic Intensity by
Population Density: USA Urban Areas
Urban Areas Over 1,000,000 Population

Population per Square Mile Vehicle Miles per Urban Square Mile Compared to Under 2,500
Over 5,500 146,300 2.58
4,500 - 5,500 97,900 1.72
3,500 - 4,500 89,600 1.58
2,500 - 3,500 71,500 1.26
Under 2,500 56,800 1.00
Average 77,500 1.36
Estimated from 2005 FHWA HIghway Statistics & Census data

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