Road density measured by km of road per 100 km2 of land area reached 66.6 km in 2010 in the USA, according to the National Statistical Office. This is 0.634% less than in the previous year.
Historically, road density measured by km of road per 100 km2 of land area in the USA reached an all time high of 68.0 km in 2005 and an all time low of 66.0 km in 2008.
USA has been ranked 23rd within the group of 56 countries we follow in terms of road density measured by km of road per 100 km2 of land area.
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