Editing Economy of the United States (section)

====Road====
The U.S. economy is heavily dependent on road transport for moving people and goods. Personal transportation is dominated by automobiles, which operate on a network of four million miles (6.4 million km) of public roads,<ref>{{cite web|title=Public Road and Street Mileage in the United States by Type of Surface|url=http://www.rita.dot.gov/bts/sites/rita.dot.gov.bts/files/publications/national_transportation_statistics/html/table_01_04.html|website=United States Department of Transportation|access-date=January 13, 2015|archive-date=January 2, 2015|archive-url=https://web.archive.org/web/20150102141414/http://www.rita.dot.gov/bts/sites/rita.dot.gov.bts/files/publications/national_transportation_statistics/html/table_01_04.html|url-status=dead}}</ref> including one of the world's [[National Highway System (United States)|longest highway systems]] at 57,000 miles (91,700{{spaces}}km).<ref>{{cite news |url= http://www.newgeography.com/content/002003-china-expressway-system-exceed-us-interstates |title=China Expressway System to Exceed US Interstates |work=New Geography |location =Grand Forks, ND |date=January 22, 2011 |access-date=September 16, 2011}}</ref> The world's second-largest automobile market,<ref>{{cite news |url= https://www.theguardian.com/business/2010/jan/08/china-us-car-sales-overtakes |title=China overtakes US in car sales |newspaper=The Guardian |date=January 8, 2010 |access-date=July 10, 2011 |location=London}}</ref> the United States has the highest rate of per-capita vehicle ownership in the world, with 765 vehicles per 1,000 Americans.<ref>{{cite web |url= http://www.nationmaster.com/graph/tra_mot_veh-transportation-motor-vehicles |title=Motor vehicles statistics – countries compared worldwide |publisher=NationMaster |access-date=July 10, 2011}}</ref> About 40% of [[Passenger vehicles in the United States|personal vehicles]] are vans, [[Sport utility vehicle|SUVs]], or light trucks.<ref>{{cite web|url= http://www.bts.gov/publications/highlights_of_the_2001_national_household_travel_survey/html/section_01.html|title= Household, Individual, and Vehicle Characteristics|publisher= U.S. Dept. of Transportation, Bureau of Transportation Statistics|work= 2001 National Household Travel Survey|access-date= August 15, 2007|archive-url= https://web.archive.org/web/20070929125403/http://www.bts.gov/publications/highlights_of_the_2001_national_household_travel_survey/html/section_01.html |archive-date=September 29, 2007|url-status= dead|df= mdy-all}}</ref>