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Office of Planning, Environment, & Realty (HEP)
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Added Number of Vehicles per Decade (Millions): 1960-2000

 1960-19701970-19801980-19901990-2000
Added Households24.250.722.625.9


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Updated: 04/28/2011
HEP Home Planning Environment Real Estate
Federal Highway Administration | 1200 New Jersey Avenue, SE | Washington, DC 20590 | 202-366-4000