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147 million licensed 1977 Nationwide Personal 1981 Financing 31 percent 9«/gallon April automobiles billion gallons Bridge Condition Capital Outlay CM CO CM Condition and Performance deficient or functionally Deteriorating Federal Highway Administration Federal-Aid Systems Financing Our Highways Fleet Motor Vehicle functionally obsolete Gasoline gvw and trailers highway fatalities Highway Fuel Consumption Highway System Total Highway Trust Fund license to drive lndices lnterstate System Maintenance Mileage and Travel mileage has increased Miles Thousands miles-per-gallon million licensed drivers Millions of Vehicle Motor-Vehicle Travel Nation's highways Nationwide Personal Transportation nearly new condition Number percent in 1981 percent of total Personal Transportation Study personal travel portion of miles Portland cement concrete roads and streets Rural Urban Total street mileage structurally deficient System Total Road Total Disbursements Total Highway Fuel total travel Travel Millions trucks Trust Fund Receipts Urban Total Percent Vehicle Fleet Motor Vehicle Miles Vehicle-Miles of Travel Weight Less