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DEMOGRAPHIC AND ECONOMIC FORCES IN THE U S THROUGH 1985
LIST OF CHARTS
11 other sections not shown
air passengers air traffic air transportation air travel air vehicles aircraft Airline auto travel average business travel capita Census cent of total central city changes characteristics city-center city-pair common carriers common-carrier commutation consumer costs countries decline density distances dollar East North Central economic employment estimated factors family income fares foreign travel future Gross National Product highway increase indicate industries intercity transportation intercity travel intra-urban transportation mass transportation metropolitan areas Metropolitan Region Middle Atlantic mileage blocks miles million modes operating Opinion Research Corporation overseas Pacific patterns per-capita PERCENTAGE DISTRIBUTION personal consumption expenditures personal travel population density potential private automobile projections public transportation rail relationship short-haul shown in Table Source South Atlantic speed square mile Statistics straight-line suburbs Survey total U.S. tourist transportation demand transportation needs Travel Market trends trips U.S. citizens U.S. population United urban areas urban transportation West South Central workers