Presents basic information on America's transportation system at the national scale, including the physical network, economic performance, and its safety record, energy use, and related air emissions. Includes statistics on travel and goods movement; vehicle, aircraft, and vessel inventories; consumer and government expenditures on transportation; employment and productivity of transportation industries; and transportation's safety record with data on fatalities, injuries, and accidents for each mode and for hazardous materials. Appendices include modal profiles, metric conversion tables and a glossary. Tables. Bibliography.