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原文传递 Bureau of Transportation Statistics, National Transportation Statistics 2003.

题名：	Bureau of Transportation Statistics, National Transportation Statistics 2003.
作者：	C. Moore;
关键词：	transportation,statistical data/united states, transportation systems, fatalities, hazardous materials, transportation safety, transportation planning, environmental impacts, economic analysis, energy use, employment, tables(data)/united states, transportation systems, fatalities, hazardous materials, transportation safety, transportation planning, environmental impacts, economic analysis, energy use, employment, tables(data)
摘要：	Compiled and published by the Bureau of Transportation Statistics (BTS), U.S. Department of Transportation, National Transportation Statistics 2002 presents information on the U.S. transportation system1, including its physical components, safety record, economic performance, energy use, and environmental impact. National Transportation Statistics 2002 is a companion document to the Transportation Statistics Annual Report, which analyzes the data presented here. The report has four chapters: Chapter 1 provides data on the extent, condition, use, and performance of the physical transportation network. Chapter 2 details transportations safety record, giving data on accidents, crashes, fatalities, and injuries for each mode and hazardous materials. Chapter 3 focuses on the relationship between transportation and the economy, presenting data on transportations contribution to the gross domestic product, employment by industry and occupation, and transportation-related consumer and government expenditures. Chapter 4 presents data on transportation energy use and transportation-related environmental impacts. Appendix A profiles each mode,1 and appendix B contains metric conversions of select tables. In addition, as part of BTS's ongoing effort to identify and assess the extent of data errors, appendix C includes brief discussions of the quality of the data presented in many of the tables. BTS obtained the data in this report from many sources, including federal government agencies, private industry, and associations. Some of the data are based on samples and are subject to sampling variability. Data from all sources may be subject to omissions and errors in reporting, recording, and processing. Documents cited as sources for the tables often provide detailed information about definitions, methodologies, and statistical reliability.
报告类型：	科技报告