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NOTES: Large trucks are defined as trucks over 10,000 pounds gross vehicle weight rating (GVWR), including single-unit trucks and truck...
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NOTE: Data are from the daily travel segment of the 2001 National Household Travel Survey. Long-distance travel data (i.e., trips of 50 miles or more collected during a 4-week travel period) are...
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NOTE: For detailed information on data used here, see tables 15-7 and 15-8 in appendix B.
SOURCES: Passenger-miles...
Large combination trucks1 represent a small portion of traffic on the U.S. Interstate Highway System [1]. Because they are heavier, they may cause more pavement damage, a measurement that is estimated in terms of vehicle loadings (box 4-A). In...
Accurately measuring the magnitude of freight movement is a challenge. No single data source provides complete and timely information on all freight transportation modes for all goods and...
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KEY: Btu = British thermal units; GDP = Gross Domestic Product—GDP is shown in terms of 2000 chained dollars.
SOURCES: U.S....
There were an estimated 3.6 million motor vehicle-related injuries in the United States in 2002, according to data reported to the U.S. Consumer Product Safety Commission (CPSC)1 (box 9-D) [1]. An estimated 3.3 million of these injuries involved motor vehicle...
Air travel times and the reliability of expected travel times are important determinants of customers’ satisfaction, air system operating efficiency, and policymakers’ success in meeting performance objectives. A major reason consumers choose to...
Approximately 78 percent of all unlinked transit passenger trips in 2002 were made within the service area of just 30 transit authorities. These 30 top authorities logged 7.0 billion unlinked trips in 20021 (figure 7-5). New York City Transit alone...
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SOURCES: Air, oil pipeline, and water—U.S. Department of Transportation (USDOT), Bureau of Transportation Statistics (BTS), National Transportation Statistics 2002, table...