Figure 5-1 - Miles Traveled per Day: 2001

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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...

Figure 15-7 - Passenger-Miles of Travel, Energy Consumption, and Energy Efficiency Index: 1991-2001

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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...

Vehicle Loadings on the Interstate Highway System

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...

Commercial Freight Activity - BOX 2-C

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...

Figure 15-2 - Transportation Sector Energy Use and Gross Domestic Product: 1993-2003

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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....

Motor Vehicle-Related Injuries

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 Time Index Research

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...

Transit Ridership by Transit Authority

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...

Figure 2-7 - Domestic Freight Ton-Miles by Mode: 1991-2001

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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...

Government Transportation Investment

Gross government transportation investment,1 including infrastructure and vehicles, has increased steadily over the last decade. The Bureau of Transportation Statistics has estimated that total gross government transportation investment reached $86.1...