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KEY: TTI = Travel Time Index.
NOTE: The TTI is the ratio of peak period travel time to free-flow travel time. It expresses the average...
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NOTE: Trucks represents all types of trucks, including light trucks (sport utility vehicles, vans, and pickup trucks).
SOURCES: U.S. Department of...
Transportation fuel prices (in chained 2000 dollars1) experienced short-term flucuations between 1993 and 2003 (figure 15-4). For instance, the average price of motor fuel (all types of gasoline) decreased 14 percent in 1998, to $1.16 per gallon from $1.35 per...
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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...