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NOTES: Federal transportation expenditures consist of outlays of the federal government including not only direct spending but also...
While, on average, each person in the United States made nine long-distance trips in 2001, sociodemographic variables influence the number of these trips that individuals take. Among these variables are household income, gender, and age.
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NOTE: Other modes include only number of person-miles and person trips where a mode was reported.
SOURCE: U.S. Department of Transportation, Bureau of...
The United States traded $299.6 billion worth (in current dollars1) of transportation-related goods (e.g., cars, trains, boats, and airplanes and their related parts) in 2002 with its partners (figure 12-2). Motor vehicles and automotive...
Transportation in 2001 emitted 66 percent of the nation’s carbon monoxide (CO), 47 percent of nitrogen oxides (NOx), 35 percent of volatile organic compounds (VOC), 5 percent of particulates, 6 percent of ammonia, and 4 percent of sulfur dioxide.1 Highway vehicles...
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NOTES: 2000 was the most recent year for which these data were available by country at the time this report...
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NOTE: Excludes trips where age was not reported.
SOURCE: U.S. Department of Transportation, Bureau of Transportation Statistics and Federal Highway...
(Not seasonally adjusted)
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NOTES: These data were developed for research purposes only and are not official BTS data.
Air Travel Price Index values are...
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NOTE: Other includes modes such as automated guideway, Alaska Railroad, cable car, ferryboat, inclined plane, monorail, trolleybus, and vanpool.
...Developed by the Texas Transportation Institute, the Travel Time Index is the ratio of peak period travel time to free-flow travel time. A value of 1.0 indicates that traffic is moving freely. A value of 1.3 indicates that it takes 30...