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With respect to the movement of people:
All indicators show declines in personal travel for every age group, particularly among young people since the early 2000s. It is too soon to tell whether this decline is temporary or indicative of a long-term trend....With respect to the physical condition of the U.S. Transportation System:
The condition of the U.S. transportation infrastructure is improving, but additional work is needed. The percentage of structurally deficient bridges declined from 12.3 percent in 2007 to 11...The Bureau of Transportation Statistics compiles trends and other statistics in its online publication—National Transportation Statistics [USDOT BTS 2014].
Among the trends:
Lane-miles increased 0.4 percent between...The transportation system of the United States connects 118.7 million households, 7.4 million business establishments, and 89 thousand governmental units with one another and the rest of the world through 4 million miles of roads, more than 19,000 public and private...
Air carrier: Certificated provider of scheduled and nonscheduled services.
Chained dollars: A method to measure real changes in dollar values between years that uses chain-type indexes, rather than constant dollars. The method first calculates the real changes between...
Graphic Version | Excel
Year Thousands of hybrid sales Light duty vehicle sales (thousands) Hybrid market share (percent) 2000 9 17,164 0.1 2001 20 16,...Graphics Version | Excel
thousands
Year Othera Electricb Natural gasc LPG Ethanold Total 1995 18.7 2.9 50.8 172.8 1.7 246.9...Graphic Version | Excel
miles per gallon
Year Passenger car CAFE standard Light-truck CAFE standard Passenger car new fleet Light-truck new fleet On-road fleet 1990...Graphic Version | Excel
percent of TgCO2 Eq.
Mode TgCO2 Eq. Percent Highway 1,559 85 Air 147 8 Water 41 2...Graphic Version | Excel
Index: 2002 = 1.0
Year Carbon monoxide Nitrogen oxide Volatile organic compounds PM-10 PM-2.5 Sulfur dioxide Ammonia 2002 1.00 1....