1-3 Transportation Vehicles
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number
Mode 2001 2011 Air Air carrier aircraft 8,497 7,028 General aviation aircraft 211,446 222,250...General
Legacy ID
201
1-2 Transportation Facilities
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number
Mode 2001 2011 Air Certificated airportsa 635 547 General aviation airports 18,721 19,235...1-1 Transportation Network Length
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miles
Mode 2001 2011 Highway Public roads 3,948,335 4,077,756 Public road lanesa 8,251,865 8,567,618...Glossary
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 adjacent...
7 Environment
The U.S. transportation system is a major consumer of energy and generates significant environmental impacts.
7-1 Energy Consumption by Sector: 1960-2012 7-2 Transportation Energy Consumption by Source: 2012 7-3 Petroleum Consumption by Sector: 1960-2012 7-4 Greenhouse Gas Emissions...6 Safety
Transportation safety is the top priority of the U.S. Department of Transportation. Although progress has been made in reducing fatalities, over 30 percent of deaths due to unintentional injury involve transportation.
6-1 Transportation Fatalities by Mode 6-2 Transportation Injuries...5 Economy
Transportation is a major sector of the U.S. economy. The transportation system moves people and goods, employs millions of workers, generates revenue, and consumes resources and services provided by other sectors.
5-1 U.S. GDP by Spending Category: 2011 5-2 U.S. Transportation...4 Performance
The physical capacity of the U.S. transportation system has not kept pace with growth in travel and commerce. The resulting congestion and delays have significant impacts on passengers and freight shippers.
4-1 Road Congestion: 1985-2011 4-2 Top 10 Urban Area Congestion Rankings: 2011...3 Moving Goods
The freight transportation network links natural resources, manufacturing facilities, labor markets, and customers across the nation and with international trading partners.
3-1 Freight Shipments Within the U.S. by Mode 3-2 U.S. Trade by Coasts and Borders: 1990-2012 3-3 U.S.-NAFTA...2 Moving People
The U.S. transportation system makes personal mobility possible. Every day, people use the transportation system to get to and from work, school, and shopping, and for recreation, social and personal purposes.
2-1 Vehicle Miles Traveled 2-2 Highway Travel: 1970-2012 2-3 Passenger...