1-6 Structurally Deficient Bridges: 1990-2012

Table Version | Excel

Source: U.S. Department of Transportation, Federal Highway Administration, National Bridge Inventory, available at www.fhwa.dot.gov/bridge/nbi.cfm as of October 2013.

1-5 National Highway System Pavement Condition

Table Version | Excel

Note: Pavement condition is measured by the International Roughness Index (IRI).

Source: U.S. Department of Transportation, Federal Highway Administration, 2010 Status of the Nation...

1-4 Airport Runway Pavement Condition

Table Version | Excel

Note: National Plan of Integrated Airport Systems (NPIAS) airports include commercial service airports, reliever airports, and selected general aviation airports.

Source: U.S. Department of...

1-3 Transportation Vehicles

Excel

number

1-2 Transportation Facilities

Excel

number

1-1 Transportation Network Length

Excel

miles

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.

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.

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.