Figure 1-1: Urban Road Conditions in the District of Columbia: 2000

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KEY FOR DATA ON THIS PAGE: N = data do not exist.

NOTE: Numbers may not add to 100 due to rounding.

District of Columbia Fast Facts 2000

All public roads: 1,425 milesInterstate: 13 milesRoad bridges: 250Class I railroad trackage: 34 milesInland waterways: 7 milesPublic use airports: 21

Automobiles registered: 200,000Light...

I - Glossary

British thermal unit (Btu): The amount of energy required to raise the temperature of 1 pound of water 1 degree Fahrenheit (F) at or near 39.2 degrees F and 1 atmosphere of pressure.

Certificated airport: An airport holding an operating certificate issued by the...

H - Information on Data Sources

The U.S. Department of Transportations (USDOT) Bureau of Transportation Statistics (BTS) collects and compiles data on the volume of revenue passengers, freight, and mail traffic handled and reported by the nations large...

Acknowledgments

Norman Y. MinetaSecretary

Michael P. Jackson Deputy Secretary

Rick KowalewskiActing Director

William J. Chang Associate Director for Information Technology...

District of Columbia Transportation Profile

2002

Table 7-6: Highway Noise Barriers: 1999

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Table 7-5: Delaware Air Quality Nonattainment Areas for Ozone (O3)

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Table 7-4: Delaware and U.S. Motor-Fuel Use: 2000

(Millions of gallons)

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Table 7-3: Transportation Energy Consumption per Capita: 1999

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