Pennsylvania Fast Facts 2000

All public roads: 119,642 miles Interstate: 1,757 miles Road bridges: 22,052 Class I railroad trackage: 3,654 miles Inland waterways: 259 miles Public use airports: 128 (17 certificated for air carrier operations)1

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. Mineta Secretary

Michael P. Jackson Deputy Secretary

Rick Kowalewski Deputy Director

William J. Chang Associate Director for Information Technology

John V....

Pennsylvania Transportation Profile

2002

Table 7-8: Highway Noise Barriers: 1999

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Table 7-7: Oregon Air Quality Nonattainment Areas for Particulate Matter (PM-10)

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Table 7-6: Oregon Air Quality Nonattainment Areas for Ozone (O3)

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Table 7-5: Oregon Air Quality Nonattainment Areas for Carbon Monoxide (CO)

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

(Millions of gallons)

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