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Figure 1-2: Urban Road Conditions in Illinois: 2000

Figure 1-2: Urban Road Conditions in Illinois: 2000

Excel | CSV | Table Version

NOTE FOR DATA ON THIS PAGE: Road condition is based on measured pavement roughness using the International Roughness Index (IRI). IRI is a measure of surface condition. A...

Figure 1-1: Rural Road Conditions in Illinois: 2000

Figure 1-1: Rural Road Conditions in Illinois: 2000

Excel | CSV | Table Version

KEY: N = Data do not exist

NOTE FOR DATA ON THIS PAGE: Road condition is based on measured pavement roughness using the International Roughness Index (IRI)....

Illinois Fast Facts 2000

Illinois Fast Facts 2000 Transportation System Extent

All public roads: 138,372 miles Interstate: 2,165 miles Road bridges: 25,497 Class I railroad trackage: 8,088 miles Inland waterways: 1,095 miles Public use airports: 114 (17 certificated for air carrier operations)1

...

I - Glossary

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

H - Information on Data Sources Airline freight and passenger data

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

Acknowledgments U.S. Department of Transportation

Norman Y. Mineta Secretary 

Michael P. Jackson Deputy Secretary

Bureau of Transportation Statistics

Rick Kowalewski Acting Director

William J. Chang Associate Director for Information Technology

John V...

Table 7-7: Highway Noise Barriers: 1999

Table 7-7: Highway Noise Barriers: 1999

Excel | CSV

State Total length (meters) Barrier cost ($ 1998) Alabama 0 0 Alaska 9,338 2,742,486 Arizona 48,593 15,130,670 Arkansas 1,989 653,497 California 777,160 487,177,331...