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

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

NOTE FOR DATA ON THIS PAGE: Road condition is based on measured pavement roughness using the International...

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

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(Miles)

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

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

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

NOTE FOR DATA ON THIS PAGE: Road...

Michigan Fast Facts 2000

All public roads: 121,979 miles Interstate: 1,241 miles Road bridges: 10,581 Class I railroad trackage: 2,228 miles Public use airports: 228 (22 certificated for air carrier operations)1

Automobiles...

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 Federal...

H - Information on Data Sources

The U.S. Department of Transportation's (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 nation's large...

Acknowledgments

Norman Y. Mineta Secretary

Michael P. Jackson Deputy Secretary

Rick Kowalewski Acting Director

William J. Chang Associate Director for Information Technology

John V. Wells...

Michigan Transportation Profile

2002

Table 7-7: Highway Noise Barriers: 1999

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

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