General

Legacy ID

201

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

Excel | CSV | Graphic Version

(Miles)

Interstate Other Freeways & Expressways Other Principal Arterial Urban Minor Arterial Urban Collector Total 147 0 631 85 5 Very good...

Figure 1-2: Urban Road Conditions in Iowa: 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...

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

Excel | CSV | Graphic Version

(Miles)

Interstate Other Principal Arterial Minor Arterial Major Collector Total 635 3,345 3,584 911 Very good 67 369 817 84 Good 281...

Figure 1-1: Rural Road Conditions in Iowa: 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...

Iowa Fast Facts 2000

Iowa Fast Facts 2000 Transportation System Extent

All public roads: 113,377 milesInterstate: 782 milesRoad bridges: 24,632Class I railroad trackage: 2,431 milesInland waterways: 492 milesPublic use airports: 122 (10 certificated for air carrier operations)1

Vehicles and Conveyances...

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...