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(Miles)
Interstate Other Principal Arterial Minor Arterial Major Collector Total 600 2,083 3,691 700 Very good 229 522 499 44 Good...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...
All public roads: 94,311 milesInterstate: 906 milesRoad bridges: 15,635Class I railroad trackage: 3,149 milesInland waterways: 1,270 milesPublic use airports: 96 (10...
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...
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...
Norman Y. Mineta Secretary
Michael P. Jackson Deputy Secretary
Bureau of Transportation StatisticsRick Kowalewski Deputy Director
William J. Chang Associate Director for Information...
2002
Table of Contents File Formats Entire Report PDF (1.65MB) ...The terrorist attacks of September 11, 2001, had an immediate and visible impact on U.S. transportation. While the obvious impacts were temporary, there may have been less obvious yet longer lasting changes in U.S. travel patterns. The Research and Innovative Technology...
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Monthly average pre-9/11 period (Mar. 2001-Sept. 11 2001) Monthly average post-9/11 period (Sept. 12, 2001 - May 2002) Percent change Vehicle Miles Traveled ...(Billions)
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SOURCE: U.S. Department of Transportation, Research and Innovative Technology Administration, Bureau of Transportation Statistics.