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U.S. Department of Transportation U.S. Department of Transportation Icon United States Department of Transportation United States Department of Transportation

General

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Appendix E Data Source and Accuracy Statements

Appendix E Data Source and Accuracy Statements Chapter 4 Energy and the Environment PETROLEUM SUPPLY

TABLE 4-1. Overview of U.S. Petroleum Production, Imports, Exports, and Consumption

The petroleum supply system is extremely complicated, with many different processes,...

Appendix E Data Source and Accuracy Statements

Appendix E Data Source and Accuracy Statements Box 3-1. U.S. Census Bureau and Federal Highway Administration calculations of state and local transportation financial statistics differ in the following ways: Item Census FHWA Motor fuel tax revenues Includes state and local tax revenues...

Appendix E Data Source and Accuracy Statements

Appendix E Data Source and Accuracy Statements Chapter 3 Transportation and the Economy

TABLE 3-1a & 3-1b. U.S. Gross Domestic Product Attributed to For-Hire Transportation Services (Current and chained 1996 dollars)

TABLE 3-2a & 3-2b. U.S. Gross Domestic Product...

Appendix E Data Source and Accuracy Statements

Appendix E Data Source and Accuracy Statements Box 2-1. Cross-Modal Comparisons

Caution must be exercised in comparing fatalities (and injuries) across modes because different definitions for reportable events are used among the modes. In particular, rail and transit...

Appendix E Data Source and Accuracy Statements

Appendix E Data Source and Accuracy Statements Chapter 2 Safety AIR DATA

TABLE 2-1. Transportation Fatalities by Mode

TABLE 2-2. Injured Persons by Transportation Mode

TABLE 2-3. Transportation Accidents by Mode

TABLE 2-4. Distribution of Transportation Fatalities...

Appendix E Data Source and Accuracy Statements

Appendix E Data Source and Accuracy Statements Box 1-1. Highway Performance Monitoring System

Sampling Frame Construction

The Highway Performance Monitoring System (HPMS) sample is a stratified simple random sample of highway links (small sections of roadway)...

Appendix E Data Source and Accuracy Statements

Appendix E Data Source and Accuracy Statements Chapter 1 Extent, Condition, and Performance

TABLE 1-1. System Mileage Within the United States

Highway

The Highway Performance Monitoring System (HPMS) is the source of road mileage data and is considered reliable. (See...

Appendix C List of Acronyms and Initialisms

Appendix C List of Acronyms and Initialisms

AAA American Automobile Association

AADT Annual Average Daily Traffic

AAMA American Automobile Manufacturers Association

AAR Association of American Railroads

AAS Air Activity Statistics of Certificated Air...

Appendix B Glossary

Appendix B Glossary

14 CFR 121 (Air): Code of Federal Regulations, Title 14, part 121. Prescribes rules governing the operation of domestic, flag, and supplemental air carriers and commercial operators of large aircraft.

14 CFR 135 (Air): Code of Federal Regulations, Title 14, part...

National Transportation Statistics 2009

National Transportation Statistics

National Transportation Statistics presents statistics on the U.S. transportation system, including its physical components, safety record, economic performance, the human and natural environment, and national security.  This is a large online document...