USA Banner

Official US Government Icon

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure Site Icon

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

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

General

Legacy ID
201
Subscribe to RSS

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 Chapter 3 Transportation and the Economy

TABLE 3-1 & 3-2. U.S. Gross Domestic Product Attributed to For-Hire Transportation Services (Current and chained 2005 dollars)

TABLE 3-3 & 3-4. U.S. Gross Domestic Product...

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 by Mode

TABLE 2-7. Transportation-...

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 E - Data Source and Accuracy Statements

Appendix E - Data Source and Accuracy Statements Chapter 4 Energy and the Environment Table A Average Response Rates for Monthly Surveys, 1998 Survey Site Average universe site Average number of respondents Percent...

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...

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 facilities and...

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) selected from...