General

Legacy ID

201

Preface

Statistics published in this Pocket Guide to Transportation come from many different sources. Some statistics are based on samples and are subject to sampling variability. Statistics may also be subject to omissions and errors in reporting, recording, and processing.

Introduction

America's transportation system has changed along with the nation's society and economy. The following table puts those changes in perspective:

Excel | CSV Characteristic 1970 1999 Resident population (thous.) 203,984 272,691 Total area (thous....

Glossary

Air carrier - Certificated provider of scheduled and nonscheduled services.

Class I railroad - A freight railroad with an annual gross operating revenue in excess of $250 million (based on 1991 dollars).

Commuter rail - Urban/suburban passenger train service for...

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Figure 9 - Index of Key Air Pollutant Emissions from U.S. Transportation: 1970-98 Skip to content

Figure 9 Index of Key Air Pollutant Emissions from U.S. Transportation: 1970-98 Index: 1970 = 1.0, 1990 = 1.0 for PM-2.5

Key: NOx = oxides of nitrogen; PM-10...

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Figure 8 - U.S. Carbon Dioxide Emissions from Energy Use: 1980-99 Skip to content

Figure 8 U.S. Carbon Dioxide Emissions from Energy Use: 1980-99 Million metric tons of carbon

Note: One ton of carbon equals 3.667 tons of carbon dioxide gas. Electric...

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Figure 7 - Transportation's Share of U.S. Petroleum Use: 1950-99 Skip to content

Figure 7 Transportation's Share of U.S. Petroleum Use: 1950-99 Million barrels per day

Note: 1998 and 1999 data are estimates.

Source: U.S. Department...

5 - Transportation, Energy, and the Environment

Serious energy and environmental issues are associated with transportation. The U.S . transportation sector remains almost entirely dependent on petroleum as an energy source and more than 50 percent of the petroleum used in the United States...

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Figure 5 - Average Household Expenditures by Major Category: 1998 Skip to content

Figure 5 Average Household Expenditures by Major Category: 1998 (In 1998 dollars)

Source: U.S. Department of Labor, Bureau of Labor Statistics, Consumer Expenditure...

4 - Transportation and the Economy

Transportation is a major sector of the U.S. economy. It moves people and goods, employs millions of workers, generates revenue, and consumes resources and services produced by other sectors of the economy. In 1999, transportation-related goods and...

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Figure 3 - Households by Number of Vehicles Skip to content

Figure 3 Households by Number of Vehicles

Sources: U.S. Department of Transportation (USDOT), Federal Highway Administration, Nationwide Personal Transportation Survey, Our Nation's...

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General