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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

Legacy ID
201

Chapter 3 - Transportation System Condition and Extent

Chapter 3 - Transportation System Condition and Extent Introduction

The U.S. transportation system makes possible a high level of personal mobility and freight activity for the nation's 284 million residents and nearly 7 million business establishments. In 2000, over 230 million motor...

Chapter 4 - Mobility and Access to Transportation

Chapter 4 - Mobility and Access to Transportation Introduction

Transportation exists to help people and businesses overcome the distance between places (e.g., work and home, factory and store, store and home). Two concepts, mobility and accessibility, are most often used to measure the...

Emissions of Greenhouse Gases - Box

Emissions of Greenhouse Gases - Box EPA and EIA Data Differ

Both the Energy Information Administration (EIA) and the U.S. Environmental Protection Agency (EPA) estimate annual U.S. greenhouse gas (GHG) emissions. EPA's data are the official inventory for the United States for reporting...