Acknowledgments

U.S. Department of Transportation

Mary E. Peters
Secretary

Thomas J. Barrett
Deputy Secretary (Acting)

Research and Innovative Technology Administration

John Bobo
Administrator (Acting)

Bureau of Transportation Statistics

Steven D. Dillingham
Director

Produced under the direction of:

Wendell Fletcher
Assistant Director for Transportation Analysis

Project Manager

Long X. Nguyen

Data Collection

Battelle:
Sharon Kim
Mark Lepofsky
Brian Oh

Contributors

Felix Ammah-Tagoe
David Chesser
Scott Dennis
Xiaoli Han
Getachew Mekonnen
Michael Sprung
Jie Zhang

Editor

William H. Moore

Cover Design

Alpha Glass Wingfield

Our mission: To lead in developing transportation data and information of high quality and to advance their effective use in both public and private transportation decisionmaking.

Our vision for the future: Data and information of high quality supporting every significant transportation policy decision, thus advancing the quality of life and the economic well-being of all Americans.

All material contained in this report is in the public domain and may be used and reprinted without special permission; source citation is required.

Recommended citation

U.S. Department of Transportation
Research and Innovative Technology Administration
Bureau of Transportation Statistics
National Transportation Statistics
http://www.bts.gov/publications/national_transportation_statistics/ as of 04/12/2007.

NTS is a web-only report, however print copies of other BTS products may be obtained via the following contacts:

Product Orders
Bureau of Transportation Statistics
Research and Innovative Technology Administration
U.S. Department of Transportation
400 7th St., SW, K-15
Washington, DC 20590

Internet: www.bts.gov

Phone: 202-366-DATA
Fax: 202-366-3197

Information Service
answers@bts.gov
1-800-853-1351