Acknowledgments

U.S. Department of Transportation

Ray LaHood
Secretary

Research and Innovative Technology Administration

Peter H. Appel
Administrator

Bureau of Transportation Statistics

Steven K. Smith, Ph.D.
Acting Director

Deborah D. Johnson.
Assistant Director,
Office of Transportation Analysis

Project Manager

Long X. Nguyen

Data Collection and Production-MacroSys

David Chesser
Chester Ford
Adam Mengesha
Getachew Mekonnen
Matthew Schultz
Jie Zhang

Contributors

Steven Anderson
Steve Beningo

Editor

William H. Moore

Layout

Alpha Glass Wingfield

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Bureau of Transportation Statistics
U.S. Department of Transportation
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