Acknowledgments

U.S. Department of Transportation

Norman Y. Mineta
Secretary

Maria Cino
Deputy Secretary

Research and Innovative Technology Administration

Eric C. Peterson
Deputy Administrator

Bureau of Transportation Statistics

Rick Kowalewski
Deputy Director

William J. Chang
Associate Director for Information Systems

Mary J. Hutzler
Associate Director for Statistical Programs

William Bannister
Assistant Director for Advanced Studies

Wendell Fletcher
Assistant Director for Transportation Analysis

Project Manager
Bruce Goldberg

Major Contributors
Carol Brandt
Derald Dudley
Michele Janis
Steve Lewis
Amanda Moritz
Christopher Thomas
Jose Vargas
Joseph Workman

Editor
William Moore

Report Layout and Cover Design
Dorinda Edmondson