Acknowledgments

U.S. Department of Transportation

Norman Y. Mineta
Secretary

Bureau of Transportation Statistics

Rick Kowalewski
Deputy Director

William J. Chang
Associate Director for Information Systems

John V. Wells
Chief Economist

Jeremy Wu
Acting Chief Statistician

Produced under the direction of:

Wendell Fletcher
Assistant Director for Transportation Analysis

Project Manager

Kay Drucker

Contributors

Felix Ammah-Tagoe
Jonaki Bose
David Chesser
Martha Courtney
Scott Dennis
Dorinda Edmondson
Marsha Fenn
Chester Ford
Lee Giesbrecht
Alpha Glass
Bruce Goldberg
Xiaoli Han
Getachew Mekonnen
Chip Moore
Long Nguyen
Lorisa Smith
Michael Szustakowski
Peg Young
Jie Zhang