U.S. Department of Transportation

Anthony Foxx
Secretary

Victor Mendez
Deputy Secretary

Gregory Winfree
Assistant Secretary for Research and Technology

Bureau of Transportation Statistics

Patricia Hu
Director

Rolf Schmitt
Deputy Director

Produced under the direction of:

Michael Sprung
Assistant Director for Transportation Analysis

Mindy Liu
Project Manager

William Moore
Editor

Alpha Wingfield
Visual Information Specialist

Contributors:

Steve Beningo
Sean Jahanmir
Long Nguyen