U.S. Department of Transportation

Anthony Foxx
Secretary

Victor Mendez
Acting 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 J. Sprung
Assistant Director for Transportation Analysis

Project Manager
Jenny Guarino

Major Contributors
Steven Beningo
Dominic Menegus

Other Contributors
Matthew Chambers
Theresa Firestine
Sean Jahanmir
Li Leung
Mindy Liu
Julie Parker
Joy Sharp
David Smallen
Kenneth Steve

Editor
William H. Moore

Layout and Design
Alpha E. Wingfield