Chair
Dr. Robert Maki, Michigan Department of Transportation

Members
Mr. Nadar Ayoub, Texas Highway Products Corporation
Mr. George Butzer, DLZ Corporation
Mr. Raj Ghaman, Federal Highway Administration
Dr. Joseph Hummer, North Carolina State University
Mr. Louis Lipp, Colorado Department of Transportation (retired)
Mr. Warren Tighe, Siemens Gardner Transportation Systems
Mr. Scott Wainwright, Federal Highway Administration
Mr. John Warner, DMJM Arizoza, Inc.

Federal Highway Administration Liaison
Mr. Thomas Granda

TRB Liaison
Mr. Richard Cunard

NCHRP Staff
Mr. Ray Derr