TRA-1720 is a professor of civil engineering at an Arizona university, where he has taught since 1984. He is also a consultant to the U.S. Department of Transportation. He has performed research on pavement maintenance for the Federal Highway Administration, on vehicle-pavement interaction for the Arizona Department of Transportation, and on asphalt for the Indiana State Highway Commission. TRA-1720s many papers on transportation engineering have appeared in the Journal of Transportation Engineering and ASTM Journal of Testing and Evaluation.
Ph.D., Transportation Engineering (Pavement and Materials), Purdue University
M.S., Civil Engineering, Purdue University
B.S., Civil Engineering, Cairo University