Education
Doctor of Philosophy, Texas Agricultural and Mechanical University, College Station.
Doctor of Philosophy, Texas Agricultural and Mechanical University, College Station.
Researcher Pennsylvania Transportation Institute, State College, 1992—1995. Division head Texas Transportation Institute, College Station, since 1996. Chair Astm D04.38-TG07, Conshohoken, since 2006.
Chair community Transportation Research Board, Washington, 2003—2010. Member of Institute Transportation Engineers (student president 1992-1993).
Married Kim Howard.