1. Department of Civil, Construction, and Environmental Engineering, North Carolina State University, Campus Box 7908, Raleigh, NC 27695-7908.
2. Center for Advanced Infrastructure and Transportation, Rutgers University, 100 Brett Road, Piscataway, NJ 08854.
3. Department of Civil Engineering, University of New Hampshire, W183 B Kingsbury Hall, 33 Academic Way, Durham, NH 03824.