1. Visiting Scholar, Dept. of Civil, Environmental, and Construction Engineering, Univ. of Central Florida, 12800 Pegasus Dr., Suite 211, Orlando, FL 32816; Civil Engineer, West Nippon Expressway Company Limited (NEXCO-West), Dojima Avanza 19F, 1-6-20 Dojima, Kita-ku, Osaka 530-0003, Japan.
2. Professor, Dept. of Civil, Environmental, and Construction Engineering, Univ. of Central Florida, 12800 Pegasus Dr., Suite 211, Orlando, FL 32816 (corresponding author).
3. President and CEO, NEXCO-West USA Inc. 8300, Boone Blvd., Suite 240, Vienna, VA 22182.
4. Formerly, President and CEO, NEXCO-West USA Inc. 8300, Boone Blvd., Suite 240, Vienna, VA 22182.