1. Assistant Professor, Civil Engineering Dept., Ohio Univ., Athens, OH 45701 (corresponding author).
2. Professor and Director, Highway Sustainability Research Center, Univ. of Massachusetts Dartmouth, Fall River, MA 02723.
3. Associate Professor, School of Electrical Engineering and Computer Science, Ohio Univ., Athens, OH 45701.
4. Research Professor, Center for Advanced Infrastructure and Transportation, Rutgers Univ., Piscataway, NJ 08854.