1. Founder Professor of Engineering, Director, Advanced Transportation Research and Engineering Laboratory, Univ. of Illinois at Urbana-Champaign, IL 61801 (corresponding author).
2. Senior Researcher, Korea Institute of Construction Technology, 2311 Daewha, Ilsan, Goyang, 411-712 Gyeonggi-Do, Korea.
3. Assistant Professor, Dept. of Civil and Environmental Engineering, Louisiana State Univ., Baton Rouge, LA 70803.
4. Manager, Michelin Americas Research & Development Corp., Greensville, SC 29605.