1. Assistant Professor, Faculty of Civil Engineering, Univ. of Science and Technology of Mazandaran, P.O. Box 48518-78195, Behshahr, Iran (corresponding author).
2. Assistant Professor, Dept. of Civil Engineering, Faculty of Engineering, Malard Branch, Islamic Azad Univ., Malard, P.O. Box 53174-31691, Tehran, Iran.
3. Asphalt Research Engineer, Dept. of Transportation and Development, Louisiana Transportation Research Center, Baton Rouge, LA 70808.
4. Ph.D. Candidate, Dept. of Civil–Transportation Planning, Faculty of Technical and Engineering, Imam Khomeini International Univ., P.O. Box 34148-96818, Qazvin, Iran.
5. Dept. of Civil Engineering, Faculty of Technical and Engineering, Mashhad Branch, Islamic Azad Univ., P.O. Box 91735-413, Mashhad, Iran.