1. Assistant Professor, Bursa Orhangazi Univ., Mimar Sinan Mah. Mimar Sinan Bulvarı No. 177, Yıldırım/Bursa 16310, Turkey (corresponding author).
2. Professor, Texas Pavement Preservation Center, Univ. of Texas at Austin, Austin, TX 78713; and Izmir Katip Celebi Univ., Izmir, Turkey.
3. Assistant Professor, Bursa Orhangazi Univ., Mimar Sinan Mah. Mimar Sinan Bulvarı No. 177, Yıldırım/Bursa 16310, Turkey.