1. Professor, Dept. of Civil Engineering, National Taiwan Univ., 1, Sec. 4, Roosevelt Rd., Taipei 10617, Taiwan (corresponding author).
2. Associate Researcher, Pavement Profiler Certification Center, Dept. of Civil Engineering, National Taiwan Univ., 1, Sec. 4, Roosevelt Rd., Taipei 10617, Taiwan.
3. Ph.D. Candidate, Dept. of Civil Engineering, National Taiwan Univ., 1, Sec. 4, Roosevelt Rd., Taipei 10617, Taiwan.