Kiyoung Lee(Research Fellow, Korea Expressway Corporation Research Institute, 24, Dongtansunhwan-daero 17 gil, Hwaseong-si, Gyeonggi-do, South Korea)
Corresponding author
Minwoo Lee(Senior Researcher, Korea Expressway Corporation Research Institute, 24, Dongtansunhwan-daero 17 gil, Hwaseong-si, Gyeonggi-do, South Korea.)