Dr. Choongheon Yang is a Research Fellow in the Road and Transportation Research Division at the Korea Institute of Civil Engineering and Building Technology (KICT), a position he has held since 2009. His work at KICT significantly contributes to national road and transportation research. Dr. Yang completed his Ph.D. in Civil Engineering at the University of California, Irvine, USA, in 2008. Prior to this, he earned both his Master of Science (2002) and Bachelor of Science (2000) degrees in Transportation Engineering from Myongji University, South Korea. His primary research interests are focused on enhancing road safety, developing advanced methods for road management, and exploring innovative solutions for underground roads. Through his extensive academic background and practical experience, Dr. Yang continues to drive significant advancements in the transportation sector.