
| Period | Project | Organization |
| 2018.05 ~ 2019.12 | oseong~Imseong-ri electric railway (Gangjin~Imseong-ri) detailed track design | Korea Rail Network Authority |
| 2019.03 ~ 2019.08 | Design supervision for Great train express detailed track design, A line | Korea Rail Network Authority |
| 2015.05 ~ 2015.11 | Preliminary feasibility and general plan for construction of Indeogwon~Suwon railway | CHEIL Engineering |
| 2014.09 ~2015.11 | Design for garage scale readjustment of Seongnam~Yeoju train base construction | POSCO E&C |
| 2016.05 ~ 2017.11 | Construction project for urban railway of Abidjan in Cote d'Ivoire | HYUNDAI ROTEM |
| 2012.08 ~ 2012.11 | Construction of connecting railway in Incheon International Airport second passenger terminal (T/K) | Daelim Industrial Co., Ltd |
| 2013.01 ~ 2013.03 | Basic & detailed design for double track electric railway of Dodam-Yeongcheon, section 1 | HYUNDAI E&C |
| 2015.05 ~ 2016.04 | Basic & detailed Design for Byeolnae line double track construction, section 6(T/K) | KDC |
| 2015.07 ~2016.07 | Ulsan~Pohang double track electric raliway Ulsan~Sin-gyeongju detailed track design | Korea Rail Network Authority |