
| Period | Project | Organization |
| 2019.06 ~ 2024.07 | Construction supervision for Great train express, section 4, A line | Korea Rail Network Authority |
| 2018.10 ~ 2026.02 | Construction supervision for Jinjeop line extension train depot, section 2 | Korea Rail Network Authority |
| 2015.05 ~ 2022.12 | Construction supervision for Seohae Line double track construction , section 9, 10 | Construction supervision for Seohae Line double track construction , section 9, 10 |
| 2014.12 ~ 2020.12 | Construction supervision for Donghae line (Pohang ~ Samcheok) railway section 12,13 | Korea Rail Network Authority |
| 2014.12 ~ 2020.12 | Construction supervision for Donghae line (Pohang ~ Samcheok) railway section 8,9 | Korea Rail Network Authority |
| 2015.01 ~ 2021.06 | Construction supervision for Jungang line (Dodam-Yeongcheon), section 5,6 | Korea Rail Network Authority |
| 2015.07 ~ 2021.06 | Construction supervision for Jinjeop line double track construction , sectioin 3,4 | Korea Rail Network Authority |
| 2014.10 ~ 2019.11 | Construction supervision for Dongducheon-Yeoncheon double track | Korea Rail Network Authority |
| 2014.07 ~ 2018.11 | Construction supervision for Gimpo urban railway construction section 4 | Korea Rail Network Authority |
| 2013.10 ~ 2018.02 | Construction supervision for Incheon Airport the 2-nd passenger terminal connecting railway | Korea Rail Network Authority |
| 2011.04 ~2018.05 | Construction supervision for private investment project of Sinbundang line extension | Gyeonggi Railway |
| 2012.09 ~ 2017.04 | Construction supervision for Sungnam-Yeoju Bubal train depot | Korea Rail Network Authority |
| 2011.07 ~ 2020.12 | Construction supervision for metropolitan high speed railway, sectioin 5,6-1 | Korea Rail Network Authority |
| 2011.07 ~ 2017.12 | Construction supervision for metropolitan high speed railway, sectioin 2,3-1 | Korea Rail Network Authority |