| Construction period | 2001.12.01 ~ 2004.12.31 (Completed) |
|---|---|
| Construction location | San 89-4 Sillim-dong and San 56-117 Bongcheon-dong, Gwanak-gu, Seoul |
| Orderer | Seoul Construction Safety Headquarters |
| Construction outline | Earthwork _ Underground road digging : 172,449 ㎥ _ Transportation truck : 136,922㎥ Structure: Underground road L = 1,005M (4 lanes) |
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