Seoul Metro Line.9 Phase.3 Lot No.921

Improvement of transportation convenience: It takes only 50 minutes from Gimpo Int'l Airport Station to Olympic Park Station

The 9.14 km section of the Seoul Metro Line 9's Phase 3 construction works (Asian Game Village in Jamsil-dong, Songpa-gu to VHS Medical Center in Dunchon-dong, Gangdong-gu) was divided into two sections: the construction works for section 1 with an extension of 5.94 km (Asian Game Village in Jamsil-dong to Olympic Park Station (Subway Line 5)) were commenced on December 31, 2009; section 2 with an extension of 3.2 km (Olympic Park Station (Subway Line 5) to VHS Medical Center in Dunchon-dong) were commenced in late September, 2010.

 For the phase 3 project, POSCO E&C worked on Zone 921, which is an extension of 1,710 m (Main Line: 1,380 m; two stations: 330 m, three ventilation systems) from Bangi-dong (Olympic Park South Gate 4) to Olympic Park Station (Korea National Sport University). 

Through this project, Sports Complex Station in Songpa-gu and VHS Medical Center in Gangdong-gu were connected, shortening the travel time between Gimpo International Airport Station and Olympic Park Station to only 50 minutes. As a result, citizens’ convenience of travel between the eastern and western parts of Seoul has been considerably improved. 

It contributed to establishing the “golden line” running from Gangseo-gu through the key business districts of Yeouido and Gangnam to Gangdong-gu.

  • Period
    Period
    2009.12 - 2018.12
  • Place of order
    Place of order
    Seoul Urban Infrastructure
  • Construction details
    Construction details
    Olympic Park South Gate 4–Olympic Park Station

    Extension: 1,742 m (excavation 382 m; shield TBM 1,274 m; NATM 86 m)

    2 stations, 3 vents, 1 set each for building, electrical installation, and communication service
  • Location
    Location
    Seoul, Republic of Korea

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