KSBJ has successfully developed civil infrastructure in the fields of roads, railroads, subways, bridges, land development, river maintenance and landscaping. With civil works we create new space in nature for the public good and help the national economic growth by providing basic facilities for the society.
Seoul Metropolitan Subway Sinbundang Line
Gwanggyo~Homasil Double Track Rail Section 2
Pyeongtaek~Osong Double Track Rail Section 4·5
Great Train eXpress (GTX) Line C
Daejeon North Branch Line Sector 1·2
Ulsan city Deokha Car Depot
Renovation of Underground Way,
Kyeongbu Line btw. Jochiwon-Bugang
High-speed Railway of Seoul Metropolitan Area
(Suseo-Pyeongtaek, sector 2)
Daejeon Subway Line 1 Section 1-8