Environmentally Sustainable Development. 자연과 인간의 공생을 목표로 더욱 노력하겠습니다.


YOOSHIN pursues co-existence between human and nature.

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  • Gyeongbu High-speed Railway
  • Gyeongui Line(The Bridge of Freedom)
  • Gyeongjeon Line
  • Donghae Bukbu Line
  • Seoul Metro Subway Line No. 6(Yuchisan Tunnel)
  • Incheon Urban Railway
  • Magnetic levitation train
  • Han River Railway (bridge section)
  • LRT
  • Gyeongbu High-speed Railway

Since its foundation in 1966, YOOSHIN has participated in numerous railway projects: double-tracking improvement projects for nine arterial railway lines including the Gyeongbu Railway Line and the Honam Railway Line; subway construction projects in 6 large cities; New railway construction projects such as the Donghae Line, the Seongnam-Yeoju Line, the Wonju-Gangreung Line; the Trans-Korean Railway Projects (linking the Gyeongui Railway Line and the Donghae Railway Line), and; LRT projects of 4 lines including the Gimhae Line and the Yongin Line.
YOOSHIN carried out all kinds of services including technical survey, planning, preliminary and detailed design, and construction supervision for the Gyeongbu High-speed Railway Project (opened in 2004) and preliminary and detailed design services for the Honam High-speed Railway Project. More recently, in line with the 『Basic Plan of the 21st Century National Railway Network Development Project』, YOOSHIN also tries to modernize the domestic railway system by providing environment-friendly transport services and developing new lines such as the Donghae Railway Line and the New Ansan Railway Line.

Major Work Areas

  • - Railway (high-speed railway, arterial railway, metro railway)
  • - Urban rail network (subway, LRT)
  • - Track design (railway, urban railway)
  • - Car depot and marshaling yard