Gwangju Songjeong ~ Suncheon Single Track Railway (C4)

Gwangju Songjeong ~ Suncheon Single Track Railway(C1)

Gangneung~Jejin Single Track Railway(C1)

Gyeongbu High Speed Railway(Deajeon North Connection) (C1)

Gyeongbu High Speed Railway (Deajeon North Connection) (C2)

Icheon ~ Mungyeong Railway (C6)

Icheon ~ Mungyeong Railway (C8)

Great Train Express (GTX) Samseong ~ Dongtan (C2)

Comprehensive Railway Testbed

Gimpo Metropolitan Rapid Transit (C5)

Jungang Line (Dodam ~ Youngcheon, C2)

Railway Connection between Incheon International Airport Terminal 1 and 2

Boseong ~ Imseongri Railway (C2)

Westcoast Line (Hongseong ~ Songsan C4)

AREX Connection Facility Expansion Construction

Railway Relocation for Yeongju Dam Submerged Districts

Daegok ~ Sosa Railway

Great Train Express (GTX) Suseo ~ Pyeongtaek (C9)

Honam High Speed Railway (C1-2)

Honam High Speed Railway (C1-1)